C 3500 HD Truck 2WD V8-6.5L DSL Turbo VIN F (2001)
Housing Assembly HVAC: Service and Repair
HEATER/VENT MODULE REPLACEMENT (I)
REMOVAL PROCEDURE
1. Drain the coolant.
2. Remove the instrument panel storage compartment.
3. Disconnect the electrical connectors, as necessary.
4. Remove the center floor air distribution duct.
5. Remove the hinge pillar trim panels.
6. Remove the blower motor cover.
7. Remove the blower motor.
8. Remove the steering column.
9. Roll back the instrument panel.
10. Remove the coolant recovery reservoir.
11. Remove the heater hoses.
12. While holding the HVAC module to the cowl, remove the screw on the interior side of the cowl, near the evaporator pipe, if equipped
13. On the engine side of the cowl, remove the 4 screws that hold the HVAC module to the cowl.
14. On the engine side of the cowl, remove the 2 nuts that hold the HVAC module to the cowl.
15. Remove the HVAC module.
INSTALLATION PROCEDURE