Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Install new 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).

Fig 1: Exploded View Of Accumulator Mounting

Courtesy of GENERAL MOTORS CORP.

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: Locating Evaporator Tube
Courtesy of GENERAL MOTORS CORP.

Fig 3: Removing/Installling Evaporator Tube At Evaporator

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 .