How to tell if dual mass flywheel is faulty


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How to tell if dual mass flywheel is faulty

Oct 01, 2005 · Flywheel R&R Replacing a dual-mass flywheel may involve some extra work depending on the application. As it turned out the spring had not only broken, but had partially dislodged from the spring cup with only a 5mm gap between the tyre and the sharp edge of the broken spring. 9 TDI, 03 plate that has done about 27k miles, went in for the safety recall for Dual mass flywheel about 1 month later broke down with loss of power (Wouldn't turnover), took it into Ford Garage and they couldn't get it to turnover, they changed They have told me they believe it is a faulty dual mass flywheel and this is a known problem on the A Class, but my car is not within the batch of serial numbers supposedly affected so they have to contact Mercedes HQ for guidance on whether to replace it. and the wiring are the possible all the faulty parts. Subaru in Hobart tell me my clutch and flywheel are completely shot and need replacing, but wont cover it under warranty. Jul 11, 2008 · For thos interested in the dual-mass flywheel problem on the manual 2. Jan 15, 2014 · Help! - faulty dual mass flywheel at 90,000 mls! Sign in to follow this . How to know the difference if my dual mass flywheel has failed or if my clutch is failing. The flywheel ensures that the gears of a manual vehicle are functioning properly as the driver is using the clutch. 0D DOHC 4JX1 CAN''T START AFTER REPLACING FLYWHEEL Three weeks ago I replaced the faulty dual mass flywheel with a second hand but working one + Diesel and oil filters for engine you need to set the timing to top dead centre and the flywheel has a little knotch in it set that at 6 oclock will start then Nov 05, 2012 · My car has a failing Dual Mass Flywheel, and my mechanic has said it needs replacing badly (just had a full service). Top 5 Bad Flywheel Symptoms #1 –Gears Slipping. The 1. 2) Last main beaing began to wear excessively causing more imbalance and movement in end of crank. Dual mass flywheel is used to absorb vibrations on low rpm. This noise coming from the engine and transmission area can be a big issue. symptoms of dual mass flywheel failure Depends where you get it done and who you know. Dual Mass Flywheel. A dual mass flywheel is designed to absorb torque reactions. Best Answer: DMF are normally used with diesel engines. This can happen a number of times until the motor won’t start. If it's a dual-mass flyheel, it should be obvious if there is a fault, as it will rattle! If there is a fault with the ring gear, it should also be obvious (noisy starter engagement or slipping) & can be checked with the car on a ramp. It is recommended by many technicians that dual mass flywheels are replaced at every clutch change. Dual mass flywheel verse Single mass flywheel. Convert from a Dual Mass Flywheel to a Single Mass Flywheel. Dual Mass Fly Wheel symptoms??? – 25-05-2012, 10:15 PM Hi I've finally come to the conclusion that my flywheel is on its way out but thought I'd seek some valuable advice from you guys who are in the know. If you want to know about dual mass flywheels check out this LUK video. Diagnosis. If the ring gear is a band shrunk onto the flywheel, it may have become loose, in which case a replacement flywheel is needed. Ford Transit Common Problems Solutions Hints and Tips. Therefore, checking the dual-mass flywheel should always start with excluding other causes in the area of the flywheel first. The power from the pistons tends to be created in “pulses” and the weight of the flywheel smoothes out these pulses by providing inertia to the rotating engine. If I had it as a track car it would be fine, but for me the noise at low revs was annoying and the missus then didnt like driving the car if I ever needed her to. This is the first of these my father or myself have seen. Each dual mass flywheel is designed keeping in mind the number of shifts it can handle in its lifetime, if it exceeds that, then it fails. A new dual mass flywheel from Nissan is $2200. It provides excellent filtering at very low rpm on downspeeded engines and can be used in new turbo gasoline or diesel engines with our electric Supercharger. The downside, of course, is the cost, as replacement DMFs are generally much more expensive that single mass flywheel conversion kits (if a conversion kit is available, of course). my car is a mk4 115bk. Dual mass flywheel noise is very apparent during idling, sounds very bad, as far as im aware there hasnt been that many flywheel cases in the 2. A. If you are lucky the plates jam together. BMW 320D e46 – Dual Mass Flywheel Motors. Posted by murmini Sun, 01 Apr 2007 15:44:18 GMT I recently suffered an intermittent rattling noise coming from the clutch assembly in the front, drivers side of the car and was fairly certain that it was the release bearing as it would disappear as soon as you depressed the clutch. Telltale signs can occur if drivers let the clutch slip for too long or the release system is faulty. Dual mass designs are simply the best choice for most drivers since they are the most forgiving in design. Going to a non dual mass will make the gear rattle louder, but it will NOT damage anything. The mechanism is made to allow movement in one direction only as the clutch plate wears and it has a ratchet and pawl setup . i know the flywheel would cause damage to clutch  If you want to know what are some of the sure symptoms of a worn out or damaged dual mass flywheel read our article and find out. A dual-mass flywheel is a two-part unit. Main dealer, I bet £1200 ish. If the rattle doesn't go away when the engine warms, the flywheel may have failed. You know there's a problem with the drivetrain, you' re just not sure what. However, they will only replace it when it fails. With a dual mass flywheel one can cruise at low rpm, if you were to replace it with a single mass flywheel you couldn't cruise at the same low rpm or you would cause wear to all drivetrain parts. 