Expansion (Orifice) Tube Replacement (W/C69)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Orifice Tube Assembly & Components (W/C69)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2) , Refrigerant Recovery and Recharging (HP2) . Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement . Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
1	Fitting, Orifice Tube CAUTION: Refer to Fastener Caution . Tighten 9 N.m (80 lb in) It may be necessary to remove the auxiliary pressure line to separate the orifice tube. Loosen orifice tub fitting and separate the pressure line to access the orifice.
2	Seal, O-ring TIP: Remove and discard O-ring. Refer to Air Conditioning O-Ring Seal Replacement .
3	Orifice Tube Assembly TIP: Use J 26549-E to remove orifice tube.