Pontiac Bonneville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Pontiac Bonneville
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Pontiac Bonneville ProblemsEngine Stalling Due to Mass Air Flow/Crankshaft Position Sensor Failure
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 mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.
Pontiac Bonneville QuestionsWith heat on in the discharge air will only reach 100° Clean heater core . (1 answer)
Replaced blend door actuator or same problem only reaches 100° Where is the temperature probe? It is a manual controls if I unplug actuator and turn vent door to hot temperature reaches 140°. Problem is when I turn the car off it goes back to halfway point and then won't drive to full heat?
The vats system was by passed. And charging system was up down. To start the starter was sticking the battery wouldn't start car got a jump and smoke came from starter but the car never turned over like no power at all someone said solenoid but I was thinking the resisters were messes up ( fr...
Pontiac Bonneville RecallsRecall 04V090000
GM recalls certain 2002-2003 Cadillac Devillle, Seville, Oldsmobile Aurora, and Pontiac Bonneville vehicles because the fuel tank pressure sensor may fail and cause a fuel leak. In the presence of an ignition source, a fuel leak may result in a fire. Dealers will replace the fuel tank pressure sensor.