1998 Pontiac Bonneville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1998 Pontiac Bonneville
1998 Pontiac Bonneville Problems
The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.
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.
1998 Pontiac Bonneville Questions
Change Trans oil and filter
1998 Pontiac Bonneville Recalls
1998 Pontiac Bonneville Reviews
The Bonneville has held together quite well. The intake may leak causing the engine not to run but after that is taken care of the engine performs quite well. If you like the looks, this may be the car for you.