C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
Control Module HVAC: Service and Repair
REMOVAL PROCEDURE
1. Remove the instrument panel accessory trim plate.
2. Remove the screws from the HVAC control module.
3. Depress the control assembly retaining tabs and remove the HVAC control module from the instrument panel.
4. Disconnect the electrical connectors from the HVAC control module.
INSTALLATION PROCEDURE
1. Connect the electrical connectors to the HVAC control module.
2. Install the HVAC control module into the instrument panel, ensuring that the HVAC control module retaining tabs lock into place.
NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners
requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints,
lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping
force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts
and systems.
3. Install the screws to the HVAC control module.
Tighten
Tighten the screws to 1.9 N.m (17 lb in).
4. Install the instrument panel accessory trim plate.
