Removal

5.9L/6.7L DIESEL ENGINES

WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation. Failure to follow the warnings and cautions could result in possible personal injury or death.

NOTE: The A/C discharge line for the 5.9L and the 6.7L diesel engine is serviced as an assembly with the A/C suction line.




1. Disconnect and isolate the negative battery cables.

2. Recover the refrigerant from the refrigerant system.

3. Remove the air filter housing cover.

4. Remove the secondary retaining clip (7) from the spring-lock coupler (1) that secures the A/C suction line (6) to the A/C accumulator (5).

5. Using the proper A/C line disconnect tool, disconnect the A/C suction line from the A/C accumulator and remove and discard the O-ring seals.

6. Install plugs in, or tape over the opened suction line fitting and the accumulator tube.




7. Disconnect the wire harness connector (5) from the A/C pressure transducer (4).

8. Remove the nut (2) that secures the A/C suction and discharge line assembly (3) to the A/C condenser (1).

9. Disconnect the A/C discharge line from the A/C condenser and remove and discard the O-ring seal and gasket.

10. Remove the bolt (7) that secures the A/C suction and discharge line assembly to the A/C compressor (6).

11. Disconnect the A/C suction and discharge line assembly from the A/C compressor and remove and discard the O-ring seals and gasket.

12. Remove the A/C suction and discharge line assembly from the engine compartment.

13. Install plugs in, or tape over the opened refrigerant line fittings and the condenser and compressor ports.

14. If necessary, remove the A/C pressure transducer from the A/C discharge line.