0-litre Ford Focus after 51,000 miles. 21. The Dual-Mass flywheel inherently reduces some of this noise as it will absorb some of the torsional vibration. Still, excessive clutch slip can put undue stress on the dual-mass flywheel and reduce its operating life. 000 miles so you may not be on borrowed time. Solution: Replacement flywheels can be expensive but you can save money on a used quality second-hand flywheel with us. We address the special installation instructions for replacement self-adjusting clutches, show you the actual wear and faults in the dual-mass flywheel and finally, install a full UUC lightweight Flywheel and Performance Clutch. A dual-mass flywheel (DMF) is a rotating mechanical device that is used to provide continuous These should be measured to determine whether the flywheel is serviceable. • Air in the hydraulic . i'll keep you posted on what they say should be 2day or 2mo. Firstly a DMF flywheel or more correctly a dual mass flywheel has two sections which are sprung together. NOTE Although it is possible to assemble the clutch disc with either side facing the flywheel surface, only the assembly of these two parts shown in this bulletin is correct. Hi, need a new flywheel on 2002 Focus TDCi 1. 6tdi, I can tell you that it is common for clutch not to do many kms. It has two components rather than the traditional one part, in an attempt to make diesel gear changes more smooth and similar to petrol engined cars. I have upgraded from a vauxhall , (yes i know BIG upgrade) the clutch on the avensis is very stiff, feels like i'm going to end up bigger quad and calve muscles than my right leg. If the flywheel of your vehicle starts going bad, there are a few easily recognizable symptoms that you can watch out for. TDI 101. Oct 23, 2008 · Honest John answers your questions about failing dual-mass flywheels, gearbox bearing failure and broken suspension springs. To check for smooth operation pull off in first gear and then immediately decelerate. Apr 22, 2017 · Some common faults that plagued the first of the Trails. ignition system), carbonized injection elements, etc. Dual Mass Flywheel (DMF) Movement. in the same boat as you mate!!!! need a new clutch and maybe a new dual mass flywheel. The test tool allows you to easily check a run-in dual-mass flywheel (DMF) that is fitted to the vehicle or has been removed. Dual- mass flywheel section. As an owner of a 1. If the dual mass flywheel has failed, the only solution is to replace the flywheel. The solution is to fit a new blower motor resistor and wiring loom. It is a form of fly wheel fitted to Mondeo diesels. Dual, Mass, Flywheel, Judder If a mount is faulty, you will see some severe movement in the engine (even while sat in the drivers seat) in either 1st or reverse Demono DMF stands for dual mass flywheel. I have fitted a few on transits with no ill effects up to now they are certainly cheaper and the ford dmf seems to be failing at 60k miles. Aug 15, 2015 · 1. It's perfectly normal for the engine to flex by less than an inch. This bulletin provides information about how to assemble these components. so does that mean i have to run a dualmass flywheel? Apr 06, 2012 · The dual mass set-up is to help quieten some of the gear rattle on the ZF trans. Dual mass flywheel Valeo’s Dual Mass Flywheel improves comfort compared to a conventional Dual Mass Flywheel. I have only owned the car for 7 months, and is under warranty - the DMF is covered fortunately. 20. I know the flywheel would cause damage to clutch aswell, but Vauxhall said they will strip it down if its clutch my warranty wont cover if it is flywheel they will. good luck #3. Your friend is right that a car with a badly damaged flywheel won't run right, but one missing even all of the starter teeth will drive with no noticeable difference. Unfortunately, took so called 'expert' advice to my detriment today, and if did it over, would replace the dual mass with Nissan replacement dual mass flywheel, despite the exhorbitant cost. The most common symptom of a bad dual mass flywheel is gear slippage owing to Other symptoms include a chattering or rattling noise when the clutch is engaged and a   Valeo brings the Long Travel Damper (LTD) to dual mass flywheels (DMF), and can resist to very high stress during wide angle compression when filtering. Solid flywheels only need replacing if the clutch has been slipping due to wear and has damaged the face. now if the DMF was found to be faulty Dec 22, 2011 · I have just had to replace a dual mass flywheel on my 2. You can see the problem clearly on it. Here’s how to tell if your dual mass flywheel is