Compressor Hose Assembly Replacement (LS4)

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Replacing Compressor Hose Assembly

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Recover the refrigerant. Refer to Refrigerant Recovery and Recharging . Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
1	A/C Compressor Hose Nut NOTE: Refer to Fastener Notice . Tighten: 17 N.m (12.5 lb in)
2	Sealing Washer Tip: Remove and discard sealing washers. Refer to Sealing Washer Replacement .
3	A/C Compressor and Evaporator Tube Nut Tighten: 17 N.m (12.5 lb in)
4	Sealing Washer Tip: Remove and discard sealing washer. Refer to Sealing Washer Replacement .
5	A/C Compressor and Condenser Nut Tip: Use a 20 mm wrench or pliers to hold the A/C condenser block fitting, this will prevent the A/C line from twisting while torquing the A/C line nut. Tighten: 17 N.m (12.5 lb in)
6	Sealing Washer Tip: Remove and discard sealing washer. Refer to Sealing Washer Replacement .
7	A/C Compressor Hose Assembly Tip: Leak test the fittings. Refer to Leak Testing .