Installation Procedure

Important:  The compressor is shipped without oil.

1. If replacing the compressor, add the refrigerant oil to the compressor.
2. Install the compressor to the vehicle.
3. Install the compressor brace.
   NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
4. Install the compressor mounting bolts (2).

   Tighten 

   Tighten the bolts to 50 N.m (37 lb ft).

   Fig 1: Installing A/C Compressor Brace & Mounting Bolts

   Courtesy of GENERAL MOTORS CORP.
5. Install the compressor brace bolt (1).

   Tighten 

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

6. Install new seal washers. Refer to SEALING WASHER REPLACEMENT .
7. Install the compressor hose assembly to the compressor.
8. Install the compressor hose assembly bolt (3).

   Tighten 

   Tighten the bolt to 34 N.m (25 lb ft).

   Fig 2: Installing A/C Compressor Hose Assembly Bolt

   Courtesy of GENERAL MOTORS CORP.
9. Connect the electrical connector (2) to the A/C compressor high pressure cutoff switch.
   Fig 3: Connecting A/C Compressor High Pressure Cutoff Switch Electrical Connector

   Courtesy of GENERAL MOTORS CORP.
10. Install the oil filler tube.
11. Install the oil filler tube bolt.

    Tighten 

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

12. Release the drive belt tensioner and install the drive belt to the A/C compressor.
13. Install the engine cover. Refer to ENGINE COVER REPLACEMENT in Interior Trim.
14. Connect the electrical connectors (1) to the A/C compressor.
    Fig 4: Connecting A/C Compressor Electrical Connector

    Courtesy of GENERAL MOTORS CORP.
15. Evacuate and recharge the refrigerant system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
16. Leak test the fittings of the component using the J 39400-A. 
17. Install the upper fan shroud.
    Fig 5: Installing Upper Fan Shroud

    Courtesy of GENERAL MOTORS CORP.
18. Install the upper fan shroud bolts.

    Tighten 

    Tighten the bolt to 15 N.m (11 lb in).

19. Install the air cleaner. Refer to AIR CLEANER ASSEMBLY in Removal & Installation.