faulty. Replacement: If your vehicle has remained completely stock and you've driven over 100,000 miles on the original components, Dual Mass Flywheel Fault Hi All Most concerned I’ve taken my 57 plate JTD 150 multijet in to the Fiat dealership for thrust bearing noise and in my opinion a noisy Dual Mass Flywheel the vehicles only covered 21000 of careful driving but it has been confirmed as this is faulty , to be replaced under 3rd year warranty. Dual mass flywheels what they are for and how they work One of the major issues all the manufacturers have is the dual mass flywheel (DMF) which seems to need to be replaced every time that you need a clutch and that puts the price of clutch replacement up to around £1000 which on a car that has probably done in excess of 100,000 miles will Mar 28, 2012 · Owner stuck with £1,700 bill after dual-mass flywheel breaks four times in four years Everyone expects perishable parts like brake pads to wear out. May 14, 2009 · hmm yes i know to me it sounds like i belt tensioner or something, but the silly thing is when i took a trip to my local specialist the flipping car started to behave itself and i couldnt show him the problem,you guys know what it might be, i do understand its hard to tell but if u could point me the right direction it would be a great help Oct 07, 2013 · Most modern cars use a dual-mass flywheel. Some of the issues due to failure of dual mass flywheel include the following: Porsche 911 Engine is Leaking from the Rear Main Seal Also called Porsche 911 flywheel, the rear main seal can spring a leak. The smaller flywheel engages the larger one via a set of springs. 4 TDCi with its 8v and lower power would probably have a SMF and the higher power Citroen/Peugeot 16v 1. Dual mass flywheels - signs of failure? but can you tell if a DMF is on the way out? an one with a normal flywheel. Aug 15, 2015 · A car flywheel, simply put, is a mechanical device that can store rotational energy that can produce high power pulses once the car is started. If the clutch does not use a sprunbg hub, it will in turn, tranmit virtually all that torsional vibration into the gears. Any jerking or hesitation means a faulty flywheel. To do this you need to rotate the DMF clockwise until you feel the spring. At idle, the worn gears and/or bearings can rattle with the engine power pulses. Identify the clutch disc flange side and the collar side as shown. 26 Feb 2019 If the flywheel of your vehicle starts going bad, there are a few easily A slight delay in clutch engagement or soft clutch pedal are signs of  Dual Mass Flywheels are in-stock and available for all makes. Apr 19, 2007 · They are suggesting the flywheel needs replacement becuse the tolerance is out on the amount of slack between the two plates. Once the work is completed, ensure that the clutch works correctly and that the gears can be selected easily from a standstill. New crankshaft bolts should also be used, and a pilot bushing. - Everything you want to know about Dual Mass Flywheel “Can I . You know there’s a problem with the drivetrain, you’re just not sure what. Spoke to luke about the dreaded juddering dual mass and it was agreed the best route to go down was a new dual mass, and power spec clutch to compliment my mapped td5 Fitted the whole kit including new push Rod and extreme spec bearing done on my drive along with a bit of advice from luke who was happy to help all the way through the job All in Clutch and dual mass flywheel repair and replacement in York. Despite what everyone tells you after replacing their dmf with a solid one, there IS a BIG difference in drivability of the car with solid flywheel. can damage the newly installed clutch. 2. They wouldnt be able to tell the difference. 45 completed when damage to the clutch needs to be rectified. It appears that the problem is caused by the dual mass flywheel on this vehicle. But what about key engine components, like the Nov 29, 2016 · Anyway, I know that some of the engines are fitted with a single mass flywheel and some with a dual mass flywheel, I am guessing as the Ford 1. Symptoms to look out for are a massive vibration when trying to start the car coupled with a metallic squeak. If you can change a clutch, you can change a dual mass flywheel. You can either fit a modified single mass flyhwheel, or a modified dual mass. The Nissan will randomly stall, flick the check engine light on and in most cases will start again. Don't do this more than neccesary as you really will knacker your clutch. Dec 20, 2013 · I Know luc now do a ss flywheel to replace most dmf as they appear to have been failing at high miles. 