The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.
Problems for specific Buick Park Avenue years:
Car problem reports
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Most reported 2004 Buick Park Avenue problems
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 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.
It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.
The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.
The outer tie rod ends on the steering linkage may wear causing excessive free play in the steering and uneven tire wear. If the worn tie rod ends are replaced, the wheel alignment should be checked and adjusted as necessary.
The high pressure power steering hose will commonly leak fluid; it should be replaced.
Illumination of the Check Engine Light may be the result of a loose or worn gas cap.
at around 130,000 miles transmission began to slip when slowing and then accelerating rapidly. At 182,000 mi. Trans. Started making a growling sound, I had it replaced with a GM. Factory remanufactured unit for $ 3,200 still going strong at 225,00 mi..
May have been repairable if I had taken it in when the slipping started.