1999 Pontiac Bonneville Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Pontiac Bonneville

1999 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 mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.

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1999 Pontiac Bonneville Questions

Without symptoms will just quit running while driving. No indication to start for 5 to 10 minutes will start quickly and run perfect. Has no special time or event may run for 1/2 up to 2 days before stalling. Then after 5 to 10 min. will start and run great. Had some idle problems today tho. Does...

I HAVE REPLACED UP-STREAM OXYGEN SENSOR ALREADY AND NOW WHEN I HAD IT JUSTED IT SAID DOWN-STREAM , EVAC SENSOR I HAVE NO IDEAD WHAT TO DO!!

does it require professional help changing the battery wires?

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1999 Pontiac Bonneville Recalls

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, T...VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSIONS. THESE VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FMVSS NO. 102, "TRANSMISSION SHIFT LEVER SEQUENCE." A RETAINING CLIP, WHICH SECURES THE MANUAL VALVE TO THE LINKAGE OF THE TRANSMISSION DETENT LEVER, CAN B...VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH CHROME PLATED ALUMINUM WHEELS. SOME OF THESE WHEELS HAVE A MOUNTING SURFACE THAT WAS NOT MACHINED CORRECTLY, CAUSING THE WHEEL STUDS TO BREAK.

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1999 Pontiac Bonneville Reviews

got 1 for sale for $3500.00 obo 107k 540 419-3438

This is a great car, 170,000 mile and still running strong. no problems at all, and it beats a mustang gt off the line with the right tuning haha

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