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Tdi 130 Juddering when warm + info


pingpongpo
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Hi guys and Gals,

I've been browsing through the site now for a couple of hours and can't find the information I'm looking for so I hope one of you will be able to help me out.

I've got a 52 reg golf TDi 130 which is just about to come out of warranty, the problem is that when the engine has warmed up slightly, probably just before the temp needle starts to move, it judders like it is going to stall although the rev counter looks fine and is what it should be normally.

If the engine is cold it's fine and the same when fully warmed up. The juddering also disappears if I press the clutch down. However, this problem is only noticable when stationary (ie traffic lights)

I've taken the car in a few times now and they have not been able to find anything wrong (ie computer says no) but was worrying that as it's coming out of warranty this may develop into something expensive!!

I had a look under the bonnet this lunchtime and started the engine up. Is it supposed to shake around a bit? I know its a diesel, but this was moving about an 1" when idling!!!

Does this sound like a clutch problem?

Also, on another note, I noticed a post from a chap who said that if your car was still in warranty and your alloys had marks on them (not from kerbs etc) that VW would replace them. Is this true?

Many thanks,

Simon.

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The Problem you discribe sounds like the Flywheel is out of balence (the twin mass flywheel are known for this) this is covered under normal VW warranty,

Also it is true about your alloys, if there is any corrion marks on your wheels then VW warranty will pay for new ones (Coating Defect).

Hope this is some help to you 169144-ok.gif

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Sorry to be a pain but why would the flywheel only be out of balance when at a certain temperature? What would make the flywheel go out of balance? It never used to judder when I first got it.

Reference to the alloys, I remember when it had its first service (About 15 months ago) and I mentioned the wheels but they just said to use something like wonderwheels cleaner on it or something like that? sportifs2.gif

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The flywheel has a system of wieghts on it which move outwards (with centrifugal force) as the engine speed increases. At some critical point, the weights will be out of balance, and causing the juddering.

Wheel cleaner isn't going to repair damaged alloys, now is it, Mr Dealer! ROLLEY~14.GIF It amazes me that they want to deny you the opportunity to allow VW to pay them to put right a fault on your car. Ulimately, VW pay the dealership very well for warranty work, so why don't they want to feckin' well do it?

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Whats the best way of getting my local VW garage to sort this out? I've had it down there twice already and they've never been able to find any problem.

I suppose my only option is to take a days holiday and sit with the guy in the car and point it out to him. smashfreakB.gif

Whats the best way of dealing with the alloys issue? What if they say they've never heard of it. Is there a VW helpline I can call that doesn't put me through to my dealer? confused.gif

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Sorry to go against the majority view here but the 130's are prone to having a recognised ECU fault that causes the juddering at tickover.

If the dual mass flywheel was at fault it would do it hot or cold.

I assume the it only happens during warm up and when warm it doesn't happen ? In which case I'd say you've got the ECU fault.

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I must say my A4 130 shakes a bit at idle sometimes, something the techie mentioned last time it was in the stealers and he tried to tell me it was a sporadic misfire and I needed a new injector for cylinder 1. Now don't get me wrong I'm no mechanic, but I know a misfire. My MPG is fine and it's fine through the revs in any gear, it just shakes a bit when it is stood.

Wouldn't stealers have picked up on a recall when it goes in? Last time it went in they checked something to do with the clutch under recall warranty.

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No they won't.

Begrudgingly only.

If you can live with it, they won't change it, create hell they will. It's a known fault.

And errr... Diesels cannot misfire, they are compression ignition, there is nothing to misfire, maybe under fuel causing nothing being there to ignite.

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[ QUOTE ]

The is a ECU mapping problem where at warm up there is a rough idle and when the clutch is pressed and released the rough idle goes away,

A new updated ECU is fitted and the problem is cured but i think that was 2001 > 2002 cars only

[/ QUOTE ]

My car is a 52 reg so I guess that would make mine right at the tail end of the run. I'm going to pick it up soon so I'll say something about it then. Just wondering what to say if they say they've checked on the machine and no error codes are shown?

I'll chance my arm anyway. FIREdevil.gif

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Hey guys! Just had words with my local stealer and they are going to sort out my wheels laugh.gif

They reckon if you've got any scratches on them, VW will reject them back so be careful there. Anyhow, they have ordered some wheels and caps for me so I will go back next week to have them fitted.

On the business of the juddering, I mentioned to the service manager that it is an ECU problem and quite a common fault. He said he hadn't heard of any such thing and that if I could provide the bulletin number on which this is stated, they could do something about it.

Anyone got any idea what the bulletin number is for this fault? bowdown.gif

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My 52 Passat Sport TDI had a judder only when cold on a cold morning that then disappeared when the engine warmed-up. My drive has an uphill gradient which made the problem more apparent. I reported it under warranty at over 60k (I had the mileage top-up warranty)and my dealer said as it could be a worn clutch I would have to agree to the gearbox removal/ refit at approx £300 before investigation. If the clutch was worn I would then have to pay for the complete clutch assembly as well. If it was the dual mass flywheel the whole lot would be replaced under warranty.

This I agreed too and the removal showed that the clutch was fit for a further 60k miles and the subjective test of the flywheel showed no discernable problem. VW were consulted and agreed that as the dealer had witnesed the problem judder from cold they would fit a new clutch assembly under warranty as an initial solution.

This did not cure the problem of judder so the car was returned to the dealer a few months later and VW agreed to the replacement of the Dual mass flywheel which then cured the problem. It seems the bearing or bush in the centre of the flywheel can wear and with only a slight amount of play causes the 'loose' part of the flywheel to 'flutter' on take-up causing the judder. I understand that the dual mass flywheel is there to reduce damage to the gears at low revs from certain damaging harmonics and no attempt should be made to replace with a solid flywheel which I understand is possible and has been done.

I have not seen a dual mass but believe they have radial springs like a clutch plate towards the outer edge to provide smooth take up etc. The item is made for VW by LUK and in a VW box costs in excess of £500 plus fitting.

You will have to be persistent with your dealer and my advice is to phone VW Customer Services to report the problem BEFORE the warranty expires and ask for a report number noting the date and person you spoke to. This 'number' will follow the warranty claim and make your life a little easier for yourself and your dealer.

Best of luck.

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