GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1618020  Size: SH
  1. Disconnect the negative battery cable.
  2. Open the tailgate.
  3. Remove the rear window wiper motor assembly. Refer to Rear Window Wiper Motor Replacement .
  4. Disconnect the tailgate lock rod (3).
  5. Remove the nuts from the tailgate lock cylinder (2).
  6. Remove the tailgate lock cylinder (1).

Installation Procedure


    Object Number: 1618020  Size: SH
  1. Install the tailgate lock cylinder (1).
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the nuts to the tailgate lock cylinder (2).
  4. Tighten
    Tighten the tailgate lock cylinder nuts (2) to 5 N·m (44 in lb).

  5. Connect the tailgate lock rod (3).
  6. Install the rear window wiper motor assembly. Refer to Rear Window Wiper Motor Replacement .
  7. Connect the negative battery cable.