It depends on how well the car has been maintained and driven I bought a 96'' Pontiac grand prix se coupe it had 111,450 miles when I bought it and then it blew a head gasket at 119,200 miles so my guess would be maybe 100,000 just to be safe hope this helps the thing's we go through to own a GM automobile.
Theoretically, under normal operating conditions, and proper maintenence, intake manifold gaskets should last for the entire life of the vehicle. To my knowledge, there is no prescribed routine replacement interval for intake manifold gaskets. Of course anytime a head(s) is removed, then new gaskets should be used in reassembly.
Pontiac Grand Prix does not have a timing belt. It has a timing chain and it is replaced when it breaks.
A timing chain will normally last the life of the engine and is replaced during a complete engine rebuild.
My grandson had to replace the motor mounts on his Pontiac Grand Prix last year and now the mechanic says they need replaced again. He has hardly driven it. How can that be
Gaskets loose its ability to keep fluids with time and have to replaced. You cannot do anything about it. And too high pressure is one of the most popular cases. Especially if your car get overfilled with oil often.
They are replaced when they go bad.
The filters are what needs to be replaced most often on the air conditioning units.
The timing chain is designed to last the life of the engine and is normally only replaced during a complete engine rebuild.
There are no volcanoes in the Grand Canyon.
I would think it could be an exhaust manifold leak. Look at the exhaust manifold for a bolt that is missing; then can vibrate loose( Some manifolds use gaskets-some don't). Also look where the exhaust manifold attaches to the exhaust pipe for leaks. Leaks will often leave a black or gray soot mark if they are leaking; and they usually leak once the motor warms up and parts expand. I hope this helps you. Mark
It depends on the use, but yes, they have to be replaced periodically.
The part that makes it so expensive is the intake manifold has to be removed to replace the thermostat and its a labor intensive job. but the intake gaskets do go bad often so it will prevent a future repairAnswerI don't know if this will help or not but I have have a 2001 Aztec and its a pain in the butt mine is located drivers side along the side of the engine I had to bring mine in the shop to get replaced and it wasnt cheap sure the part was that's only $10.00 or so its the labor that's gonna kill you same with the air filter that took me 1hr. to remove and replace it