Discharge Hose Replacement (LZ9)

Discharge Hose Replacement (LZ9)

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

Important: Cap or tape the open air conditioning (A/C) components immediately in order to prevent system contamination.





1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).
2. Remove the A/C discharge hose to A/C condenser bolt.
3. Remove the A/C discharge hose from the A/C condenser.
4. Remove and discard the sealing washer.
5. Remove the radiator air baffle. Refer to Radiator Air Baffle Assemblies and Deflectors (Service and Repair).




6. Remove the A/C discharge hose to A/C compressor nut.
7. Remove the A/C discharge hose (2) from the A/C compressor.
8. Remove and discard the sealing washer.
9. Disconnect the A/C pressure sensor electrical connector.
10. Remove the discharge hose (2).




11. Remove the A/C pressure sensor.
12. Remove and discard the A/C pressure sensor O-ring.

Installation Procedure




1. Install a new O-ring to the A/C discharge hose.

Notice: Refer to Fastener Notice (Fastener Notice).

2. Install the A/C pressure sensor.

Tighten to 5 N.m (44 lb in).




3. Install new sealing washers to the A/C discharge hose (2). Refer to Sealing Washer Replacement (Sealing Washer Replacement).
4. Remove the cap or tape from the A/C compressor discharge port.
5. Install the A/C discharge hose (2) to the A/C compressor.
6. Install the A/C discharge hose (2) to A/C compressor nut.

Tighten the nut to 16 N.m (12 lb ft).

7. Install the radiator air baffle. Refer to Radiator Air Baffle Assemblies and Deflectors (Service and Repair).




8. Remove the cap or tape from the discharge port on the A/C condenser.
9. Install the A/C discharge hose to the A/C condenser.
10. Install the A/C discharge hose to A/C condenser bolt.

Tighten the bolt to 16 N.m (12 lb ft).

11. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).
12. Leak test the fittings of the A/C components using the J 39400-A.