newby, clutch question

[David]

> 
> From: Eric Henning <spiders_2000 at yahoo.com>
> Date: 2005/08/17 Wed AM 11:41:41 EDT
> To: quattro at audifans.com
> Subject: newby, clutch question
> 
> greetings all,
> 
> Just subscribed as I most likely will be picking up an
> 86 4000 Quattro tomorrow. 
> 
> Quick background on me - longtime shade tree mechanic,
> worked in a garage for a couple years during college. 
> List of past interesting cars include, 60's mustangs,
> Ford Capri (opel), Jaguar XJ6, air cooled VW's, Fiat
> Spider, Audi Fox (remember that one?), 67 Impala, 69
> Cougar, motorcycles, etc... Presently have Range
> rover, Porsche 928, 76 VW Bug conv, 73 GMC classic
> motorhome, not to mention some boring newer Toyota's.
> 
> Buddy of mine will sell me his 86 4000 Q cheap.  I've
> searched the archives for the low clutch issue. 
> Problem is the clutch appears to work fine however
> clutch pedal is down by the floor and only uses about
> two inches.  Shifts fine (except 3rd crunches if
> you're not careful in the clutch footwork).  Would
> just like some confirmation that most likely the
> master or slave cylinder need replacement.  Don't know
> if there is any leakage, sorry.  Master r&r seems like
> a major PITA.  Also is there a way to visual inspect
> how much disc material is left?
> 
> Thanks
> EricH
> Doylestown PA
> 
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The low pedal is most likely due to a bad cylidner, master or slave or both. But always do them in pairs! Just do both. Trust me...BTDT. I had the same problem. I changed the master and all was good...for a litle while. Then the slave finally have out all the way. From what I've been told, the slave begins to stick, butting extra pressure ont he master when you push in the clutch...causing the master to die. Replace the master and it will be OK for a little while, but the new master will soon die or the sticking slave will completly die. I replaced both the second time...no problems since. Beware, the slave is a BITCH to get off. The slave is iron, the tranie housing is aluminum...add constand exporeure to the elements and you get corrosion that pretty much welds the slave to the hosuing. Losts of GOOD penetrating oil (like Kroil) and a buch of whaks (not too hard) with a hammer...and it might come loose...but might also need to heat it with a torch.

Good luck,

Dave
1987 CGT 2.3
SE VA