If your model-year 2020 through 2023 GMC Acadia has developed front-end noise when turning or when driving over bumpy surfaces, GM has identified a possible cause and available fix, according to a recent service bulletin.
Front end noise in GMC Acadia crossovers from the 2020 to 2023 model years that occurs under the driving conditions described may result from a misaligned front strut spring rubbing against the fender, as noted in General Motors Technical Service Bulletin 22-NA-239.
Dealerships are instructed to inspect potentially affected GMC Acadia vehicles front strut spring to see if it has rotated out of alignment and is in contact with the fender. The inspection requires approximately 10 minutes. If there is contact between the two components, the dealer should proceed with the fix.
If the strut spring’s black finish is worn off, it should be replaced with a new component. However, if the finish is still intact, the dealer service personnel should remove the spring, use soap and water to thoroughly clean mold release agent off the spring isolator and the spring isolator seat, then reinstall the same spring in the correct alignment. The fix takes about an hour to complete for this model.
As a reminder, the 2023 GMC Acadia is the final model year for the crossover’s second generation and is smaller than the third-gen 2024 GMC Acadia that succeeds it.
The vehicle is powered by one of two powerplant choices, the turbocharged 2.0L I4 LSY gasoline engine cranking out 228 horsepower at 5,000 rpm and 258 pound-feet of torque at 1,500 rpm, and the naturally aspirated 3.6L V6 LGX gasoline engine developing 310 horsepower at 6,600 rpm and 271 pound-feet of torque at 5,000 rpm.
Both engines are mated to the GM nine-speed automatic transmission. Under the skin, the GMC Acadia uses the GM C1 platform for structure, while production takes place at the GM Spring Hill plant in Tennessee.
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GM Authority has helped me determine the cause several issue with my 2021 Acadia… Torque Convertor premature wear, exhaust resonator rattle and now this mis-aligned strut. Thank you.