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2004 Pontiac Bonneville Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Pontiac Bonneville

2004 Pontiac Bonneville Problems

The intake manifold gaskets can develop external engine oil or coolant leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue. In some cases the plastic intake manifold my be damaged requiring replacement.

The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.

The water pump may develop a coolant leak resulting in an engine overheating condition.

 

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