2003 Pontiac Montana Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Pontiac Montana
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2003 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.
2003 Pontiac Montana QuestionsMy inside lights do not come on when I open door (2 answers)
My inside lights do not come on when I open my door
How do I fix the security so the van will start
Not getting the fuel, I replaced the inline filter, but still nothing.
2003 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.
The owner's manual does not explain the child restraint anchor location symbols for the lower universal anchorage system. This does not meet the Federal Motor Vehicle Safety Standard. Owners were sent supplements to the owner's manual explaining the location symbols in the vehicle. The recall began August 18, 2003. The GM recall number is 03039.