GM Service Manual Online
For 1990-2009 cars only
  1. Perform the following adjustment procedures to properly align the roof lift off panel.
  2. Remove the windshield upper garnish molding. Refer to Windshield Upper Garnish Molding Replacement.
  3. Remove the windshield pillar garnish molding. Refer to Windshield Pillar Garnish Molding Replacement.
  4. To adjust the front striker perform the following steps:
  5. 4.1. Loosen the front striker, move the striker forward or rearward (fore/aft) to match the alignment of the latch handle.
    4.2. loosen the striker, move the roof striker bolt outboard and slightly loosen the inboard bolt, pivot the striker on the inboard bolt in 2 mm (0.08 in) increments.

    Caution: Refer to Fastener Caution in the Preface section.

    4.3. Tighten the striker fastener.

    Tighten
    Tighten the fastener to 10 N·m (89 lb in).

    4.4. When the striker is properly adjusted the handle will snap closed.
  6. Install the windshield upper garnish molding. Refer to Windshield Upper Garnish Molding Replacement.
  7. Install the windshield pillar garnish molding. Refer to Windshield Pillar Garnish Molding Replacement.

  8. Object Number: 63745  Size: SH
  9. For major rear latch adjustment adjust the rear latch striker performing the following steps:
  10. 7.1. Remove the roof lift off panel.
    7.2. Loosen the rear latch striker attaching bolts.
    7.3. Adjust the position of the latch striker forward or rearward for major adjustment.
    7.4. Tighten the striker attaching fastener.

    Tighten
    Tighten the fastener to 10 N·m (89 lb in).

    7.5. Install the roof lift off panel.

    Object Number: 167241  Size: SH
  11. For minor rear latch adjustment, adjust the latch handle hook one turn at a time to achieve moderate pressure to the latch as follows.
  12. 8.1. Remove the roof lift off panel.
    8.2. Loosen the set screw locking the latch hook.
    8.3. Turn the hook in to tighten or out to loosen.
    8.4. Tighten the set screw.
    8.5. Install the roof panel.

    Object Number: 167242  Size: SH
  13. To adjust the rear locator perform the following steps:
  14. 9.1. With the roof installed on the vehicle loosen the locator mounting bolts.
    9.2. Reposition the locator.
    9.3. Tighten the mounting fastener.

    Tighten
    Tighten the fastener to 10 N·m (89 lb in).