Accumulator HVAC: Service and Repair

ACCUMULATOR REPLACEMENT

TOOLS REQUIRED
J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE




1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Disconnect the negative battery cable.
3. Remove the positive battery cable nut (1) and cable from the underhood fuse block.




4. Disconnect the evaporator hose from the accumulator cover.




5. Remove the accumulator cover.




6. Remove the A/C compressor hose nut from the accumulator.
7. Disconnect the A/C compressor hose from the accumulator.




8. Remove the evaporator hose nut from the accumulator.
9. Remove the evaporator hose from the accumulator.
10. Remove the accumulator from the housing.

INSTALLATION PROCEDURE




1. Add the proper amount of refrigerant oil to the accumulator. Refer to Refrigerant System Capacities.
2. Install the accumulator into the housing.

NOTE: Refer to Fastener Notice in Service Precautions.

IMPORTANT: Inspect the seal washers for damage before reinstalling the A/C lines and hoses.

If any damage is noted during inspection, the suspect seal must be replaced.

Flat washer type seals do not require lubrication.




3. Connect the evaporator hose to the accumulator.
4. Install the evaporator hose nut.

Tighten
Tighten the nut to 20 N.m (15 lb ft).




5. Connect the A/C compressor hose to the accumulator.
6. Install the A/C compressor hose nut.

Tighten
Tighten the nut to 20 N.m (15 lb ft).




7. Install the accumulator cover.




8. Connect the evaporator hose into the retainer.




9. Install the positive battery cable and nut (1) to the underhood fuse block.

Tighten
Tighten the nut to 15 N.m (11 lb ft).

10. Connect the negative battery cable.
11. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
12. Leak test the fittings of the component using the J 39400-A.