2001 Pontiac Bonneville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2001 Pontiac Bonneville
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2001 Pontiac Bonneville ProblemsErratic Shifting of the Automatic Transmission
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.
The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.
2001 Pontiac Bonneville QuestionsDo I need to bleed my brakes every time I push my calibers in (1 answer)
My heat and air barely work. The only time they do work is when I'm going more then 40 mph, and then they still don't blow enough to heat the whole car.