1991 Chevrolet Corvette Idling Temp

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VICTOR69
  • MEMBER
  • 2 POSTS
recently purchased a 91 vette and while idling the temp
starts rising quckly is this normal
Mar 10, 2007 at 4:50 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,694 POSTS
Look at the cooling fan in front of the radiator to see if comes on when it hot. (electric fan)
Mar 17, 2007 at 1:59 PM
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VICTOR69
  • MEMBER
  • 2 POSTS
well i have got a better understanding now from what i have found out the default sensor does not kick the fan on till 230 so im just ordering a lower temp sensor
but until then a friend had suggested kicking on the air
for the car and that makes the fan work below 230
and thx for the reply
Mar 17, 2007 at 9:13 PM

Suggested Repair

Check that the electric cooling fan in front of the radiator comes on when the engine is hot. The stock sensor may not engage the fan until about 230 degrees; a lower-temperature fan sensor can be installed, and turning on the A/C can command the fan earlier until then.

Conversation Summary

The owner of a 1991 Chevrolet Corvette reported the temperature rising quickly at idle and asked if that was normal. The expert advised checking whether the electric radiator fan comes on when the engine is hot. The owner later found the stock sensor does not turn the fan on until about 230 degrees, planned to install a lower-temperature sensor, and noted that turning on the A/C makes the fan run below that temperature.

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