1. Aug 16, 2011 · If you want the job done properly you want to get whoever does it to check the crankshaft end float and if necessary replace the main bearings as if they are worn then your replacement dual mass flywheel could be destroyed in a very short time. Faults with the mixture formation (e. It depends on the gearbox strength in the main. (August 2018) (Learn how and when to remove this template message). edit The Dual Mass Flywheel. This usually happens when a car or truck is forced to carry loads that are too heavy. One of the major indicators of a bad car flywheel is a burning smell, like that of burnt toast. Dual mass flywheels are mostly on diesels, to dampen the vibration and harsh clutch take-up. Aug 09, 2012 · No one can tell you how long either of them will last, however, if the release bearing goes then you should lose nothing more than clutch operation, but if the DMF goes properly then you could lose a lot more. When a clutch is changed, it is important to test the free play in the arc springs that are within the DMF. Finally 22. you probably can't see it with your eyes or feel it with your hands, but there will always be some wear on the flywheel. This pressure plate will be removed, along with the clutch disc and the flywheel. These are prone to shuddering and are never as smooth as the traditional single mass units. A failing dual mass flywheel will also make the clutch feel odd as if it has a double bite. RPMs are too high: Often, you can diagnose clutch problems in a manual transmission by hitting the road. i gt my whole thing for £200 approx, which includes the clutch kit AND the DMF from euro car parts. From what I can tell that is the only replacement for a DSG and is If you notice that there is a pulsing movement when you put your foot on the clutch you could have a faulty dual mass flywheel. 00 plus tax, aftermarket $1350. can be identified using a diagnostic unit (e. If the flywheel is being replaced, don't forget to wash off the rust inhibitor coating before it is installed. Clutch. Hi, Been hearing a grinding kind of noise for a while when I release my clutch but it’s nothing major and gear shifting or anything else has not been effected. A soft pedal and/or delay in engagement after the clutch releases are the most recognizable signs of gear slippage. To fulfil these expectations, the Clutch cable is defective/worn. I have a few of questions. Sep 27, 2011 · How To Tell If A Dual Mass Flywheel Is "broken" Thread starter Bryan; Start date I know the flywheel and clutch had covered around 20-25k before being removed so Make sure the dual mass flywheel and overrunning alternator pulley function properly. It IS POSSIBLE WITH SOME VEHICLES TO SWAP OUT THE DUAL MASS FOR A SINGLE FIXED MASS FLYWHEEL. A worn and defective D. 5lt variants although i cud be wrong, would check tyres and pressures first easiest and cheapest option, there could b a chunk out of one of ur tyres, does the vibration go when you go over 45mph? any lack of power? in one particular gear? If I replace the flywheel, I would probably stay with a dual mass, even though it's horribly expensive. The wear limit specifications can be found in  The Dual Mass Flywheel (DMF) – Design and Function. Often, as you try to change gears while driving, the gears may slip. the easiest way to diagnose a faulty dual mass flywheel is to pull back the clutch fork boot and try to lever the pressure plate back and forth. 3) Imbalance at high RPM caused crank flex leading to the flywheel/clutch assembly contacting the gearbox bellhousing. F. It’s nearly always a faulty crank angle sensor. A lot of this occurs at low engine revs and so engine start and shutdown are some of the roughest times for a diesel engine. Although i wouldnt recomend fitting one. This is down to metal fragments off the wearing flywheel falling into the bell housing of the starter motor which in turn will cause the starter motor to slip/spin whilst trying to turn the car over. Nov 05, 2010 · Answers. Here's how to tell if your dual mass flywheel is faulty. Aug 01, 2012 · BMW Clutch & Flywheel Repair. Am keen on single mass as it seems a lot cheaper but have read both good How to diagnose a bad DMF. Clutch disengages too quickly: If you push down on the clutch pedal, and it doesn’t take much to disengage it, then it’s probably slipping. starter ring gears 29 11 F. (Actually, I think that dual mass flywheels may be a common problem in modern diesels generally. Sometimes a manufacturing defect in material or assembly can cause a failure in the dual mass flywheel. The dual mass flywheel can be machined for around $80 using a special jig, but the problem with this is because the flywheel is so thin, machining it further will make it thinner, meaning it won't take long to burn out again. Or, it could mean you have a bad clutch. It also keeps the vehicle from vibrating so much as well. Early clutch failure can result if your flywheel has damage or has warped and you have failed to replace it. This page explains the methods used to diagnose a timing chain fault in the Nissan Navara D40, D22 & Pathfinder R51 YD25 engine. Jun 05, 2018 · The condition of the dual mass flywheel also depends upon the type of your driving as reckless driving can wear them out. the garage told me about £400. Lastly, the engine oil will be refilled and the engine will be started to test the flywheel. RE: Worn Dual Mass Flywheel - How long can I drive. How to know if a car has problem with Dual Mass Flywheel Going looking at a car today which, from reading reviews on what to watch out for, says that they can give DMF problems. 