Chevrolet Silverado / GMC Sierra. Service manual — part 2339

Fig. 100: Turning Blower Assembly Clockwise (Delphi)
Courtesy of GENERAL MOTORS CORP.

2. Install the blower motor to the heater/ventilation module. Turn the blower assembly

clockwise until the retaining tab locks into place.

3. Install the blower motor insulating cover.

4. Connect the electrical connector to the blower motor.

5. Install the blower motor insulating cover screws.

Tighten: Tighten the screws to 1.6 N.m (14 lb in).

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

6. If equipped, install the sound insulator panel. Refer to Instrument Panel Insulator

Replacement (with RPO SLT) or Instrument Panel Insulator Replacement (without
RPO SLT) .

AIR DISTRIBUTOR DUCT REPLACEMENT

Fig. 101: View Of Air Distributor Duct, Bolts & Rivets
Courtesy of GENERAL MOTORS CORP.

SIDE WINDOW AIR OUTLET REPLACEMENT

Callout

Component Name

Preliminary Procedure:
Remove the instrument panel to the service position. Refer to Instrument Panel Service
Positioning (Without SLT) or Instrument Panel Service Positioning (With SLT) .

1

Air Distributor Bolts and Rivets (Qty: 6)

Tighten: 2.5 N.m (16 lb in)

NOTE:

Refer to Fastener Notice .

2

Air Distributor Duct

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 102: View Of Side Window Air Outlets
Courtesy of GENERAL MOTORS CORP.

INSTRUMENT PANEL OUTER AIR OUTLET REPLACEMENT - LEFT SIDE (WITHOUT RPO
SLT)

Callout

Component Name

1

Air Outlet Assembly - Side Window - Left
Tip: Insert a flat-bladed plastic trim tool along the forward edge of the outlet
and release the retaining tabs securing the outlet to the instrument panel.

2

Air Outlet Assembly - Side Window - Right
Tip: Insert a flat-bladed plastic trim tool along the left inboard edge of the
outlet and release the retaining tabs securing the outlet to the instrument panel.

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 103: View Of Instrument Panel Trim Plate & Air Outlet Assembly
Courtesy of GENERAL MOTORS CORP.

INSTRUMENT PANEL OUTER AIR OUTLET REPLACEMENT - LEFT SIDE (WITH RPO SLT)

Callout

Component Name

1

Instrument Panel Trim Plate
Refer to Instrument Panel Trim Plate Replacement (Without RPO SLT)

2

Instrument Panel Air Outlet Assembly - Left
Tip: Release the retaining tabs securing the outlet to the instrument panel trim
plate.

2008 Chevrolet Silverado 1500

2008 HVAC Heating, Ventilation, and Air Conditioning - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado