Front A/C 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.

1. Recover the refrigerant from the A/C system.
2. Disconnect and isolate the negative battery cable.

A/C Expansion Valve:

3. Remove the nut that secures the suction and liquid line fittings to the stud on the A/C expansion valve.
4. Disconnect the suction and liquid lines from the expansion valve.
5. Remove the seals from the suction and liquid line fitting and discard.
6. Install plugs in, or tape over the opened liquid and suction line fittings and both expansion valve ports.
7. Remove the two bolts that secure the expansion valve to the evaporator tube tapping plate.
8. Remove the expansion valve from the evaporator tube tapping plate.
9. Remove the seals from the evaporator inlet and outlet tube fittings and discard.
10. Install plugs in, or tape over the opened evaporator inlet and outlet tube fittings and both expansion valve ports.

INSTALLATION
1. Remove the tape or plugs from the tapping plate evaporator inlet and outlet tube fittings and both ports on the back of the A/C expansion valve.
2. Lubricate new rubber O-ring seals with clean refrigerant oil and install them on the tapping plate evaporator inlet and outlet tube fittings.
3. Position the A/C expansion valve onto the tapping plate evaporator inlet and outlet tube fittings.
4. Install the two bolts that secure the A/C expansion valve to the evaporator tube tapping plate. Tighten the bolts to 5 N.m (45 in. lbs.).
5. Remove the tape or plugs from the liquid and suction line fittings and both expansion valve ports.
6. Lubricate new rubber O-ring seals with clean refrigerant oil and install them on the liquid and suction line fittings.
7. Connect the liquid line fitting to the A/C expansion valve.
8. Connect the suction line fitting to the A/C expansion valve.
9. Install the nut that secures the suction line and liquid line fittings to the stud on the A/C expansion valve. Tighten the nut to 10 N.m (89 in. lbs.).
10. Reconnect the negative battery cable.
11. Evacuate the refrigerant system.
12. Charge the refrigerant system.