Question about 1997 Pontiac Sunfire
97 Pontiac Grand Am GT (quad 4 2.4L)We have changed the head gasket as well as several other gaskets, installed a new thermostat, new water pump, new timing chain. We then flushed the whole system out. Problem continues, as soon as the car get to running temperature the coolant comes out the resivoir. Do not know what to check next
If electric fans are coming on, and you have filled the system with the heater turned on high to purge it of air, even though you flushed it, I'd have the radiator flow tested (even when flushing, coolant tends to go around internal blockages, limiting its ability to work correctly) otherwise you need to begin testing from square one like you had never seen it before (don;'t assume anything you did is working) Pressure testing of coolant system, hydrocarbon test at fill opening and engine compression tests are important as well as what I mentioned above.
Posted on Jul 16, 2009
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Posted on Jan 02, 2017
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