OVERHEATING on 1991 Pontiac Sunbird

OVERHEATS AFTER DRIVING 10MILES CHANGED THERMOSTAT RAN WITHOUT THERMOSTAT

by in Gratz, PA on June 01, 2010
1 answer 1 comment
ANSWER by on June 01, 2010
running without thermostat will cause it to overheat. if you drive it overheating you can bet you have done internal damage to the motor. hard to say what the problem is at this point. take it to a shop and have them check for a clogged radaitor and a leak down test on cylinders. Roy
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COMMENT by on June 01, 2010
THE FLUILD WOULD FLOW BETTER WITHOUT THERMOSTAT WOUNDNT IT CHANGED WATER TEMP SENSOR RAN WITH AC FOR 20 MINUTES RAN FINE WITHOUT OVERHEATING COULD THAT HAVE BEEN THE PROBLEM
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