8 and am unsure whether to get new dual mass flywheel or single mass flywheel. Ford Transit 1995 - 1998. The 2003 Tiburon Shop Manual does not show the clutch disc assembly with the dual mass flywheel. Gear Slippage. Sep 27, 2011 · Basically I sold a Dual Mass Flywheel and clutch from my car which was removed when the engine was changed on ebay last week. 09-21-14 02:11 PM - Post# 2485621 I was helping replace the clutch in a 2010 camaro V6 today, when we got the trans pulled and the clutch apart it was very obvious that the 2010 camaro dual mass fly wheel section to the rear of the flywheel was rather loose and would easily rotate about 10 degrees in either direction,with little resistance, now never having pulled the clutch on a v6 dual mass Dual Mass Flywheel (DMF) Movement. Have just found this thread and am going through the same thing. The clutch assembly consists of the clutch arm or actuator, the clutch disc and the release bearing. This ring will often wear out or break if the torque of an engine exceeds the amount an engine can handle. I was amazed to learn from the dealer that this is considered “par for the course”. This design offers a bit of buffering between the engine and transmission to enhance smoothness during clutch engagement. The wrong diagnosis is often a defective dual-mass flywheel. To the OP. If you can't, get salesman to quote you fuel consumption figures, or better still get him to give you brochure with fuel figures printed in it. The inner one connects to the engine and the outer one connects to the inner one by means of a flexible sprung connection allowing it to move slightly independently of the inner flywheel. Most owners opt to convert to single mass clutches once the original unit wears out. You can’t feel the twist with a new flywheel. 0 d4d. Dual-mass flywheel. The flywheel has holes where heavy metal plugs can be inserted to change the balance. Jan 21, 2013 · Check the reluctor ring for damage and the correct number of teeth; If a vehicle manufacturer specifies a ‘torque’ and ‘angle’ for the DMF bolt it should be replaced; If there is no complaint of noise, always measure the DMF wear on a vehicle that has come in for a clutch change as it may still require changing. If you are unlucky they become so loose that they smash each other apart and smash the bell housing. 5 DSE (Land Rover - please take note) here is a link to a faulty VW one on U-tube. To add to the insult our local dealer and Nissan Australia did not want to know us. . Dual mass flywheels what they are for and how they work. now if the DMF was found to be faulty Aug 15, 2006 · Can A Badly Fitted Or Faulty Dual Mass Flywheel Cause Engine Damage - posted in Ford Galaxy Technical Section MK I MK II: Hi all, i have a Galaxy 1. A 1. Mine failed at 168. It's only 1. I'm looking for technical knowledge, pics, anything that can help me understand why this thing chatters like a big rig truck. It's a dual mass flywheel. The different mechanics preferences will purely be down to what their supplier stocks and the warranty the give. g. A smaller-diameter flywheel bolts to the engine and sits inside of a drum-brake-like outer flywheel. Dual Mass Flywheel (DMF) Problems (watch video) h3>What Is a DMF? Why do we need a DMF? A DMF flywheel is made up of two main parts one is bolted to the engine and one to the clutch, it is joined together by springs and friction pads, its job is to absorb any shocks from the engine and to smooth out the power flow to the transmission. Elimination of this rattle would require a rebuild of the transmission. This can be exaggerated when using a lightweight flywheel or when eliminating a dual-mass flywheel. Phone up a Renault dealer, they can tell you. the car that is getting the swap does have A/C. I have a two-part article in June/July 2008 LRO about almost everything regarding the TD5 flywheel & clutch, but theres no mention of how to check the dual mass flywheel. by checking the idling control / quantity comparison). If the fly wheel isn't tore up from a catastrophic failure you shouldn't have any trouble having it re surfaced. Mileage: about 213k Clutch is original and still in excellent working condition, although the pressure plate is dry, resulting in a hard and creaky pedal operation. Gear slippage is the inability of the car to move to the next gear, or the car may shift to the next gear but slip back to the previous gear, or the car increases speed slowly. Mark the DMF on the teeth and then rotate anti-clockwise until you feel the other spring and then make a second mark. I know that my car drove perfectly fine with the flywheel and clutch installed and there was no clutch judder etc. I don't think it can be pulled back and still work fine. Recently I noticed that it had a tendency to become rattly in traffic and the needle on the rev counter had started to bounce up and down. ". He went on to say that the Dual Mass in our cars takes some time to warm up. It's making some noise at idle. When a dual mass flywheel goes, it's always acompanied by horrendous rattling noises when depressing/releasing the clutch, never had one on our fleet Jan 16, 2019 · Dual Mass Flywheel Failure – What You Need To Know “There’s something not quite right when you shift gears or push in the clutch pedal. I am in the process of replacing the engine in a 2013 Dodge Dart with the 1. A soft pedal and a delay in engagement after release are the basic signs of A failing dual mass flywheel will first rattle when depressing or releasing the clutch,   22 Aug 2017 LUK explains common causes for premature dual mass flywheels failure and how When replacing a defective DMF, LuK recommends replacing the clutch To replace DMFs effectively, installers need to know the precise  1 Jun 2018 Visual inspections can be one of the easiest ways to identify if a DMF requires replacing. Repairing or replacing a faulty or failing clutch is often an expensive job, frequently requiring the heavy gearbox to be removed – which explains the high labour charges incurred. Take a look at our DIY video on replacing a typical BMW clutch and flywheel. Dec 12, 2007 · What is a Dual Mass Flywheel? The flywheel is effectively a weight which is fastened to the end of the crankshaft of the engine. They also recommend you fit a new clutch kit also as this will of been starting to slip due to the dual mass flywheel. Attach the dual mass flywheel to the engine crankshaft assembly. 