Front

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.




1. Recover the refrigerant from the refrigerant system.
2. Disconnect and isolate the negative battery cable.
3. Remove the A/C suction line (1) and the A/C liquid line (2) from the A/C expansion valve (3).




4. Remove the two bolts (1) that secure the A/C expansion valve (2) to the evaporator tube tapping block (3).
5. Remove the A/C expansion valve from the evaporator tube tapping block and remove and discard the O-ring seals.
6. Install plugs in, or tape over the opened evaporator tube fittings and all expansion valve ports.

INSTALLATION




1. Remove the tape or plugs from the evaporator tube fittings and all of the expansion valve ports.
2. Lubricate new rubber O-ring seals with clean refrigerant oil and install them on the evaporator tube fittings. Use only the specified O-rings as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
3. Install the A/C expansion valve (2) onto the evaporator tube tapping block (3).
4. Install the two bolts (1) that secure the A/C expansion valve to the evaporator tube tapping block. Tighten the bolts to 11 N.m (97 in. lbs.).




5. Install the A/C suction line (1) and the A/C liquid line (2) to the A/C expansion valve (3).
6. Reconnect the negative battery cable.
7. Evacuate the refrigerant system.
8. Recharge the refrigerant system.