2003 Pontiac Bonneville Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Pontiac Bonneville

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2003 Pontiac Bonneville
$
1,156
to $
1,956
2003 Pontiac Bonneville
$
81
to $
124
2003 Pontiac Bonneville
$
426
to $
1,199
2003 Pontiac Bonneville
$
260
to $
402
2003 Pontiac Bonneville
$
279
to $
645

2003 Pontiac Bonneville Problems

Mode/Temperature Door Actuators May Fail

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

Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

Water Pump May Fail Prematurely

The water pump may develop a coolant leak resulting in an engine overheating condition.

 

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2003 Pontiac Bonneville Questions

how to reset service engine light (1 answer)

po440-po442

My car ticked and didn't want to start and batery gage fluctuate (1 answer)

Making a loud ticking noise goes away when I turn right. What couldit be? (1 answer)

I've had several people look at it. Not the oil, not a piston. Two people said could be a broke flywheel but my car still starts and drives. They also said the noise is not coming from the engine. The other two people said it's the motor and I'm out of a car. Any ideas what this could...

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2003 Pontiac Bonneville Recalls

GM Recalls 2002-2003 Vehicles Due to Fuel Tank Pressure Sensor Failure

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.

Air Bag Inflator May Fracture On Deployment
CERTAIN PASSENGER, MINI VANS, AND SPORT UTILITY VEHICLES HAVE AN AIR BAG INFLATOR ON THE DRIVER'S SIDE THAT COULD FRACTURE AT A WELD DURING A DEPLOYMENT.

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2003 Pontiac Bonneville Reviews

This is my second Bonneville, first in 1984. Nice sturdy vehicle.interior is adequate comfortable. Good solid brake system. Transmission went out at 90,000 miles. Ok except for the computer system which has problems. Smooth running. Replaced the serpentine belt at approx 90,000 miles. Replaced the catalytic converter & exhaust system at 140,000. Heating & A/C run great, no problems so f...
This is my 3rd bonneville. I started with the 94. All have been the ssei (super charger). The 94 definitly had the most power! I think they must have later, put a govener on them. On my 2000 and 2003 I have had repeated problems with the steering. It clunks and grinds. They have a defective part in them that you can replace, but it eventually does the same thing with the new part. They have a ...

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