Quote:
Originally Posted by newfiejeff
I have a 2002 Pontiac Montana with 3.4 l engine. I have to top up the radiator bottle about twice a year with coolant. The motor has about 157, 000km now but when I purchased it had around 70,000km. I had to add since day one and it never got any better or worse. I don't see any that has leaked on the ground or around the engine. So where is going and I guess it is leaking and getting burned off.
Any thoughts.
Jeff
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You probably have lower intake manifold gasket that is leaking. Leave it too long and you will wreck the enigne.
serch this forum or in Chevy Venture forum about itake manifold and you will get all the info you need.