Accumulator HVAC: Service and Repair

It will be necessary to replace the accumulator for the following reasons.
1. The accumulator is restricted, plugged or perforated.
2. The system has been left open for more than 24 hours. (system completely discharged)
3. There is evidence of moisture in the system.
4. A component such as a condenser, evaporator core, refrigerant line or compressor that has seized is replaced.

REMOVAL
1. Discharge the air conditioning system.
2. Disconnect the two suction lines from the accumulator.
3. Remove the accumulator from the bracket.

NOTE: Plug all the open fittings immediately to keep moisture out of the system.

INSTALLATION





1. Install the accumulator in the bracket.

NOTE: Do not remove the plugs until you are ready to make the connection.

2. Connect the liquid lines to the accumulator and tighten to the specified torque.

Tightening torque : 12-15 Nm (120-150 kg.cm, 8.9-11.1 lb-ft)

3. If the accumulator is replaced with a new unit, add 80 cc of compressor oil to the compressor.