Tools Required
J 39400-A
Halogen Leak Detector
Removal Procedure
- Recover the refrigerant. Refer to
Refrigerant Recovery and Recharging
.
- Remove the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
in Engine Controls - 3.8L or
Air Cleaner Assembly Replacement
in Engine Controls - 5.3L.
- Remove the brake pressure modulator valve bracket (BPMV). Refer to
Brake Pressure Modulator Valve Bracket Replacement
in Antilock Brake System.
- Remove the A/C line coupling from the evaporator tube to receiver dehydrator tube (1). Refer to
Air Conditioning Line/Tube Connector Removal/Replacement
.
- Remove the receiver dehydrator mounting bolt (2).
- Disconnect the receiver dehydrator from the evaporator tube.
- Remove the block fitting nut that secures the evaporator tube to the A/C compressor hose assembly.
- Disconnect the evaporator tube from the A/C compressor hose assembly.
- Remove the block fitting nut that secures the evaporator tube to the thermostatic expansion valve (TXV).
- Disconnect the evaporator tube from the TXV.
- Remove the evaporator tube from the support clip on the left fender rail.
- Disconnect the wire harness electrical connector from the A/C pressure sensor.
- Remove the evaporator tube from the vehicle.
- Remove the A/C pressure sensor.
- Remove and discard the O-ring seals and seal washers.
Installation Procedure
- Replace the O-ring seals on the receiver dehydrator and A/C pressure sensor. Refer to
O-Ring Replacement
.
Notice: Refer to Fastener Notice in the Preface section.
- Install the A/C refrigerant pressure sensor.
Tighten
Tighten the sensor to 4.7 N·m (41 lb in).
- Replace the seal washers on the evaporator tube. Refer to
Sealing Washer Replacement
.
- Install the evaporator tube to the vehicle.
- Connect the evaporator tube to the support clip.
- Install the evaporator tube to the TXV.
- Install the evaporator tube to TXV nut.
Tighten
Tighten the nut to 17 N·m (13 lb ft).
- Connect the receiver dehydrator to the evaporator tube.
- Install the A/C line coupling to the evaporator tube and receiver dehydrator tube (1). Refer to
Air Conditioning Line/Tube Connector Removal/Replacement
.
- Install the receiver dehydrator mounting bolt (2).
Tighten
Tighten the bolt to 10 N·m (88 lb in).
- Connect the A/C compressor hose assembly to the evaporator tube.
- Install the A/C compressor hose assembly to evaporator tube block fitting nut.
Tighten
Tighten the nut to 17 N·m (13 lb ft).
- Install the brake pressure modulator valve bracket. Refer to
Brake Pressure Modulator Valve Bracket Replacement
in Antilock Brake System.
- Install the master cylinder to the brake booster.
- Install the nuts to the master cylinder.
Tighten
Tighten the nuts to 25 N·m (18 lb ft).
- Connect the electrical connector to the brake fluid level sensor.
- Install the engine vacuum line to the brake booster.
- Connect the electrical connector to the A/C refrigerant pressure sensor.
- Install the air cleaner assembly. Refer to
Air Cleaner Assembly Replacement
in Engine Controls - 3.8L or
Air Cleaner Assembly Replacement
in Engine Controls - 5.3L.
- Evacuate and recharge the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fittings of the component using
J 39400-A
.