Reservoir to Expansion Valve
REMOVAL
WARNING: REFER TO THE APPLICABLE WARNINGS AND CAUTIONS FOR THIS SYSTEM BEFORE PERFORMING THE FOLLOWING OPERATION. FAILURE TO FOLLOW THE WARNINGS AND CAUTIONS COULD RESULT IN POSSIBLE PERSONAL INJURY OR DEATH.
RESERVOIR TO EXPANSION VALVE
1. Disconnect and isolate the negative battery cable
2. Remove the cover from the rear A/C evaporator housing .
3. Recover the refrigerant from the rear refrigerant system.
4. Remove the cover from the rear A/C condenser housing.
Rear Liquid Line - Reservoir To Expansion Valve:
5. Disconnect the rear liquid line from the reservoir and remove and discard the O-ring seal.
6. Disconnect the rear liquid line from the rear expansion valve and remove and discard the O-ring seal.
7. Disengage the liquid line grommet from the roof panel and remove the liquid line.
8. Install plugs into, or tape over the opened rear liquid line fittings and reservoir and expansion valve ports.
INSTALLATION
1. Remove the tape or plugs from the rear liquid line fittings and the reservoir and expansion valve ports.
2. Lubricate new O-ring seals with clean refrigerant oil and install them onto the rear liquid line fittings. Use only the specified O-ring seals as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the rear A/C compressor in the vehicle.
3. Connect the rear liquid line to the rear A/C expansion valve. Tighten the nut to 35 N.m (26 ft. lbs.).
4. Route the liquid line through the opening in the roof and engage the grommet to the roof panel.
5. Connect the rear liquid line to the rear refrigerant reservoir. Tighten the nut to 35 N.m (26 ft. lbs.).
6. Reconnect the negative battery cable.
7. Evacuate the rear refrigerant system.
8. Charge the rear refrigerant system.
9. Install the cover onto the rear A/C evaporator housing.
10. Install the cover onto the rear A/C condenser housing.