Loud hissing sound when pressing the clutch pedal

[Huw Powell]

Andrew wrote:
>>> Also, this would make it totally unrelated with the hydraulic
>>> problem that
>>> the clutch seems to have as the clutch cylinder had air inside. Is
>>> it just a
>>> mere coincidence?
>> Yes.
>>
>> If the noise can be better described as a "sandpaper" noise than a
>> hissing, Yes.
>> BTDT many times.
> 
> 
> The noise is indistinguishable, at least to my ears, from the typical sound
> of a worn out (and/or poorly tensioned) alternator belt that makes this
> prolonged squeaky noise on those humid mornings in old cars and continues
> squeaking for a while or even never stops until replaced.

Yes, but there are no belts involved here to get old.

There is, however, a clutch part (the throwout bearing) that gets old, 
and starts making funky noises as it goes bad.

Replace the ToB now, or all the parts later.  Either job is a lot of 
work, one just involves more parts to buy.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/