2004 Pontiac Montana Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Pontiac Montana
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2004 Pontiac Montana ProblemsIntake Manifold Gasket May Leak Coolant or Engine Oil
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
2004 Pontiac Montana QuestionsHad AC leak and want to know if I can stop AC system from being used (1 answer)
2004 Pontiac Montana RecallsThe Fuel Tank Inlet Check Valve Can Crack and Leak
Due to variations in the manufacturing process, or exposure to high heat may lead to a fracture in the tank inlet check valve. Fuel vapors may pass through the fracture and accumulate on the side of the fuel tank. A fuel leak in the presence of an ignition source could result in a fire. Dealers will replace the fuel tank. The recall began December 4, 2007. The GM recall number is 06230.
Some minivans are missing the required labels on the second row seating for the integral child restraint system. This is against the Federal Motor Vehicle Safety Standard. Vehicle owners were sent the correct labels with instructions on how to install them. The recall began July 23, 2004. The GM recall number 04022.