A/C Suction and Discharge Hose/Line Replacement
Suction and Discharge Line ReplacementWARNING: REVIEW THE WARNINGS AND CAUTIONS OF THIS SECTION BEFORE PERFORMING THE FOLLOWING OPERATION Service Precautions.
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Recover the refrigerant from the refrigerant system. (Refer to REFRIGERANT RECOVERY Service and Repair)
3. Unplug the wire harness connector from the a/c high pressure switch.
4. Disconnect the suction line refrigerant line coupler at the accumulator. (Refer to A/C LINE COUPLER Coupler HVAC) Install plugs in, or tape over all of the opened refrigerant line fittings.
5. Remove the nut that secures the block fitting to the stud on 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. On models with a gasoline engine, remove the nut that secures the refrigerant line support bracket to the stud on the compressor mounting bracket.
Fig. 8 Suction And Discharge Line Remove/Install - Gasoline Engine:
Fig. 9 Suction And Discharge Line Remove/Install - Diesel Engine:
7. Remove the bolt that secures the refrigerant line manifold to the compressor or. Install plugs in, or tape over all of the opened refrigerant line fittings.
8. Remove the suction and discharge line assembly from the vehicle.
INSTALLATION
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. On models with a gasoline engine, install the nut that secures the refrigerant line support bracket to the stud on the compressor mounting bracket. Tighten the mounting nut to 22 Nm (200 in. lbs.).
5. Plug in the wire harness connector to the a/c high pressure switch.
6. Connect the battery negative cable.
7. Evacuate the refrigerant system. (Refer to REFRIGERANT SYSTEM EVACUATE Service and Repair).
8. Charge the refrigerant system. (Refer to REFRIGERANT SYSTEM CHARGE Service and Repair).