Hey everybody, it seems my '02 3.1L has a coolant leak. I can smell the coolant steaming off. NO visual signs of a leak though…what should I inspect to find and repair this leak? Btw the engine has just over 100k.
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02-19-2014
Hey everybody, it seems my '02 3.1L has a coolant leak. I can smell the coolant steaming off. NO visual signs of a leak though…what should I inspect to find and repair this leak? Btw the engine has just over 100k.
02-19-2014
A likely cause is intake gaskets, or maybe the thremostat housing gasket.
Both should be replaced at 100k anyway. The intake gasket are a very common failure and if not taken care of can destroy an engine.
02-19-2014
Alright, I'll look into that, I replaced the thermostat last summer—can't feel any moisture around the housing anywhere on it now.
02-19-2014
Check around the water pump, throttle body hoses, and radiator also. The intake gasket is the most common leak. It is always a good idea to replace the distributor O-ring or oil pump drive O-ring the same time as the intake.
02-19-2014
I'd also check those notorious coolant elbows by the water pump...
02-19-2014
Lower intake manifold gasket is the most likely suspect. luckyg817. There are no coolant elbows on his car.
02-19-2014
No coolant elbows on the 3.1? That's great news!
02-20-2014
Oh really? Well then lucky you. Haha. One less thing to worry about.
02-20-2014
lim and heads leak on those engines. either one could be the leak.
not so lucky really.
02-20-2014
Neither ones of those are any fun. I had to swap both on mine but mine is an 04.
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