Suction Hose Replacement

Suction Hose Replacement

Removal Procedure





Caution: Refer to Battery Disconnect Caution Battery Disconnect Caution in Cautions and Notices.

1. Disconnect the negative battery cable.
2. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.
3. Remove the surge tank mounting screws.
4. Remove the surge tank.
5. Remove the retaining nut from the hose connecting block and disconnect the air conditioning (A/C) hose assembly connector block at the top rear of the compressor.
6. Cap all of the openings to prevent contamination.




7. Remove the suction hose support clamp bolt and the clamp along the left side of the engine compartment fender well.
8. Remove the evaporator flange connecting block retaining nut and disconnect the A/C suction hose at the cowl evaporator flange connecting block. Discard the O-ring seal.
9. Remove the A/C suction hose.
10. Cap the opening to the evaporator flange to prevent contamination.

Installation Procedure




1. Install a new O-ring seal onto the suction hose end at the evaporator flange.
2. Position the hose assembly and the support clamp in place in the vehicle.
3. Insert the suction hose end into the evaporator flange.
4. Install the evaporator flange connecting block retaining nuts.

Tighten the suction hose connecting block retaining nuts to 15 Nm (11 lb ft).

5. Install new sealing washers onto the pilots of the suction/discharge block fitting. The washers must be seated against the surface of the block fitting.




6. Mate the discharge hose connecting block to the compressor. Hold it in place while tightening the retaining nut.

Tighten the discharge hose connecting block-to-compressor retaining nut to 38 Nm (28 lb ft).

7. Install the suction hose support clamp on the left-side strut tower and tighten the support clamp retaining nut.

Tighten the suction hose support clamp retaining nut to 5 Nm (44 lb in).

8. Install the surge tank. Refer to Surge Tank Replacement (2.0L) Service and RepairSurge Tank Replacement (2.5L) Service and Repair in Engine Cooling.
9. Connect the negative battery cable.
10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.