RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
Hose/Line HVAC: Service and Repair
A/C Discharge Hose/Line Replacement
REMOVAL
WARNING: REVIEW THE WARNINGS AND CAUTIONS IN THE FRONT OF THIS SECTION BEFORE PERFORMING THE
FOLLOWING OPERATION.
1. Disconnect and isolate the battery negative cable.
2. Recover the refrigerant from the refrigerant system.
3. Unplug the wire harness connector from the high pressure transducer.
Fig. 5 A/C Discharge Line
4. Disconnect the discharge line refrigerant line fitting from the condenser inlet tube. Install plugs in, or tape over all of the opened refrigerant line
fittings.
5. Disconnect the connection that secures the suction line fitting to the accumulator outlet. Install plugs in, or tape over all of the opened refrigerant
line fittings.
6. Remove the screw that secures the suction and discharge line manifold to the compressor. Install plugs in, or tape over all of the opened refrigerant
line fittings.
7. Remove the suction and discharge line assembly from the vehicle.
INSTALLATION
WARNING: REVIEW THE WARNINGS AND CAUTIONS IN THE FRONT OF THIS SECTION BEFORE PERFORMING THE
FOLLOWING OPERATION.
1. Remove the tape or plugs from the suction and discharge line manifold and the compressor. Install the suction and discharge line manifold to the
compressor. Tighten the fastener to 28 Nm (250 in. lbs.).
2. Remove the tape or plugs from the suction line and the accumulator outlet fittings. Install the suction line to the accumulator outlet and install
fastener.
3. Remove the tape or plugs from the refrigerant line fittings on the discharge line and the condenser inlet tube. Connect the discharge line refrigerant
line coupler to the condenser inlet tube.
4. Plug in the wire harness connector to the high pressure transducer switch.
5. Connect the battery negative cable.
6. Evacuate the refrigerant system.
7. Charge the refrigerant system.
