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_____________________ Heating/Ventilation/Air Conditioning (HVAC) 11-39 ® 05745159 MAIN UNIT REPLACEMENT Removal 1. Drain Coolant into an approved container. 2. Recover refrigerant. 3. Remove raincap and adapter. 4. Remove air intake elbow, air cleaner and splash shield. 5. Remove 4 bolts securing heater core extension tubes. Plug Figure 11-62: Heater Core Extension Tube Removal 6. Remove any pliable sealer from exterior of the 7. Remove the center console. 8. Remove the right side crash pad. 9. Remove the fastener from passenger side closeout panel. 10. Lower panel down to gain access to the floor outlet hose, remove the screw securing the hose, and remove the 11. Remove 2 screws securing the passenger side of auxiliary heat/cool unit. Raise the cover up approximately 2" and 12. Remove the front passenger seat, and the right front inner and outer kick panels. NOTE: Panels are removed to prevent damage that would oc- 13. Note HVAC harness positioning prior to removal/ disconnect. 14. Disconnect the vacuum motor harness, engine HVAC harness, water valve harness, temperature blend door Figure 11-63: Harness/Connector Identification 15. Pull harnesses clear of HVAC unit and secure. 16. Remove screw(s) securing the floor duct to the top of the HVAC unit. Disconnect the hose going to the passenger 17. Remove bolt securing HVAC manifold block to expansion valve and discard sealing gasket. Cap all openings 18. Remove 2 nuts, washers, and grommets from passthrough mounts (Figure 11-64). Figure 11-64: Passthrough Fastener Removal 19. Remove interior bolt securing left and right side of the HVAC unit to the body. Support the unit prior to removing 20. Removal of the unit can be accomplished by lowering and pulling straight rearward. 00-S11-005 HEATER CORE EXTENSION TUBE HEATER CORE EXTENSION TUBE POWER MIRROR ENGINE HVAC VACUUM CONTROL RELAYS RESISTOR TEMP BLEND BLOWER MOTOR CYCLING POWER LOCKS 7-S11-062 MANIFOLD BLOCK PASS THROUGH MOUNT HEATER CORE EXTENSION TUBE |