Rainier 2WD V8-5.3L VIN P (2004)
11. Disconnect the electrical connectors from the HVAC module.
12. Disconnect the rear compartment air outlet ducts (5) from the HVAC module (3).
13. Remove the mounting bolts (5) from the HVAC module.
14. Remove the HVAC module (1).
15. Remove and discard the HVAC module pass through seal.
INSTALLATION PROCEDURE
1. Install new HVAC module pass through seal.
2. Install the HVAC module (1).