A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.
Resources for the Repair and Maintenance of your 1991 Pontiac Sunbird
1991 Pontiac Sunbird
1991 Pontiac Sunbird Problems
The torque converter clutch can stick "on" after extended freeway driving causing the engine to stall when coming to a stop. Our technicians tell us when this occurs, the engine usually will restart and stall when put into gear. After allowing about twenty minutes for the engine and transmission to cool down, the engine will start and the transmission will operate normally. Replacing the torque converter clutch solenoid, transmission fil...
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians tell us this condition is best corrected by replacement of the front rotors and brake pads.
A dirty throttle body may cause a lower than normal engine idle resulting in a stalling condition. A stalling condition may also result if an idle learn procedure is not performed if the battery goes dead or is disconnected.
The ignition module or crankshaft position sensor may fail causing the engine to die and not restart. Diagnoses will be necessary to determine if the module or crank sensor is causing the no start condition.
1991 Pontiac Sunbird Recalls (Recent)
Summary: THE FRONT DOOR SHOULDER BELT GUIDE LOOPS MAY BE CRACKED AND ARE NOT IN COMPLIANCE WITH FMVSS 208.Learn more »
1991 Pontiac Sunbird Questions and Answers
where is the fuel filter located?
OVERHEATS AFTER DRIVING 10MILES CHANGED THERMOSTAT RAN WITHOUT THERMOSTAT
Where can I find one? How much does a tank cost?
I've looked all over the net, & 3 parts stores so far ... no luck! Do you have one handy?
guage fuse pop where can I find the short
no fuel getting into the gas tank