Leaking Water Pump please HELP

[quk@sievers.com (Phil Payne)]

In message <c=US%a=_%p=New_Pig_Corporat%l=NEWPIG9-970104034921Z-40639@newpig9.newpig.com> dougev writes:

> 	My 85 4KQ is leaking water from the water pump.  It leaks about 6 ozs
> per week and seems to be getting worse.  I only put a few 100 miles per
> week on it.  What can I expect relative to the final failure?  Will it
> slowly go or can I expect a big blow out?  Anyone give me a guess of how
> long I have until I have to change it?   

I've had two fail on Audi 80s.  Both got worse exponentially at the end.  When 
it gets to a pint a day, start taking a cellphone with you. 

> 	I also have another question...My compression ratios vary quite a lot..
> 120 - 155- 108 - 159 - 128.   The car doesn't burn oil and starts fairly
> quickly and seems to have good power.   What might be the cause of these
> low numbers? (Car has 88,000 miles on it)  Could it be burnt valves?  I
> read something in Bentley about little cracks in the valve seats...is
> this a common problem and could this be the cause?  While I have the
> timing belt off..should I do a head job?

The Audi service docs suggest 2 bar as the maximum permitted delta.  51psi is 
over 3.5 bar.

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club