Installation Procedure

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Fig 1: Installing Compressor Hose To Accumulator

Courtesy of GENERAL MOTORS CORP.

Important: If replacing the accumulator, add the refrigerant oil to the condenser. Refer to Refrigerant System Capacities, See Refrigerant System Capacities for system capacity information.

Install the O-ring seals. Refer to O-RING REPLACEMENT .
Install the retaining bracket (6) to the accumulator.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the retaining bracket bolt (5).
Tighten

Tighten the bolt to 10 N.m (89 lb in).
Install the accumulator (3).
Install the accumulator bracket nut (4).
Tighten

Tighten the nut to 9 N.m (80 lb in).
Install the nut (2) to the evaporator fitting.
Tighten

Tighten the nut to 16 N.m (12 lb ft).
Install the compressor hose to the accumulator.
Install the compressor hose nut to the accumulator.
Tighten

Tighten the nut to 16 N.m (12 lb ft).
Connect the electrical connector to the A/C low pressure switch.
Install the nut to the evaporator tube (3).
Tighten

Tighten the nut to 25 N.m (18 lb ft).

Fig 2: Installing Nut To Evaporator Tube
Courtesy of GENERAL MOTORS CORP.
Install the evaporator tube to the evaporator.
Install the evaporator tube nut to the evaporator.
Tighten

Tighten the nut to 16 N.m (12 lb ft).
Evacuate and recharge the system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
Leak test the fittings of the component using the J 39400-A .

Fig 3: Installing Evaporator Tube Nut To Evaporator
Courtesy of GENERAL MOTORS CORP.