GM Issues A Fix For Rear Bearing Noise In The Chevy Blazer And Traverse

General Motors has launched a Customer Satisfaction Programme for certain 2021–2024 Chevy Blazer and Chevy Traverse models related to an unsettling noise emanating from the back of the car.

Choose the 2021–2024 model year. Some owners of Blazer and Traverse vehicles may experience a problem where, when travelling between 20 and 70 mph, they hear a humming, whining, or screeching sound emanating from the back of the car. In an attempt to reproduce the noise, certified GM technicians are to inspect the impacted vehicles and conduct a test drive. In the event that this turns out to be the case, the technicians will need to spend a little less than four hours replacing the torque tube assembly.

This Customer Satisfaction Programme covers a variety of vehicles, including:

  • 2021 to 2023 GMC
  • 2021 to 2024, Acadia Buick Enclave 
  • 2021 to 2024 XT5 Cadillac 
  • 2021–2024 XT6 Cadillac 
  • 2021–2024 Chevrolet Blazer 
  • 2021 to 2024 Chevrolet Traverse

It’s important to note that a damaged bearing is probably the source of this noise.

Recall that the 2.0L I4 LSY turbocharged gasoline engine, which produces 228 horsepower and 258 pound-feet of torque, or the 3.6L V6 LGX normally aspirated gasoline engine, which produces 308 horsepower and 270 pound-feet of torque, power the Chevy Blazer. The foundation is provided by the GM C1 platform, and production is handled by the GM Ramos Arizpe facility in Mexico. Notably, for the 2023 model year, the Blazer had a mid-cycle redesign.

In contrast, the normally aspirated 3.6L V6 LFY gasoline engine, which produces 266 pound-feet of torque and 310 horsepower, is the only one available for the Chevy Traverse. While production is carried out at the GM Lansing Delta Township factory in Michigan, the GM C1 platform is also located beneath the surface. Naturally, construction of the next-generation Traverse is scheduled to begin in February 2024.

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