The 2023 Chevy Colorado’s Howling Or Moaning Rear Axle Noise Fix Is Released By GM

A new service bulletin for the 2023 Chevy Colorado has been produced by General Motors in response to a howling or moaning noise that has been detected near the pickup’s rear end. The service bulletin, which goes by the number 23-NA-208, was first issued in November of last year. The bulletin is limited to cars built in 2023.

According to the updated notice, some 2023 Chevy Colorado owners have reported that their pickup makes a howling, groaning, or growling sounds near the back of the car. The rear axle shafts’ outer bearing surface, which may have machining chatter on its surface, could be the source of this noise.]

The notice states that if the differential carrier bearings are not the source of the sound, technicians should remove the axle shafts. It is advised that the axle shaft, bearing, and seal be changed if the technician notices chatter marks on the axle shaft. If the axle shaft needs to be changed, the estimated labour time needed to fix this problem might be two and a half hours.

In case readers are not aware, the first model year of the most recent third generation of the pickup is 2023 Chevy Colorado. The completely redesigned 2023 model year features a new cabin, a new turbocharged engine, and more.

The Trail Boss trim, which was previously available as a package upgrade for LT and Z71, has been included to the new array of trim levels. Along with a number of standard safety features like Front Pedestrian Braking, Automatic Emergency Braking, and Forward Collision Alert, the cabin also has an 11.3-inch colour infotainment screen.

The Turbo 2.7L I4 L2R gasoline engine, the Turbo Plus 2.7 L I4 L3B gasoline engine, and the Turbo High-Output 2.7L I4 L3B gasoline engine were the three engine options available for the 2023 model year. According to earlier GM Authority coverage, the Turbo Plus 2.7 L I4 L3B engine option was eliminated for the 2024 model year.

The revised 31XX-2 platform lies under the surface, and the GM Wentzville plant in Missouri is the site of production.

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