HVAC Housing - Installation

HOUSING-HVAC

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





1. Position the HVAC housing assembly (2) to the dash panel (3). Be certain that the passenger side of the HVAC housing is correctly located over the dash panel mounting stud.
2. Install the nut (1) that secures the HVAC housing to the passenger compartment side of dash panel. Tighten the nut to 4.5 Nm (40 in. lbs.).
3. Install the condensation drain tube Installation.
4. Install the rear floor ducts Floor Distribution Ducts - Installation.
5. Install the instrument panel Instrument Panel - Installation.




6. Remove the previously installed plugs or caps and connect the heater hoses (4) to the heater core tubes.
7. Remove the tape or plugs from the refrigerant line fittings and the evaporator ports.
8. Lubricate the rubber O-rings on new dual-plane seals with clean refrigerant oil and install the seals onto the liquid and suction line fittings. Use only the specified seals as they are made of special materials compatible to the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
9. Connect the A/C liquid and suction line assembly (2) to the A/C evaporator (3).
10. Install the bolt (1) that secures the A/C liquid and suction line assembly to the A/C evaporator. Tighten the bolt to 25 Nm (18 ft. lbs.).




11. Position the heat shield (3) onto the three studs (1) located on the dash panel in the engine compartment.
12. Install the three nuts (2) that secure the heat shield to the dash panel. Tighten the nuts to 1 Nm (10 in. lbs.).
13. Reconnect the negative battery cable.
14. If the heater core is being replaced, flush the cooling system Service and Repair.
15. Refill the engine cooling system Service and Repair.
16. Evacuate the refrigerant system Refrigerant System Evacuate.
17. Charge the refrigerant system Refrigerant System Charge.
18. Initiate the Actuator Calibration function using a scan tool HVAC System Test.