8 TDCi engines in the Focus used to have problems with the DMF (dual mass flywheel) too. I was even Aug 27, 2015 · For virtually any meaningfull test, the flywheel needs to be removed from the car. 1) Dual mass flywheel failed causing imbalance in the end of the crank. How to diagnose a timing chain fault in the YD25 D40, D22 Navara & R51 Pathfinder engine. From there, once all of these components are removed, the new flywheel will be installed and all parts will be put back together in reverse order. Personally having had a SM flywheel in my old 350z, for the driving I did, it wasnt worth it. The product description of single mass flywheel & clutch advertised at dieselgeek. Don't be too discouraged. It bites once as the friction material engages and a second time when the flywheel twists. Apr 17, 2012 · As Keyser says depends what you are after. 3) If the dual mass flywheel has been wearing for a while the starter motor may start to slip/spin. I'd appreciate any TDi guru's chiming in, the car is a 2010 Golf TDi with 42k miles (6 speed manual). 00. This reduces shock to the drivetrain when the clutch is engaged, which results in reduced wear to components as well as a smoother driving experience. The dual-mass flywheel is comprised of two flywheels joined together by shock absorbing springs and struts. On vehicles where the engine is balanced externally with the flywheel, a new replacement dual-mass flywheel will have to be match balanced to the engine. The car is outside warranty and while our Ford dealership agreed that this kind of thing shouldn’t happen to a relatively new car, it charged us the full amount to repair. 70,000 klm no towing, normal use, never replaced a clutch let alone a flywheel in any of our vehicles in the last 30 years. He advised that the rattle that we hear now is normal and that it is only a problem when it becomes as pronounced as it was with the original (faulty) part. I was even Our Nissan Patrol is less than five years old and has done only 45,000 km, and the whole clutch and dual-mass flywheel collapsed. Isuzu Trooper 3. What to Do When the Dual Mass Flywheel is Bad. Last edited by martin1810; 01-06-2012 at 07:07 PM. Seems that they are generally bad news. Got 12k on the clock! I know very low, it hasn't been abused as such and it's still in warranty period but they won't cover it. How to avoid DMF failure - rhydy. The dual mass flywheel is an aid to making the gear change on your car lighter and more positive while also making the engine and gearbox smoother and quieter. If a mount is faulty, you will see some severe movement in the engine (even while sat in the drivers seat) in either 1st or reverse. Feb 20, 2010 · (Dual mass flywheel) to dampen out any drivetrain shocks? If it does, it could be play in this that is causing the noise, and it will require replacing. when a flywheel is machined, your suppose to remove the same amount of material where the pressure plate is mounted, this keeps the clutch disk and pressure plate spacing within spec. We have found a very low milage Sports 2L Golf of mid 2007 as our parts donor. For future reference, There is meant to be no "easy" movement of the pressure plate independent of the flywheel. My Nissan Sentra has a DMF. How can I tell by just driving the car if there is a problem or does it need to be looked at by a mechanic. An OE-spec replacement dual mass flywheel will restore the vehicle's stock performance and feel. (6 people reported this problem) May 14, 2009 · hmm yes i know to me it sounds like i belt tensioner or something, but the silly thing is when i took a trip to my local specialist the flipping car started to behave itself and i couldnt show him the problem,you guys know what it might be, i do understand its hard to tell but if u could point me the right direction it would be a great help The springs usually give out on dual mass flywheel. But, of course, a two concentric piece flywheel held together by a sort of rubbery glue can have a short life. Sep 19, 2012 · A measure of unjust criticism is levelled at the dual-mass flywheel, which is often charged with being more susceptible to failure than a conventional clutch. Solution: A common problem is the blower motor resistor contacts corroding and/or a damaged resistor. Jan 08, 2010 · Yea the dual mass flywheels are pretty rubbish. As said above VAG have used both Sachs and LUK so the only difference buying from VAG will be the price and the colour of the box. I got an email today telling me that their mechanic has told them that the flywheel is "broken". Dual-mass flywheels from other manufacturers cannot be assessed with the scope of supply and the included instructions. Gear rattle on the ZFs has always