TrailBlazer 4WD L6-4.2L VIN S (2002)
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
