Coolant Guage Rise Then Fall Once

Asked by May 15, 2014 at 02:56 AM about the 1995 Chevrolet Tahoe 4 Dr LT 4WD SUV

Question type: Maintenance & Repair

My 95 Chevy Tahoe seems to lose a
fair amount of coolant some how. It
doesnt drip, but does disappear and
can always be smelled after driving.
Ive been told it might be disipating.

After first starting the truck in the
morning, the guage will start all the
way on the left and within the first
five minutes go very near to the red
line on te right. As soon as I see it go
past 210 where it seems to sit
regularly, I take my foot off the gas
and it will quickly creep from the 240
range back to 210 in about 20
seconds. After this initial flictuation it
stays at 210 all day long.

This only happens first thing in the
morning after the car has sat all
night.

Any help as to what's causing the
guage to read so hot and then
stabilizing immediately following my
taking my foot off the gas?

Thank You!

2 Answers

285

Two issues come to mind. Check the clutch fan for the temp issue. run or drive until the temp is up,SHUT THE ENGINE OFF then try turning the fan, if it is free, the clutch is bad. Second the loss of coolant, I can't rember if that has Throttle Body intake. If it does the intakes have a tendancy to warp at the rear over the coolant crossover. It's hard to see, the fluid drips on the exaust and dissapears. My 2000 Tahoe Limited has the same issue, add coolant every week in the overflow tank and it dissapears. 18500. miles would rather change engine

Thank you very much sir

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