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electrical harness on the headliner is connected to the large roof, battery power is applied and the 1. Press the sunroof switch to the VENT OPEN position until the window stall at the front hard stop in the VENT OPEN position, and then moves slightly to the soft stop position. 2. Within 3 seconds, press and hold the sunroof switch-vent open again. The sunroof window will move toward and past the flush position. (This is the teach portion). 3. Continue holding the switch until the sunroof window moves to full open and then back to close and stops at the closed position. Release the button. The initialization/teach procedure 4. Verify the operation of the roof. The initialization/teach procedure is not completed if one of the following events occurs before The sunroof switch is not held in the VENT OPEN position. Ignition and/or battery power has not been removed. Glass panel has not reached the CLOSE position. If the initialization/teach procedure is not carried out completely, it must be started again. SUNROOF MOTOR/ACTUATOR REPLACEMENT (EXTENDED CAB) Removal Procedure
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Sunroof - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 30: Sunroof Motor/Actuator 1. It is only necessary to lower the headliner. Only do those step in headliner replacement that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel 2. Disconnect the electrical connector (1) from the motor/actuator. 3. Remove the screws (2) from the sunroof motor/actuator. 4. Pull straight down to disengage the drive gear from the cables housed within the sunroof cable drive tubes. 5. Remove the sunroof motor/actuator (3) from the sunroof module. IMPORTANT: The sunroof motor/actuator drive shaft turns in both directions and contains no limit switches. You may replace
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Sunroof - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Installation Procedure Fig. 31: Sunroof Motor/Actuator 1. Position the sunroof motor/actuator (3) to the sunroof module. 2. Push the sunroof motor/actuator straight upward to engage the drive gear between the cables housed within the sunroof cable drive tubes. 3. Install the sunroof motor/actuator screws (2) to the sunroof actuator. Tighten: Tighten the screws to 4 N.m (35 lb in). 4. Connect the electrical connector (1) to the sunroof motor/actuator. 5. Install the headliner. Refer to Headlining Trim Panel Replacement (Regular Cab) or Headlining Trim Panel Replacement (Crew Cab) or Headlining Trim Panel NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Sunroof - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Replacement (Extended Cab) . 6. Initialize/teach the sunroof motor/actuator. Refer to Sunroof Motor/Actuator Initialization/Teach Process (Extended Cab New Motor) or Sunroof Motor/Actuator 7. Inspect the sunroof for proper operation. 8. Refer to Control Module References for programming and setup information. SUNROOF MOTOR/ACTUATOR REPLACEMENT (CREW CAB) Fig. 32: View Of Sunroof Motor/Actuator (Crew Cab) Callout Component Name Preliminary Procedure: Headliner Trim Panel Console Bracket Bolt (Qty: 2)
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Sunroof - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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