Accumulator HVAC: Service and Repair
REMOVAL1. Disconnect and isolate the battery negative cable.
2. Recover the refrigerant from the refrigerant system.
3. Unplug the wire harness connector from the low pressure cycling clutch switch
4. Remove the plastic clip that secures the liquid line to the accumulator outlet tube near the dash panel.
Fig.8 Accumulator Remove/Install:
5. Loosen the screw that secures the accumulator retaining band to the support bracket on the dash panel.
6. Disconnect the suction line from the accumulator outlet tube refrigerant line fitting. Install plugs in, or tape over all of the opened refrigerant line fittings.
7. Disconnect the accumulator inlet tube refrigerant line fitting from the evaporator outlet tube. Install plugs in, or tape over all of the opened refrigerant line fittings.
8. Pull the accumulator and retaining band unit forward until the screw in the band is clear of the slotted hole in the support bracket on the dash panel.
9. Remove the accumulator from the vehicle.
INSTALLATION
1. Install the accumulator and retaining band as a unit by sliding the screw in the band into the slotted hole in the support bracket on the dash panel.
2. Remove the tape or plugs from the refrigerant line fittings on the accumulator inlet tube and the evaporator outlet tube. Connect the accumulator inlet tube refrigerant line coupler to the evaporator outlet tube.
3. Tighten the accumulator retaining band screw to 4.5 Nm (40 in. lbs.).
4. Remove the tape or plugs from the refrigerant line fittings on the suction line and the accumulator outlet tube. Connect the suction line to the accumulator outlet tube refrigerant line coupler.
5. Install the plastic clip that secures the liquid line to the accumulator outlet tube near the dash panel.
6. Plug the wire harness connector into the low pressure cycling clutch switch.
7. Connect the battery negative cable.
8. Evacuate the refrigerant system.
9. Charge the refrigerant system.
NOTE: If the accumulator is replaced, add 120 milliliters (4 fluid ounces) of refrigerant oil to the refrigerant system. Use only refrigerant oil of the type recommended for the compressor in the vehicle.