C 3500 HD Truck 2WD V8-8.1L VIN G (2002)
11. On the engine side of the cowl, remove the 4 screws that hold the HVAC module to the cowl.
12. On the engine side of the cowl, remove the 2 nuts that hold the HVAC module to the cowl.
13. Remove the HVAC module.
INSTALLATION PROCEDURE
1. Install the HVAC module.
2. On the engine side of the cowl, install the nuts that hold the HVAC module to the cowl.
3. On the engine side of the cowl, install the 4 screws that hold the HVAC module to the cowl.