1992 Pontiac Bonneville Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1992 Pontiac Bonneville

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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My 1992 Bonneville SE is stalling after 10 minutes or less then won't restart for about an hour. Initially it wouldn't put up a trouble code in the computer, but finally kept it running long enough to set up 2 codes. 31 and 41. The PNP switch has been bad ever since I owned the car, but...

sometimes the gauges work just fine but most of the time they will not come on at all. The info center does not work when the gauges do not work. It doesn't seem to have anything to do with temp. My mechanic is pulling his hair out trying to fix this. It has done this in the past but always w...

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VEHICLE DESCRIPTION: PASSENGER VEHICLES MANUFACTURED FROM AUGUST 1991 THROUGH JULY 1995. THE TRANSMISSION OIL COOLER LINE CAN SEPARATE WHEN THE VEHICLE IS OPERATED IN LOW TEMPERATURES IN COMBINATION WITH HIGH TRANSMISSION LOADS.WHEN APPLIED, THE PARKING BRAKE LEVER ASSEMBLY MAY RELEASE ONE OR MORE TEETH, REDUCING THE CABLE LOAD TO THE REAR BRAKES.TRANSAXLE SHIFT CONTROL CABLE MAY DISENGAGE FROM SHIFT CONTROL CABLE BRACKET, CAUSING LOSS OF GEAR INDICATOR REFERENCE, AND SHIFT SELECTOR OPERATION.

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