'87 80 1.8 Heater problem

[Brett Dikeman]

At 11:26 PM +0100 1/2/02, Tom Nas wrote:
>Hi all,
>
>Just thought I'd run this by y'all...

"y'all?" NL means North Louisiana now, Tom? :-)

>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.

<shnip>

>I'm thinking sticking thermostat. Any other suggestions?

Sounds like it to me.  Audi's got this big long procedure for
checking the t-stat in a pot of water with a dial thermometer, must
open by blah blah degrees and blah blah blah blah...

....when it's just quicker to put in a new one :-)

A lot of thermostats are coming now with a small hole for letting
coolant circulate just a tad for a smooth warmup, that sort of thing.
If your replacement is lacking, you might want to drill a small hole,
pencil-tip sized roughly.  From what I've read, the hole goes up
high, to let any air that might come up to the t-stat get by.  One
article I saw said the hole is right near the outer edge of the
t-stat.

B
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