2012 Buick Enclave Problems: 3 Known Issues
2012 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2012 Buick Enclave has 3 documented known issues, with 1 rated critical. The most serious is Stretched/Worn Timing Chain on 3.6L V6 ($3,200-$3,400 repair). Across all issues with published estimates, repair costs range from $200 to $3,400. DIY maintenance guides at au7o.io.
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All 3 Known Issues
NHTSA Recalls12 recalls
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE
General Motors, LLC (GM) is recalling certain 2014-2017 Buick Enclave, Chevrolet Traverse, and GMC Acadia vehicles. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.
AIR BAGS:CRITICAL FASTENERS
General Motors, LLC (GM) is recalling certain 2010-2015, 2017 Buick Enclave, 2010-2019 Chevrolet Traverse, and 2011-2016 GMC Acadia vehicles. The side curtain air bags may not be properly attached.
AIR BAGS:FRONTAL
General Motors, LLC (GM) is recalling certain 2008-2017 Buick Enclave and 2013-2017 Chevrolet Traverse vehicles. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.
SEATS
General Motors LLC (GM) is recalling certain model year 2016 Chevrolet Traverse, GMC Acadia, and Buick Enclave vehicles manufactured November 6, 2015, to November 12, 2015. The affected vehicles have a the third row left lower seat frame that may have welds that are not in the correction location.
VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
General Motors LLC (GM) is recalling certain model year 2016 Chevrolet Traverse, GMC Acadia, and Buick Enclave vehicles manufactured August 18, 2015 to September 24, 2015. Due to a manufacturing defect, the windshield wiper motor may overheat when used.
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Frequently Asked Questions
What are the most common Buick Enclave problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2012 Buick Enclave has 3 documented issues. Documented issues include: Stretched/Worn Timing Chain on 3.6L V6, Water Pump Leak / Coolant Loss on 3.6L V6, HVAC Blend Door Actuator Failure. Of these, 1 is rated critical and should be addressed promptly.
Is the Buick Enclave reliable?
The 2012 Buick Enclave has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Stretched/Worn Timing Chain on 3.6L V6. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Buick Enclave problems?
Repair costs for known Buick Enclave issues range from $200 to $3,400, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Stretched/Worn Timing Chain on 3.6L V6, typically costs $3,200-$3,400 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2008-2013 Buick Enclave Stretched/Worn Timing Chain on 3.6L V6?
The 3.6L high-feature V6 in 2008-2013 Enclaves is prone to timing chain stretch and worn chain guides/tensioners, sometimes appearing as early as 40,000-60,000 miles. As the chain elongates, valve timing drifts, triggering misfires and a rattle at idle/startup; if a chain jumps a… Repairs typically run $3,200-$3,400. Severity: high.
What is the 2008-2017 Buick Enclave Water Pump Leak / Coolant Loss on 3.6L V6?
The 3.6L V6 in the Enclave is known for water pump failure: GM bulletins describe leaks from the water pump shaft seal, often made worse by running the engine with a low coolant level, which can lead to pump failure. Owners frequently find coolant puddling after the car is parked… Repairs typically run $495-$1,100. Severity: medium.
What is the 2010-2012 Buick Enclave HVAC Blend Door Actuator Failure?
Enclave owners report failed HVAC blend-door actuators. Because multiple actuators control temperature blend, vent direction, and recirculation, a failure leaves one zone stuck hot or cold. The part itself is inexpensive but labor varies widely by which actuator failed. Repairs typically run $200-$600. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.