Envoy 4WD V8-5.3L VIN M (2005)
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).
3. Install the HVAC module mounting bolts (5).
Tighten the bolts to 10 N.m (89 lb in).
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the air outlet ducts (5).
5. Connect the electrical connectors.
6. Install the right side rear quarter trim panel.
7. Raise and support the vehicle.
8. Connect the heater hoses to the heater core.
9. Install the nuts to the HVAC module studs.
Tighten the nuts to 10 N.m (89 lb in).
10. Remove the cap or tape from the A/C lines.
11. Install the new O-ring seals.