Colorado 4WD L5-3.7L (2007)
Tighten
Tighten the screws to 1 Nm (9 lb in).
Condition 2
A leak condition between the lower sunroof frame (2) and the upper sunroof frame (3) at the window weather seal (4).
Cause 2
The seal on the upper sunroof frame assembly may not have enough sealant under the seal.
Correction 2
Apply GM(TM) Weatherstrip Adhesive, P/N 12345097 (in Canada, 10953479) to the weatherstrip sealing flange located in the upper sunroof frame.
Condition 3
A leak from the sunroof window glass and sunroof window seal.
Cause 3
The sunroof window seal may be deformed or compressed, not allowing the sunroof window glass to seal properly.
Correction 3
Replace the sunroof window seal following the steps below:
1. Open the sunshade to the full open position.
2. Remove the old sunroof window seal (1) from the frame (2). Refer to Sunroof Window Seal Replacement in SI.
3. Install the new seal. Refer to Sunroof Window Seal Replacement in SI.
