Question about 2000 Pontiac Montana
2000 Pontiac Montana. Head gasket leaking coolant into oil. Overheated once. I filled coolant and risked driving a few miles to store vehicle at home for a later repair. The low coolant light came on and there was no heat from blowers. Engine temp stayed normal but battery light came on as the engine completely shut off and braking seemed less effective until car coasted to stop. Started again fine and all electrical working. Parked it in nearby lot to retrieve tomorrow. Planning on replacing the head gasket at home. The head gasket leak is a very recent problem and I am afraid that not catching it in time may have done damage to transmission. When diagnosing the coolant system, what could be doing damage to the transmission? Is AllData helpful with diagnosing mechanical problems as well as computer diagnosis.
Tran should be ok need to take head to repair shap and be sure head is ok and not cracked. thermostat, radiator, or cap, hoses need to be checked to dtermine what caused it to run hot also check engine fan. Pls rate this solution
Posted on Feb 17, 2009
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