Sierra 3500 Denali 4WD V8-6.0L (2011)
5. Remove the discharge hose nut (1) from the condenser.
6. Remove the discharge hose (2) from the condenser.
7. Disconnect the A/C refrigerant pressure sensor from the discharge hose.
8. Remove the discharge hose from the vehicle.
9. Discard all of the used sealing washers. Cap the system openings.
Installation Procedure
1. Install the discharge hose to the vehicle.
2. Connect the A/C recirculation switch to the discharge hose.
3. Install the discharge hose (2) to the condenser using new sealing washers. Refer to Air Conditioning System Seal Replacement (See: Coupler
HVAC/A/C Coupler O-ring/Service and Repair/Air Conditioning System Seal Replacement).
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
4. Install the discharge hose nut (1) to the condenser and tighten to 16 Nm (12 lb ft).
