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Home >> Chevrolet >> 1999 >> Express 1/2 Ton Van V8-5.7L VIN R >> Repair and Diagnosis >> Heating and Air Conditioning >> Accumulator HVAC >> Service and Repair
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Accumulator HVAC: Service and Repair




REMOVAL PROCEDURE
1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging. Service and Repair
2. Remove the coolant recovery or the surge tank.
3. Remove the battery from the vehicle.
4. Remove the orifice tube retainer from the evaporator cover.
5. Remove the blower motor cover from the vehicle.
6. Remove the A/C lines from the accumulator.
7. Remove the electrical connectors.
8. Remove the accumulator (5) and the bracket (3) from the vehicle.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.

1. Install the accumulator (5) and the bracket (3) to the vehicle.

Tighten
Tighten the screws to the evaporator case to 6 N.m (53 lb in).

2. Install the electrical connectors.
3. Install the A/C lines to the accumulator.

Tighten
^ Tighten the compressor/condenser hose to the accumulator to 48 N.m (35 lb ft).
^ Tighten the evaporator outlet to the accumulator fitting to 48 N.m (35 lb ft).

4. Install the blower motor cover to the vehicle.
5. Install the orifice tube retainer to the evaporator cover.
6. Install the battery to the vehicle.
7. Install the coolant recovery or surge tank.
8. Recharge the refrigerant in the system. Refer to Refrigerant Recovery and Recharging.
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