Accumulator HVAC: Service and Repair
ACCUMULATOR REPLACEMENTTOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the air cleaner assembly.
3. Loosen the accumulator hose nut (2) from the accumulator.
4. Disconnect the accumulator hose from the accumulator.
5. Remove the A/C compressor hose block fitting nut (1) from the accumulator.
6. Disconnect the A/C compressor hose from the accumulator.
7. Remove the accumulator bracket retaining bolt.
8. Remove the accumulator bracket bolt clamp.
9. Remove the accumulator from the mounting bracket.
INSTALLATION PROCEDURE
1. Install the accumulator to the mounting bracket.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Tighten the accumulator bracket bolt clamp.
Tighten
Tighten the accumulator bracket clamp bolt to 4 N.m (36 lb in).
3. Install the accumulator.
4. Install the accumulator bracket retaining bolt.
Tighten
Tighten the accumulator bracket retaining bolt to 4 N.m (36 lb in).
IMPORTANT: Coat the new O-ring seals and seal washers with a mineral base 525 viscosity refrigerant oil.
5. Install the new O-ring seals onto the A/C compressor hose and the accumulator hose. Refer to O-ring Replacement.
6. Connect the accumulator hose onto the accumulator.
7. Tighten the accumulator hose nut (2).
Tighten
Tighten the accumulator hose nut to 47 N.m (35 lb ft).
8. Connect the A/C compressor hose to the accumulator.
Install the A/C compressor hose block fitting nut (1) onto the accumulator.
Tighten
Tighten the A/C compressor hose block fitting nut to 16 N.m (12 lb ft).
9. Install the air cleaner assembly.
10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
11. Leak test the fittings of the component using J 39400-A.