Re: Overheating Woes

["Rick Lackner" <hugacub@mail.whidbey.net>]

On  8 Aug 97 at 22:43, Brad Sheridan wrote:

>   And as far as the thermoswitch goes, the times I had it running
>   hot that were
> thermoswitch related, the fan didn't come on at all. So it
> definitely appeared to be either it works or doesn't, and the
> Bentley doesn't mention anything about testing its operating temp
> like they do the thermostat, which I guess led me to believe it
> either did or didn't work. How much of a temperature variance can
> you expect to see on one before it fails altogether?

What about deposits building on the sensor that measures water temp?  
Wouldn't this degrade performance while still allowing it to work?  
Seems to me this could happen and possibly by removing it and cleaning 
it you could get better temperature measurement?

>   And if you replaced the water pump with a cheap one from some auto
>   chains,
> I should warn you that I've had one of these fail pretty quickly. I
> think it was the impeller that came loose from the shaft, but the
> end result was it didn't pump anymore after just a few months. But
> someone else here probably has a better idea of exactly what
> broke...

Speaking of cheap water pumps, what brand did VW put in?  I got an 
Airtex from my parts house and if it's junk, maybe I ought to return 
it before I re-try installing it?  Thoughts anyone?

Rick    
hugacub@whidbey.net
Richard.Lackner@entex.com
85 Scirocco 8V  Wolfsburg
Everett, WA
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