Evaporator Hose Assembly Replacement
EVAPORATOR HOSE ASSEMBLY REPLACEMENTTOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.
2. Remove the surge tank.
3. Remove the evaporator hose (1) from the accumulator cover (2).
4. Remove the evaporator hose nut from the accumulator.
5. Remove the evaporator hose from the accumulator.
6. Remove the evaporator hose (2) from the hold down (1) on the frame rail.
7. Disconnect the low temperature sensor electrical connector.
8. Remove the evaporator hose nut (1) from the evaporator core.
9. Remove the evaporator hose (2) from the evaporator core.
10. Remove the evaporator hose nut (1) from the condenser.
11. Remove the evaporator hose (3) from the condenser.
12. Remove the evaporator hose from the vehicle.
13. Remove and discard the sealing washers from the evaporator hose.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install new sealing washers to the evaporator hose.
2. Install the evaporator hose to the condenser.
3. Install the evaporator hose nut (1) to the condenser.
Tighten
Tighten the nut to 20 N.m (15 lb ft).
4. Install the evaporator hose (2) to evaporator core.
5. Install the evaporator hose nut (1) to the evaporator core.
Tighten
Tighten the nut to 24 N.m (18 lb ft).
6. Connect the evaporator hose assembly to the accumulator.
7. Install the accumulator nut to the accumulator.
Tighten
Tighten the nut to 20 N.m (15 lb ft).
8. Position the evaporator hose (1) to the accumulator cover (2) and press to engage.
9. Install the evaporator hose (2) to the frame rail hold down (1).
10. Connect the low temperature sensor electrical connector.
11. Install the surge tank.
12. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
13. Leak test the fittings of the component using the J 39400-A.