GMC Acadia Repair and Maintenance
A guide to problems, costs, maintenance and repair for your GMC Acadia
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GMC Acadia ProblemsBrake booster failure due to internally leaking brake master cylinder
Service brake system message, sometimes Service Stability, red brake light and TRAC OFF message.
These are sometimes the result of low brake fluid, but no obvious leaks are noted. Due to the design of the master cylinder and brake booster, the master cylinder can leak from the rear seal and collect inside the booster, leaving no drops on the ground or obvious signs.
You will need to replace the master cylinder and booster to correct.
Vehicles with a 6speed automatic transmission may develop one or more of the following faults related to a broken 35R clutch wave plate inside the transmission: Illumination of the Check Engine Light with code P0716, P0776, P0717, P0777, P2714, P2715, and/or P02723, loss of reverse gear, slipping or harsh 3rd or 5th gear shift. Removal and dis-assembly of the transmission will be required to replace the broken 35R wave plate. It is also extremely important that all debris from the failed part be cleaned from the transmission while it is disassembled in order to try and prevent future problems.
Vehicles with certain V6 engines may illuminate the Check Engine Light one or more of the following codes: P0011, P0014, P0021, P0024, P0341, P0346, P0336, or P0391. Our technicians tell us that some vehicles may require a powertrain control module (PCM) software update to correct this issue. Other vehicles may have excess camshaft end play on one or both cylinder heads which will need to be corrected using special procedures outlined by GM.
GMC Acadia QuestionsHow do I access my battery? (1 answer)
My battery is not located under the hood. How do I get to it?
My car is making clunking sounds when I'm driving. Sounds are in the front end. I've been told it could be sway bars.
GMC Acadia RecallsBrake Fluid Leaks And Reduces Braking Performance
The front brake caliper piston seals may leak brake fluid, causing braking performance to be reduced. Dealers will inspect the front brake calipers and replace them as necessary free of charge to resolve the concern.
Defective welds in the left lower seat frame of the vehicle's third row can result in a lack of structural integrity of the seat. This can result in occupant injury in a crash. Dealers will inspect and replace as necessary the left lower third row seat frame free of charge to resolve the concern.
The windshield wiper motor may overheat and stop working, and cause a fire hazard. Dealers will replace the wiper motor cover assembly free of charge to resolve the concern. Owners are advised to not use the windshield wipers until the cover has been replaced.