Air Conditioning Evaporator Thermal Expansion Valve Tube Replacement

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: Identifying Air Conditioning Evaporator Thermal Expansion Valve Tube Placement

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
NOTE: Refer to Fastener Notice . Fastener Tightening Specifications: Refer to Fastener Tightening Specifications . Preliminary Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging . Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 3.8L engine or Air Cleaner Assembly Replacement for the 3.6L (LY7) engine orAir Cleaner Assembly Replacement for the 5.3L (LS4) engine. Remove the brake pressure modulator valve bracket. Refer to Brake Pressure Modulator Valve Bracket Replacement .
1	Nut, A/C Evaporator TXV Tube Tighten: 17 N.m (12.5 lb ft)
2	Washer, Sealing Tip: Remove and discard the sealing washers. Refer to Sealing Washer Replacement .
3	Connector, A/C Condenser Tube Tip: Remove the connector tube. Refer to Air Conditioning Line/Tube Connector Removal/Replacement .
4	O-ring, Seal Tip: Remove and discard O-ring. Refer to O-Ring Replacement .
5	Nut, A/C Compressor and Evaporator Tube Tighten: 17 N.m (12.5 lb ft)
6	Washer, Sealing Tip: Remove and discard the sealing washers. Refer to Sealing Washer Replacement .
7	Bolt, A/C Condenser and A/C Evaporator Tube Clamp Tighten: 10 N.m (89 lb in)
8	Tube Assembly, A/C Evaporator TXV