Removal (3.1L)

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Recover the refrigerant. See RECOVERY, EVACUATION & RECHARGING in GENERAL SERVICING PROCEDURES article in GENERAL SERVICING. Remove the left front fender upper diagonal brace. Remove the air cleaner assembly.
Remove the A/C compressor hose nut. See Fig 1. Disconnect the A/C compressor hose from the condenser. Remove the A/C compressor hose nut. Remove the A/C compressor hose from the accumulator.
Raise and support the vehicle. Remove the lower air deflector. Remove the A/C compressor hose nut from the A/C compressor. See Fig 2. Remove and discard all the used O-ring and sealing washers. Remove the A/C compressor hose from the A/C compressor.

Fig 1: Removing & Installing A/C Compressor Hose Nut

Courtesy of GENERAL MOTORS CORP.

Fig 2: Removing & Installing A/C Hose At Compressor

Courtesy of GENERAL MOTORS CORP.