Problems for specific Buick models:
Car problem reports
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Most reported Buick problems
After a rain there is water on the front floor both driver's side and passenger side. Had new windshield put in and sealed under cowl and all drains under cowl are clean.
Car would begin to misfire, run rough, and stall after being driven for awhile. Sometimes door locks would chatter or other odd electrical problems. Poor connection of main harness into distribution box beneath the back seat. Replace connector and distribution box. Warning: Unburnt fuel in exhaust from initial problem will lead to catalytic converter failure.
Door would not automatically unlock from the remote or when the master lock switch was opened and the window would not work.
Left Rear Door Module (Part #: 25654368) was bad -- Symptom: door would not automatically unlock and the window would not work.
troubleshooting: pried off the plastic cover behind the door handle (start at the hinge side), removed single screw and then starting at the bottom pulled off the door covering (It is held in with plastic snaps), found 12v going into the door module and deduced the module was the problem; found one on ebay motors ...
When replacing the battery I accidently touched my wrench from the positive terminal to bare metal which caused my fuel gauge needle to go completely around to the stop pin. Had to use the trip mileage for the last 5 years to gage when to fill the tank. Found out on this site that a magnet placed against the plastic directly in front of the needle and rotating it counterclockwise would put the needle back in position. Did this and now works fi...
It is very common for the high pressure power steering rubber hoses to leak. Our technicians recommend replacing leaky rubber hoses to prevent the loss of power steering.
The engine temperature sensor wire for the engine temperature gauge, or warning light, may touch the rear exhaust manifold causing a short to ground causing erratic operation of the temperature gauge or warning light.
The crankshaft position sensor, ignition module, and/or powertrain control module (PCM) may fail resulting in illumination of the Check Engine Light with ignition system related fault codes stored in the PCM. Patience is necessary when dealing with this specific situation as normal diagnostic procedures are not effective. In many cases, the best option is to replace parts, one at a time until the fault is corrected.
The anti-lock brake (ABS) accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard.)