Hose/Line HVAC: Service and Repair

REMOVAL
(1) Recover A/C system.
(2) Remove upper generator bracket. Charging System.
(3) Remove ground wire at cowl.






(4) Remove expansion valve plate and bolt (Fig.50.
(5) Remove liquid line from expansion valve.
(6) Remove wire connector at pressure transducer.
(7) Remove liquid line mounting bracket at right frame rail.
(8) Using access slot between radiator crossmember arid grille, loosen liquid line mounting plate at filter-drier. Remove liquid line from filter-drier. It may be necessary to bend liquid line in half to remove line. The replacement Tine is a two-piece assembly.

INSTALLATION
(1) To install, reverse preceding operation. Replace all O-rings. Install two-piece line in place of original part. Assemble line halves after it is installed on vehicle.
(2) Evacuate and recharge A/C system.

SUCTION LINE
REMOVAL
(1) Recover A/C system.






(2) Remove suction line mounting nut at compressor (Fig. 51).
(3) Remove upper generator bracket. Charging System
(4) Remove ground wire at cowl.






(5) Remove expansion valve line plate nut (Fig.52).
(6) Remove suction line mounting bracket.
(7) Remove suction line.

INSTALLATION
(1) To install, reverse preceding operation. Replace all 0-rings.
(2) Evacuate and recharge A/C system.

DISCHARGE LINE
REMOVAL
(1) Recover A/C system






(2) Remove discharge line mounting nut at compressor (Fig. 53).






(3) Remove discharge line at the top fitting on the condenser (Fig. 54).

INSTALLATION
(1) To install, reverse preceding operation. Replace all 0-rings.
(2) Evacuate and recharge A/C system.
(3) Perform HVAC Control calibration and test procedure.