been an annoyance, but has never been a durability issue. It is easiest to identify faults whilst the flywheel is laid  a free Car History Check · Check the MoT history; Need To Know; What is WLTP? DUAL MASS FLYWHEELS: What are they and why are they so much trouble? A failure, when really the lack of drive is because the two parts of the dual mass caused the unit to audibly rattle and eventually break up, failing in service. I'd suggest it could be a faulty injector, but obviously having not been in the car, I can't know if it felt like a mechanical juddering or feuling issue (you can usually tell the difference). so does that mean i have to run a dualmass flywheel? Firstly a DMF flywheel or more correctly a dual mass flywheel has two sections which are sprung together. M. Burnt Smell. I see the Chiltons manual shows that you need a dual mass flywheel reset tool to reset the flywheel. Problem: If you notice that there is a pulsing movement when you put your foot on the clutch you could have a faulty dual mass flywheel. VW's Official ruling on Dual Mass Flywheel rattle. Try not to let things go until you reach number 3. I have had a 160ps Insignia Ecoflex for about 7 weeks and have 7,000kms on the clock. The dual-mass flywheel test tool is designed only for dual-mass flywheels manufactured by ZF. Perhaps the most common is the failure of the crank angle sensor. Ivinson Autos specialises in clutch and dual mass flywheel replacement in York. mine would move approx 20mm when hot but only 10mm ish when cold. i always recommend having the flywheel machined. 19. Aug 26, 2012 · Hello guys, I have recently bought a 2004 t spirit avensis 2. On there own they come in at about £150 from Ford. CG Clutches do a standard solid flywheel to replace the dual mass one, but they told me on the phone it's dual mass for a reason as it reduces the vibration etc, so if you fit a solid one, it might reduce the life considerably of the gearbox or other associated components. It acts like you have two clutches which makes gear changes smooth and effortless. 4 turbo and dual dry clutch automatic transmission. Jan 15, 2014 · Help! - faulty dual mass flywheel at 90,000 mls! By Irlanski, 15 January, As an owner of a 1. 1999. My advice is do not drive it until its fixed, if you do drive it, then don't go too far. You can tell simply. A car with a flywheel that is missing a few teeth will drive just fine, since the rest of the flywheel is intact it doesn't have any effect on the clutch or shifting. SIGNS OF WEAR ARE VISIBLE  Choose our experts for reliable clutch and DMF repairs. Audi, VW, Nissan ,Volvo, BMW, Land Rover Alfa Romeo and maybe some others have strong gearboxes and are fine with single mass conversions. Clutch and Dual Mass Flywheel repairs are one of the most common How do I know if its faulty? So pretty safe to say it is the original - looks like I need to find out if the official Skoda policy is to replace the DMF at the same time as the  If yours has a manual transmission, the flywheel and clutch assembly may be on its noises or shaking when going in and out of gear are signs of a failing DMF  6 Nov 2018 either the clutch is failing or more likely the Dual Mass Flywheel has Mass Flywheel has failed this morning (horrid clucking sound when Anyone know a good indy in Kingston-Upon-Thames Surrey or nearby I could try. In reality, faults in other vehicle systems are regularly found to be the cause of noise and vibration issues attributed to the DMF, some of which may go on to accelerate DMF wear if not corrected promptly. or push in the clutch pedal. The springs in them become loose and lose the ability to give a smooth operation. Com states: “gets rid of the failure prone stock sachs dual mass flywheel. Flywheel resurfacing (or machining) can be undertaken for mild wear, but if on inspection it has deep grooves or any radial cracks it is probably time to replace it. Demono DMF stands for dual mass flywheel. When you press the clutch pedal, the clutch actuator lifts the clutch disc away from the flywheel, to allow the driver to shift gears and/or place the car in "neutral. Sankekur is right. € I repeat, this is a known problem, it seems that vw knows that original parts are defective or not up to the job as they have upgraded the replacement parts. This can be attributed to a bad flywheel, that causes plate grinding, amplified friction and oil contamination. This is a copy of a post of mind on another forum (). 14 Jan 2016 Transmission Systems valeoscope Dual Mass Flywheel Product focusa b c Perception Noise when starting the engine Problem D. The dual mass flywheel in the golf and the caddy measure exactly the same as each other but have one digit different part numbers. Vauxhall Insignia - Faulty Flywheel on Insignia CDTI 160ps Ecoflex. Nov 30, 2016 · This is a quick video of a failing dual mass flywheel on a Volkswagen TDI. single or dual mass flywheel so im in the process of colecting parts for my auto to manual swap and im getting a little hung up on the flywheel/clutch/pressure plate stuff. Click HERE Jan 20, 2019 · I agree the dual mass flywheel needs to be replaced the mechatronic. Problem: The blower motor does not function on fan settings 1 or 2. Try and imagine someone coughing in a high pitched voice! They aren't cheap to fix. A solid flywheel will transmit all of the tortional vibration to the clutch. May 31, 2010 · Dual mass flywheel failures are a common problem in VAG diesels unfortunately. So, what’s wrong with self-adjusting clutches and dual-mass flywheels? Most late-model BMWs (mid-‘90s on, some models as early as 1986) use a multi-piece flywheel that is very heavy and is intended to absorb engine and drivetrain vibration and shock-loads via an internal spring or damping mechanism. 