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.
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.




6. Remove the A/C discharge hose to A/C compressor nut.
7. Remove the A/C discharge hose 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.




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.

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.
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 to A/C compressor nut.

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

7. Install the radiator air baffle.




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.
12. Leak test the fittings of the A/C components using the J 39400-A.