Chevrolet Silverado / GMC Sierra. Service manual — part 2774

Fig. 9: Water Gutter & Retainers
Courtesy of GENERAL MOTORS CORP.

1. Position the sunroof water gutter to the sunroof window track.

2. Seat the retaining tabs (1) on the water gutter (3) into the slots (2) in the track, and push the

water gutter forward until the retaining tabs lock into place.

3. Ensure that all 6 tabs are secured.

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Sunroof - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 10: Screws And Water Gutter
Courtesy of GENERAL MOTORS CORP.

4. Install the water gutter screws (1).

Tighten: Tighten the screws to 2 N.m (18 lb in).

5. Install the sunroof module. Refer Sunroof Module Assembly Replacement.

6. Open the sunroof window to the fully open position.

7. Install the air deflector. Refer to Sunroof Air Deflector Replacement (Extended Cab)

or Sunroof Air Deflector Replacement (Crew Cab).

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Sunroof - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

8. Remove the tape from around the perimeter of the sunroof window.

9. Verify that the sunroof is operating properly.

SUNROOF HOUSING FRONT DRAIN HOSE REPLACEMENT

Removal Procedure

1. Remove the instrument panel trim. Refer to Instrument Panel Upper Trim Panel with

Windshield Defroster Nozzle Grille Replacement (without RPO SLT) or Instrument
Panel Upper Trim Panel with Windshield Defroster Nozzle Grille Replacement (with
RPO SLT) .

2. It is only necessary to lower the headliner. Only do those steps in headliner replacement that

will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel
Replacement (Regular Cab) or Headlining Trim Panel Replacement (Crew Cab) or
Headlining Trim Panel Replacement (Extended Cab) .

IMPORTANT: It is only necessary to lower the headliner. Only do those

steps in headliner replacement that will lower the headliner
enough to gain access.

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Sunroof - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 11: Front Sunroof Drain Hose From Sunroof Module Front Spigot
Courtesy of GENERAL MOTORS CORP.

3. Disconnect the front sunroof drain hose from the sunroof module front spigot, right or left

side, as needed.

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Sunroof - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado