Sierra 2500 4WD V8-6.6L DSL Turbo (2007)
Hose/Line HVAC: Service and Repair
Suction Hose Replacement (With RPO Code LMM)
Suction Hose Replacement (LMM)
Tools Required
J 39400-A Halogen Leak Detector
Removal Procedure
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the suction hose mounting bolt (3) from the A/C compressor.
Discard the bolt.
3. Remove the suction hose (1) from the compressor.
4. Remove the suction hose nut from the accumulator.
Discard the nut.
5. Remove the suction hose from the accumulator.
6. Remove the suction hose from the vehicle.
7. Discard all of the used sealing washers. Cap the system openings.
Installation Procedure
1. Install the suction hose to the vehicle using new sealing washers.