'93CS100 Erratic Coolant Temp

[Andre Gutsch]

...along with satisfying a long awaited dream of mine, it seems I may have 
inherited a few problems with my recent purchase. Perhaps one of you could 
help.

My coolant temp some days rises normally, but then drops off to nothing (and 
stays there), and on other days does not rise at all. Occasionally, I can 
detect a slight smell of coolant, and although I'm a new audi owner (leaving 
little for me to compare with), I'm thinking the engine is getting too hot 
too fast. (However oil temp appears never to exceed 100C). On one occasion, 
heater was blowing hot hot air (regardless of setting), on one other 
occasion (not heat at all).

I'm thinking it might be a faulty thermostat, which leads me to my next 
question. Where is the water pump located? At first glance, it seems to be 
on the accessory 'chain', but somebody mentioned it may be on the timing 
'chain'. Could belt slippage be a factor here? I am desperately seeking to 
purchase a maintenance manual for my car (but not quite ready to drop $450 
Cdn, and the electronic version won't be out till middle of Dec.)

Thanks,
Andre
'93 Audi 100CS Quattro
Toronto, Ontario (via FL and WI, and BC)
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