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For anyone having thermostat issues...

Bagoftrix

Well-known member
Joined
Jun 19, 2016
Messages
90
Location
Morgan, Utah
Corvette
1990 Bright red coupe
On a previous post I stated that my 1990 c4 thermostat was fluctuating between VERY hot at idle and cool while driving down the highway. I was concerned with this mainly because I didn't want to hurt my aluminum heads. I took the car down to the dealership to have the a.c. converted over and to my surprise when I drove for awhile in both stop and go traffic and open highway the thermostat stayed comfortably in mid-range the entire time. I don't know what they did, but I think I am grateful. I say " I think" because from reading about this fluctuating thermostat issue from other owners it's saying that these cars are supposed to operate hot. Am I reading this wrong? Should I be worried that the car may not be operating at the proper temperature? :confused:confused:confused
 

hcbph

Well-known member
Joined
Aug 30, 2013
Messages
260
Location
Minneapolis, Mn.
Corvette
86 Red Convertible
Wonder if you had something going on with the fans? Typically I would expect that to be something checked and obviously if it wasn't running right it would be a problem.

Just a thought.
 

Bagoftrix

Well-known member
Joined
Jun 19, 2016
Messages
90
Location
Morgan, Utah
Corvette
1990 Bright red coupe
Fans were working fine. Coming on at 240ish. Now car wont even get past 180.
 

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