Chevrolet Silverado / GMC Sierra. Manual — part 2346

3. Install the screws to the HVAC module assembly.

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

4. Install the mode actuator to the HVAC module assembly.

5. Install the screws to the mode actuator.

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

6. Connect the electrical connector to the mode actuator.

7. Install the instrument panel. Refer to Instrument Panel Service Positioning (Without

SLT) or Instrument Panel Service Positioning (With SLT) .

HEATER CORE COVER REPLACEMENT

Fig. 127: View Of Heater Core Cover & Screw
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: For every heat stake removed ensure that you install a screw.

2008 Chevrolet Silverado 1500

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

Silverado

HEATER CORE REPLACEMENT

Callout

Component Name

Preliminary Procedure:
Remove the HVAC module. Refer to HVAC Module Assembly Replacement.

1

Heater Core Cover Screw

Tighten: 1.5 N.m (13 lb in)

NOTE:

Refer to Fastener Notice .

2

Heater Core Cover

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 128: View Of Heater Core & Components
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedure

1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement.

2. Disconnect the wiring harness retainer from the heater core cover.

1

Heater Core Cover Screw

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

Silverado

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS

Tighten: 1.5 N.m (14 lb in)

2

Heater Core Cover

Tighten: 1.5 N.m (14 lb in)

3

Heater Core Pass Through Seal

4

Heater Core

Illustration

Tool Number/ Description

J 26549-E

Orifice Tube Remover

J 39400-A

Halogen Leak Detector

J 41425

A/C Line Repair Kit

2008 Chevrolet Silverado 1500

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

Silverado