Installation Procedure

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Transfers all parts as necessary.

CAUTION: Refer to Fastener Caution

Insert the sunroof housing assembly to the gauge pin location in the opening.
Tighten the three fasteners.

Fig 1: Sunroof Housing Fasteners

Courtesy of GENERAL MOTORS CORP.

Install the sunroof housing assembly with the remaining fasteners and tighten to 9 N.m (80 lb in).
Connect the front wiring harness actuation unit.
Connect the 2 wiring harness plugs.
Install the rear water drain hose actuation unit.
Connect the 2 hoses and apply tie straps if required.
Install the front water drain hose actuation unit.
Connect the 2 hoses and apply tie straps if required.
Verify the operation of the sunroof.
Water test the vehicle before installing the headliner.
Install the headlining. Refer to Headlining Trim Panel Replacement (With Sunroof) or Headlining Trim Panel Replacement (Without Sunroof) .