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Home >> Chevrolet >> 2021 >> Trailblazer L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Power Transfer Unit AAM >> Repair Instructions - On Vehicle >> Power Transfer Unit Shift Actuator Replacement
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Power Transfer Unit Shift Actuator Replacement

GM5263000Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedure

  1. Drivetrain and Front Suspension Cradle Removal and Installation (AWD) , or Drivetrain and Front Suspension Cradle Removal and Installation (FWD)
  2. Disconnect the electrical connectors.
  3. Release the retainers.
1 Power Transfer Unit Shift Actuator Bolt-Double End Stud [2x]
Tighten 
9 N.m (80 lb in)
2 Power Transfer Unit Shift Actuator Bolt [2x]
Tighten 
9 N.m (80 lb in)
3 Power Transfer Unit Shift Actuator
NOTE:

The shift fork must be lined up with the shift collar when it is installed.

4 Power Transfer Unit Shift Actuator Seal
Procedure 
Inspect and replace as necessary.