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1999 Pontiac Grand Am GT - Page 3 Questions & Answers
Why won't it restart after having just been driven?
if it just stopped with no apparent problems then there are several indicators that can be checked
jump time ---not likely unless the timing belt /chain broke
check to see if the cam shaft is turning
run fault codes and look for cam/crank position sensor, immobilizer or ignition control module
Overheating
did you bleed air out coolant. if you did check engine oil when engine cool .could have a blown head gasket. if it look like milk shake . head gasket leak . reason blow no heat check see heater blower motor working.if yes . heat control unit or heat door not open in dash vacuum line to heat door actutator could be leaking.
1999 pontiac grand am gt is overheating i replaced
First check that the thermostat was installed correctly. It will not work properly if it was installed upside down. If this is the original radiator, it most likely is plugged up with deposits and corrosion. It needs to be replaced with a new one.
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