2006 montana overheats .has new waterpump and ,thermostat what else could it be

Asked by Dec 06, 2015 at 06:30 PM about the Pontiac Montana

Question type: Maintenance & Repair

2 Answers

74,655

Need to bleed the air pockets out of the cooling system for one, If it had gotten hot in the past there may be a bad head gasket. Or plugged radiator.

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19,990

Does your vehicle have a cap on the radiator or over flow tank ?

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