What are the most common GMC Acadia problems?
According to Au7o's analysis of 560+ owner reports, the 2021 GMC Acadia has 7 documented issues. The most frequently reported are: 3.6L V6 Internal Water Pump Failure and Coolant Leak, Recall 21V422: Improperly Seated Fuel Supply Lines Can Leak (Fire Risk), 9T65 9-Speed Transmission Harsh Shifts and Hesitation. Of these, 2 are rated critical and should be addressed promptly.
Is the GMC Acadia reliable?
The 2021 GMC Acadia has 7 known issues documented across 560+ owner reports. 2 issues are rated critical: 3.6L V6 Internal Water Pump Failure and Coolant Leak and Recall 21V422: Improperly Seated Fuel Supply Lines Can Leak (Fire Risk). 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 GMC Acadia problems?
Repair costs for known GMC Acadia issues range from $0 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2007-2023 GMC Acadia 3.6L V6 Internal Water Pump Failure and Coolant Leak?
GM customer-satisfaction bulletin 13079 covers certain 2009-2013 GMC Acadia vehicles with 3.6L High Feature V6 engines (RPO LY7 or LLT) that may experience leakage from the water-pump shaft seal, often after operation with low coolant. Severity: high.
What is the 2021 GMC Acadia Recall 21V422: Improperly Seated Fuel Supply Lines Can Leak (Fire Risk)?
GM issued safety recall 21V422000 (GM number N212335590) covering a small number of 2021 GMC Acadia crossovers built alongside the 2021 Cadillac XT5 and XT6. On the affected Acadias, the fuel supply lines may not have been properly attached and seated during assembly. A line that… Severity: high.
What is the 2017-2025 GMC Acadia 9T65 9-Speed Transmission Harsh Shifts and Hesitation?
The second-generation Acadia (2017+) uses the GM 9T65 9-speed automatic transmission which shares known issues with the Chevrolet Traverse and Blazer. Common complaints include harsh 1-2 upshifts, hesitation between 5-15 mph, lurching on light throttle in stop-and-go traffic, and… Repairs typically run $0-$3,500. Severity: medium.
What is the 2017-2021 GMC Acadia Infotainment System Lockup, Black Screen and Random Reboots (2nd-Gen IO/IOR Head Unit)?
GM bulletin 22-NA-033 covers 2019 GMC Acadia vehicles equipped with IOS, IOU or IOT radios that can reset or reboot and display the GMC splash animation. Bluetooth-call or touch-input symptoms can occur immediately before the reboot. Severity: medium.
What is the 2020-2021 GMC Acadia Surround Vision Rearview Camera Coaxial Cable Crimp Failure - Black/Lost Backup Image (Recall 22V709 / N222378380)?
NHTSA campaign 22V709 covers certain 2020-2021 GMC Acadia vehicles with optional Surround Vision. Improperly crimped rearview-camera coaxial connectors can cause the camera image to fail or work intermittently. Severity: medium.
What is the 2020-2021 GMC Acadia Surround Vision Rearview Camera Failure From Improperly Crimped Coaxial Cable (Recall 22V709000)?
GMC recalled 2020-2021 Acadia SUVs built with the optional Surround Vision camera package because the coaxial cable connectors feeding the rearview camera may have been crimped improperly at assembly. On an affected Acadia, that bad crimp can interrupt the video signal, so the re… Severity: medium.
What is the 2007-2021 GMC Acadia HVAC Blend Door Actuator Gear Stripping — Clicking Dash and Cold Air on One Side Only?
The dual-zone HVAC case uses several small plastic-geared blend/mode door actuators. The gear teeth strip or the door binds, so the actuator hunts for its calibration position and produces a repetitive clicking or ticking from behind the dash or glovebox. The classic complaint is… Repairs typically run $120-$450. Severity: low.
