RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
Hose/Line HVAC: Service and Repair
A/C Suction 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 a/c high pressure transducer.
4. Disconnect the suction line refrigerant line coupler at the accumulator. Install plugs in, or tape over all of the opened refrigerant line fittings.
5. Remove the nut that secures the condenser inlet and disconnect the discharge line from the condenser. Install plugs in, or tape over all of the
opened refrigerant line fittings.
6. 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 all of the refrigerant line fittings. Connect the suction line refrigerant line coupler to the accumulator.
2. Install a new gasket and the discharge line block fitting over the stud on the condenser inlet. Tighten the mounting nut to 20 Nm (180 in. lbs.).
3. Install the refrigerant line manifold to the compressor. Tighten the mounting bolt to 22 Nm (200 in. lbs.).
4. Plug in the wire harness connector to the A/C high pressure transducer.
5. Connect the battery negative cable.
6. Evacuate the refrigerant system.
7. Charge the refrigerant system.
