Cars done 170k flywheel was noisy and had bad vibration through the car. Changed the flywheel and clutch for a brand new LUK one two weeks ago, since i did that the vibrations have stopped, but i get a loud rattle when pulling away, if i use plenty of revs it stops but im sure it wasnt like that before??!! the engine seems to be moving about a lot as i get a wobbling feeling through the car when its ticking over from cold almost like the dog bone mount is shot!? any suggestions and ideas would be welome....although my suspition is its not the flywheel as its not vibrating really just a noise sounds like something is touching or vibrating together.....it is load dependant and only occurs below 1500rpm, the guy i got the clutch from said it could be the gearbox but it shifts nice and smoothly and oil was clean.

 

cheers

 

Tom.

Edited 27 January, 201511 yr by Tom1964bus

Check everthing you removed to change clutch is fitted back correctly and all tightened up would be the first thing to do.

It's possible to bolt the gearbox mount back in the wrong place causing transverse misalignment which might allow the powertrain to vibrate against something that wasn't previously as close.

ok guys ive checked for anything hitting or being loose, all seems fine. I also replaced the dog bone mount while i was under there. If i lift the clutch with the handbrake on its fine no nasty noise nothing! so the flywheel is doing its job! if i then do the same but with some revs applied as you would when under normal driving its rattling! now the flywheel was a LUK one and to me it seemed loose! it had movement side to side as well as the leaflet it came with saying its fine to move in and out a bit too. i dont know if that is how they are but it seemed odd to me. I spoke to the guy at the place who supplied the clutch and he said it sounds like your input shaft bearing on the gearbox. Gear changes are smooth as silk and if i turn the radio up the car drives as well as it ever has, smooth no vibration and very positive.

 

Any more ideas or suggestions are welcome! its not the end of the world but its annoying after spending a lot to replace the DMF and clutch.

 

Tom.

Mine is identical.

 

Luk DMF and clutch kit fitted about 25-30K ago.  I was concerned too but garage assured me everything OK and this was a VW independent specialist I've used for all sorts of big jobs before.

 

It's still fine.  It still rattles when pulling away at low revs.  Someone else has exactly the same thing with the LUK kit so I'm putting it down to that and have stopped worrying.  

 

Gearbox is silky smooth too.  No whining.