Air Conditioning Refrigerant High Pressure Service Valve Replacement

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: Air Conditioning Refrigerant High Pressure Service Valve

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Remove the service port cap. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2) , Refrigerant Recovery and Recharging (HP2) .
1	Air Conditioning Refrigerant Service Valve CAUTION: Refer to Fastener Caution . Procedure Use GE-39037 socket to remove the air conditioning refrigerant valve. Replace the O-ring. Refer to Air Conditioning O-Ring Seal Replacement . Test the system for refrigerant leaks. Refer to Leak Testing (Non HP2) , Leak Testing (HP2) . Tighten 2 N.m (18 lb in) Special Tools GE-39037 Charge Valve Octagon Socket For equivalent region tools, refer to Special Tools .

Callout

Component Name

Preliminary Procedure

Remove the service port cap.
Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (Non-HP2) , Refrigerant Recovery and Recharging (HP2) .

Air Conditioning Refrigerant Service Valve

CAUTION:

Refer to Fastener Caution .

Procedure

Use GE-39037 socket to remove the air conditioning refrigerant valve.
Replace the O-ring. Refer to Air Conditioning O-Ring Seal Replacement .
Test the system for refrigerant leaks. Refer to Leak Testing (Non HP2) , Leak Testing (HP2) .

Tighten
2 N.m (18 lb in)
Special Tools
GE-39037 Charge Valve Octagon Socket
For equivalent region tools, refer to Special Tools .