Re: Coolant Problem

[steveb@falcon.kla.com (Steven Buchholz)]

> I have a perplexing coolant leak problem.  I have a 1990 200tq with a small
> coolant leak.  The leak is only noticeable immediately upon shutting down the
> engine and only while the engine is still warm.  The engine never runs hot
> (never goes past a few notches on the gauge).  It only leaves about a 10 inch
> diameter stain.  I drive the car about a 100 miles a day and it takes a week
> for the car to leak enough coolant to activate the low cooling light (about 2
> inches in the reservoir).  I had the car pressure tested and they found no
> leaks.  The leak drips off of the left side (driver's perspective) of the
> horizontal stabilizer, but I can't trace it.  Any suggestions would be
  ^^^^^^^^^^^^^^^^^^^^^
> appreciated.
> 
... I want to see your car Vince ... does it fly?  :-)  For some reason I 
have a mental image of an Audi with wings bolted on top a la James Bond ...

I don't know what you mean by horizontal stabilizer, but if the leak does 
appear to be coming from the front left side of the engine it may well be 
the water pump.  I have had a problem with a WP that leaked only sometimes.

HTH!
Steve Buchholz
s_buchho@kla.com
San Jose, CA (USA)