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Home >> Jeep Truck >> 2009 >> Commander 4WD V8-4.7L >> Repair and Diagnosis >> Heating and Air Conditioning >> Housing Assembly HVAC >> Service and Repair >> Removal and Replacement >> Front HVAC Housing Installation

Front HVAC Housing Installation






HOUSING-HVAC ASSEMBLY

NOTE: The HVAC housing must be removed from the vehicle and disassembled for service of the air inlet housing, air distribution housing and the A/C evaporator.

NOTE: LHD model shown in illustrations. RHD model similar.





1. Position the HVAC housing assembly (2) into the passenger compartment side of the dash panel (3). Make sure that the condensate drain tube protrudes through the opening in the floor panel.
2. Loosely install the nut (1) that secures the HVAC housing to the passenger compartment side of the dash panel.





3. Install the two bolts (1) that secure the HVAC housing assembly (2) to the engine compartment side of the dash panel (3). Tighten the bolts to 7 Nm (62 in. lbs.).
4. Connect the heater hoses to the heater core tubes.
5. Connect the A/C suction line and A/C liquid line to the A/C evaporator A/C Liquid Line - Installation.





6. Tighten the nut (1) that secures the HVAC housing assembly (2) to the passenger compartment side of the dash panel (3) to 7 Nm (62 in. lbs.).





7. Connect the right front floor duct (5) and left front floor duct (6) to the air distribution housing (4).
8. Connect the rear floor distribution duct (3) to the air distribution housing.
9. Connect the left rear floor duct (1) and the right rear floor duct (2) to the rear floor distribution duct.





10. Position the gear selector (3) to its installed location on the floor panel (6) and securely install the retaining screws (5).
11. Connect the front console duct (2) to the air distribution housing (4) and engage the push-pin retainer (1) to the gear selector.
12. Install the instrument panel Instrument Panel - Installation.
13. Install the floor console Floor Console - Installation.
14. Reconnect the negative battery cable.
15. If the heater core is being replaced, flush the cooling system Service and Repair.
16. Refill the engine cooling system Service and Repair.
17. Evacuate the refrigerant system Refrigerant System Evacuate.
18. Charge the refrigerant system Refrigerant System Charge.
19. Initiate the Actuator Calibration function using a scan tool . HVAC System Test

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