GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 TrailBlazer - 4WD 🢒 Body and Accessories 🢒 Body Rear End 🢒 Liftgate Lock Cylinder Replacement

Removal Procedure
  1. Remove the rear wiper motor. Refer to Rear Window Wiper Motor Replacement .

    2. Object Number: 721374 Size: SH
  2. Remove the lock rod from the lock cylinder.

    3. Object Number: 721379 Size: SH
  3. Remove the C clip from the groove in the lock cylinder.
  4. Remove the lock cylinder from the liftgate.

Installation Procedure

    Object Number: 721379 Size: SH
  1. Install the lock cylinder to the liftgate.
  2. Install the C clip to the groove in the lock cylinder.

    3. Object Number: 721374 Size: SH
  3. Install the lock rod to the lock cylinder.
  4. Install the rear wiper motor. Refer to Rear Window Wiper Motor Replacement .