'87 80 1.8 Heater problem

Huw Powell audi at mediaone.net
Wed Jan 2 18:19:19 EST 2002


> Patient: '87 80 1.8 carb.
>
> Symptoms: outside temps just below freezing, engine gets hot (water temp
> gauge hits 90 C) but heater blows nothing but cold air with knob set to
> full heat. I get in a traffic jam, temp gauge goes to 100 C (I get slightly
> worried) and suddenly the heater starts working.
>
> I'm thinking sticking thermostat. Any other suggestions?

I'd say the two places to start would be the thermostat (never hurts to
replace them) and the heater valve - remove the valve and see if it
really works, or if it is screwed up inside.  Undo one more hose and you
can flush your heater core.  two or three more and you flush the whole
system...

--
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/



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