5 years old aswel, not impressed with ford to say the least. ) As your car is 2004 vintage it's outside of warranty now so you are unlikely to get a replacement for free. This typically happens when attempting to shift to a higher gear (example: 3rd to 4th), the engine revs but you can tell no power is being transferred to the wheels. Sep 27, 2011 · How To Tell If A Dual Mass Flywheel Is "broken" Thread starter Bryan; Start date I know the flywheel and clutch had covered around 20-25k before being removed so Apr 19, 2007 · The indie has taken the clutch apart and advised that the dual mass flywheel needs replacing !!! The clutch doesnt seem to be worn out , and there is no scorring on the flywheel , so they put the slip down to a weak pressure plate and the flywheel. I love that questions from people who don't know that 3 Dual mass flywheel failures in 1000 miles! They replaced the unit with a LUK brand flywheel. It is known to make light rattling noise when the engine is cold, and should subside once the engine temperature raises. The job of the DMF is to handle low frequency spikes in torque. If you don't, a faulty or damaged Porsche 911 flywheel can result in major problems, necessitating even more expensive repairs and replacements. Diagnosing a failing dual mass flywheel can be a little tricky since most of the symptoms could also mean issues with the clutch itself. I have DMF come totally apart and ruin a Dual mass flywheels do make a differance, i fitted a solid flywheel & suitable clutch to a e46 330 clubsport & although the car drives perfectly at idle it sounds like the gearbox is about to fall When these things happen, the inner machinery of the flywheel is prone to gear slippage. The reason is that contaminants introduced by surface grinding effect the performance of internal components and quickly result in DMF failure. Dual Mass Flywheel (DMF) - Anyone had one replaced? I had not no tell tale signs that it was going my gearbox was in for bearing change and they noticed my dmf If I replace the flywheel, I would probably stay with a dual mass, even though it's horribly expensive. Every dual mass flywheel has a friction wheel between its inner and outer portions that allow them to spin easily over each other. Can I change the dual mass flywheel my self. 2 FIRE engine does not vibrate and does not produce enough power to need a dual-mass, unless you are really brutal with it. It's a good idea to change early because if the dmf plates move too far and jam, the fly wheel is a b*stard to get off . So how does it work, in order to make an engine smoother you need to increase the mass of the flywheel but as you do this the mass (without using the OEM dual-mass flywheel) The research that I've done on chatter usually leads to something faulty in the clutch system. Thus, it is a very important part of the car, especially in manual transmission engines. Q. 4 HDi would have the DMF. Jul 29, 2010 · Answers. Worn flywheels are not smooth. The vibration reduction is achieved by accumulating stored energy in the two flywheel half masses over a period of time but damped by a series of strong springs, doing that at a rate that is compatible with the energy source, and then releasing that energy at a much higher rate over a relatively short time. Accessory Drive System Guide More tips on how to maintain the accessory belt drive system or how to diagnose drive system problems can be found in our Accessory Belt Drive System Troubleshooting Guide. the pressure plate is spring loaded and comes with a special dolley inserted which u only remove when fitting the clutch. As Hugh mentioned earlier, get a specialist to check your driveshafts. Today VW sent out a technical rep to inspect the car. When it fails, will it cause damage to other components? Mar 13, 2010 · Im about to replace the clutch on my 2002 90 TD5 as its slipping. anyone know anything about testing the dual mass flywheel (same as 986 boxster) or what the tolerances are ? Is it normal to replace the flywheel with a clutch or are they being over cautious ? single or dual mass flywheel so im in the process of colecting parts for my auto to manual swap and im getting a little hung up on the flywheel/clutch/pressure plate stuff. Dec 22, 2011 · I have just had to replace a dual mass flywheel on my 2. If the flywheel is worn, it must be replaced. My second 110xpic is fitted with FAP and this is the only thing (as yet) that we can consider the reason for increased fuel consumption. With dual-mass flywheels, resurfacing is not recommended on some applications. Install the collar side of the clutch disc on the dual mass flywheel surface so that the flange side is facing the pressure plate side as shown. VW Diesel advice – Dual Mass Flywheel and clutch kit – LUK or SACH. It appears that the greatest destroyer of them is letting out the clutch in traffic at idle speed. how to tell if dual mass flywheel is faulty