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philgranville

philgr ... 5/18/2012

1994 Buick Skylark Custom 6 Cyl 3.10L

Engine

Car is overheating

Temp is going up to redline, you can hear fluid bubbling. Then it will drop down to normal range for a few seconds. Then spike again. The windshield is fogging up and there is a smell of antifreeze. Three is antifreeze leaking or being pushed out by pressure under the car, behind the front passenger side tire. I was thinking either heater core or thermostat. But what I don't understand, what has me baffled, is the girl who owns the car said this started happening right after she hit a curb. she hit a curb & bottomed out right where the leak (behind front tire) is, & all the antifreeze spilled out. We put new antifreeze in, and now its overheating. but if the problem has something to do with hitting that curb, then it can't be the heater core or thermostat. Any suggestions?

1 Answer


CVO

CVO 5/19/2012

A low coolant level, a coolant leak (through internal or external leaks) are the overheating symptoms.

A leaking heater core will cause the windshield fogging up and there is a smell of antifreeze.

Obtain a loan free radiator pressure tester from the local auto parts stores such as Autozone, O'Reilly or PepBoys. Follow their instructions and pump it an adequate air pressure in lbs allowances on the radiator cap. Observe the leaks and perform the repair.
Note: do not OVER-PRESSURE than the pressure allowed in the radiator cap.

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