Power Transfer Unit Case Identification: Notes

2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Notes
GM5400584Courtesy of GENERAL MOTORS COMPANY

The transfer case primary identification label (1) is located on the rear extension housing. The transfer case secondary identification stamping (2) is located on the bottom of the main housing.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.