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hipeup

6N2 TDI CLUTCH/TRANS PROBLEM??

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hipeup

Where to start??? (i'll make it as short as possible)

Noise when idling which goes away once clutch is depressed..

After much research possibly two culprits;

1. release bearing.

2. input shaft bearing.

 

Took gearbox out to GEARBOX SPECIALIST who gave it a external examine (spinning & listening to the moving parts)
Advised by said specialist to change clutch as it could be just that and it may be more cost effective as, if he opens it up and finds nothing it'll cost, popped new clutch it, got gearbox on (replaced gear oil) started car, noise still there but a little quieter (a little).
So new clutch, pressure plate, release bearing, release fork, gear oil. ***Not fixed**

 

input shaft bearing guys?

I don't wanna take the gearbox off again if it isn't that 

 

So noise at idle, clutch down = no noise

Has anyone had a similar issue?

p.s I have a spare clutch now

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hipeup

Both the clutch lever and guide sleeve looked fine so only changed the lever, could that be causing the noise tho?

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hipeup

Anybody out there? TDI people?? 

Car has now decided to move when the clutch is down in gear. Bite point on floor, so not fully disengaging.. 

Feel like driving into a wall

 

Slave cylinder, bearing, adjustment, 

Edited by hipeup

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caretakerplus

That guide sleeve should be parallel, if there is a 'step' in the length of it, then it needs to be replaced.

You are sure that you have put the driven plate in the correct way round - aren't you?

Back to your original problem (the noise) - Always a difficult thing to diagnose without actually hearing it.

Did it come on gradually, or suddenly?

Could it simply be that you are being over cautious - maybe you could listen to a similar vehicle and compare the sound.

 

It would seem that you may have found an honest gearbox specialist - many would have sold you some expensive and perhaps, unnecessary work.

 

Regards

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hipeup
17 hours ago, caretakerplus said:

That guide sleeve should be parallel, if there is a 'step' in the length of it, then it needs to be replaced.

You are sure that you have put the driven plate in the correct way round - aren't you?

Back to your original problem (the noise) - Always a difficult thing to diagnose without actually hearing it.

Did it come on gradually, or suddenly?

Could it simply be that you are being over cautious - maybe you could listen to a similar vehicle and compare the sound.

 

It would seem that you may have found an honest gearbox specialist - many would have sold you some expensive and perhaps, unnecessary work.

 

Regards

 

Thanks for the reply!!

 

Clutch arrangement correct way around, guide sleeve felt and looked good.

The noise was gradual and probably intermittent, would go completely if I depressed clutch for a second. 

Got to the point where it was constant and loud (worse than lorries, tractors etc).

Compared with same and cars that use same engine and found that it isnt normal.

Gearbox guy was a real one

 

Thanks

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caretakerplus

From your description, it would seem to be unlikely that the new release bearing is causing the same noise as the old on (possibly) did.

However, as your gearbox man seems to think that your box is OK, it might just pay to check the wheel bearings before going any further with gearbox work - It is possible that when you depressed the clutch the driving load would be taken off of the wheel bearings, causing them to quieten.

On the other hand, if you can hear this noise with the car stationary, then the wheel bearings obviously have nothing to do with it.

If you can hear it whilst stationary, I suggest that, with the engine running, you push down the clutch pedal and put the car in gear, this will effectively lock the gearbox, if the noise is still there, the gearbox is obviously not the cause.

Let us know how you go on.

 

Regards.

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hipeup

So it's not the wheel bearing, gearbox seems ok..

noise is quieter now but this may be due to the clutch not disengaging fully. Crunch when changing gear, I pushed the slave cylinder in by hand with the reservoir closed to see if it would come back out which it did.. slowly not too slow (mistake maybe) 

 

Have pressure bled clutch but not for long as didn't have time (bled through 200ml max)

 

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