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.
Resources for the Repair and Maintenance of your 1990 Pontiac Bonneville
1990 Pontiac Bonneville
1990 Pontiac Bonneville Problems
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.
The high pressure power steering hose will commonly leak fluid; it should be replaced.
The fuel pump can fail causing the engine to stall and not restart. Our technicians highly recommend to replace your fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.
1990 Pontiac Bonneville Questions and Answers
We have a 1967 GTO and I was wondering how hard is it to repair the parking pawl in the turbo 400 and what parts are neede
The car's front tire is squeaking very loudly when the car is driven in slow speeds.
Here are the facts:
- The front left tire squeaks when the car is in slow speeds
- The squeaking quiets do...
i was installing a stereo in my car and connected the wrong wire and shot out the lights on the gages, and i already checked all the light bulbs on the back of the gages
My car's engine suddenly turned off when in the park position. The second time it happened was when I tried to turn the heat on when stopped at a red light, the engine shut off. My dashboard ...