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Re: [T3] Whirring noise when clutch is depressed


On 21 Nov 2005 at 7:33, The Canadian wrote:

> I did grease the pilot bearing  and I used an alignment tool when installing
> the clutch disk.  I guess the new throwout bearing could be noisy or bad...
> I bought the Sachs unit assuming it wouldn't give me any troubles.  It
> seemed a bit stiff but was not noisy to spin around with my finger.

New TO bearings come with a plastic coating on the fact that goes against the 
pressure plate. For the longest life, it's best to gently roughen that surface 
with some sandpaper, clean off any resulting grit, and rub a thin coating of 
MoS2 paste into the roughness. I don't think this is absolutely necessary, but 
it seems to reduce noise and minimize wear.

I also use the MoS2 paste on the drive splines.

The alignment too is essential to getting things together, but once together it 
has no further effect. IOW, without the alignment tool you may have trouble 
getting the engine in, but once you're in, it doesn't matter any more.

-- 
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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