2006 Pontiac Grand Prix Overheating

Asked by CL30 Jul 24, 2019 at 09:30 PM about the 2006 Pontiac Grand Prix Base

Question type: Maintenance & Repair

I have a 2006 Pontiac Grand Prix Base with 209,000 miles on it. It has had
an overheating issue over the past year, but started up bad again a few days
ago. Last year I replaced the thermostat, and water pump, and last month I
replaced the Radiator... does anyone have any idea of what could cause it to
overheat? I am thinking maybe its the head gasket? it doesn't smoke, no
fluid leaking under the hood, but it is definitely going through antifreeze quite
frequently. I don't know if there is a common issue that could be fixed
relatively easily or if the car is just getting tired and I should move on. thanks
for any help in advance

2 Answers

Could be the timing chain cover, I’m doing this now. Looks like it has been leaking for some time and just got worse in the last couple of days. Never had any coolant puddle up under the car. But it really dumped a bunch of coolant when it had gotten up to temp on the highway.

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