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Re: overheating 85 635

> (I am a little leery of it since if I watch it
>closely, I can see the needle waver in time to the turn signal)
>Is there any way to test it other than buying a new gauge? 

Use an AC thermometer carefully inserted into a hose 
bleed off some hot coolant to measure the temp. 

thermostat opens at 176 F  (pointer at the 2nd  dot) 

normal operating temp is  about  190 F (about the middle of the idiot gauge)

auxillary cooling  fan  activated at 196 F  at low speed
auxillary cooling  fan  activated at 210 F  at  high speed

red zone indicates temp is now than higher than 210 F

Let me add this additional info,
The above is what I figured out with info from the Bentley manual.

( careful as coolant  is under pressure, and needless  to say hot......) 


sincerely,
henri