A/C Suction Line - Removal

6.7L DIESEL ENGINE

WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation, Warning and Caution . Failure to follow these instructions may result in serious or fatal injury.





1. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the refrigerant system Refrigerant System Recovery.
3. Remove the air filter housing.
4. Remove the nut (1) that secures the A/C liquid line (2) and A/C suction line (3) to the A/C expansion valve (4).
5. Disconnect the A/C liquid and suction lines from the A/C expansion valve and remove and discard the O-ring seals.
6. Separate the A/C liquid line from the A/C suction line and install plugs in, or tape over the opened refrigerant line fittings and expansion valve ports.






NOTE: Illustration shown with lower radiator hose removed for clarity.

7. Remove the turbocharger outlet tube.
8. Remove the nut (1) that secures the A/C suction line (3) to the A/C compressor (2).
9. Disconnect the A/C suction line from the A/C compressor and remove and discard the O-ring seals and gaskets.
10. Install plugs in, or tape over the opened suction line fittings and compressor port.