urq blowing hot water (coolant)

[ejfluhr@austin.ibm.com (Fluhr)]

My urquattro does not like its coolant (or just wants to cause
trouble...welcome to urq ownership!), because it keeps blowing it out
through the coolant resevoir cap after I shut the car off.  I typically
let the engine idle for a couple of minutes to let the turbo cool down
before shutting it off.  The after-run fan operates at low speed for a
few minutes after the car is shut off, so I assume the thermoswitch
operates correctly.  The system must be over-pressurized, but I
cannot determine how.  Any ideas/experiences?

Thanks,
Eric
'85 CGT, '82 urq #87
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Eric J. Fluhr                                Email:  ejfluhr@austin.ibm.com
630FP Logic/Circuit Design                   Phone:  (512) 838-7589
IBM Server Group                             Austin, TX