RAM 3500 HD Truck 2WD L6-6.7L DSL Turbo (2008)
1. If removed, install the A/C pressure transducer (4) onto the A/C suction and discharge line assembly (3) See: Heating and Air
Conditioning/Refrigerant Pressure Sensor / Switch/Service and Repair/Installation .
2. Remove the tape or plugs from the opened refrigerant line fittings and the condenser and compressor ports.
3. Position the A/C suction and discharge line assembly into the engine compartment.
4. Lubricate new O-ring seals with clean refrigerant oil and install them and new gaskets onto the refrigerant line fittings. Use only the specified
O-ring seals as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C
compressor in the vehicle.
5. Connect the A/C suction and discharge line assembly to the A/C condenser (1).
6. Install the nut (2) that secures the A/C suction and discharge line assembly to the A/C condenser. Tighten the nut to 23 Nm (17 ft. lbs.).
7. Connect the A/C suction and discharge line assembly to the A/C compressor (6).
8. Install the bolt (7) that secures the A/C suction and discharge line assembly to the A/C compressor. Tighten the bolt to 23 Nm (17 ft. lbs.).
9. Connect the wire harness connector (5) to the A/C pressure transducer.
10. Remove the tape or plugs from the opened accumulator tube.
11. Lubricate new rubber O-ring seals with clean refrigerant oil and install them onto the accumulator tube fitting. Use only the specified O-rings as
they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
12. Connect the A/C suction line (6) to the spring-lock coupler (1) on the A/C accumulator (5) and install the secondary retaining clip (7) See:
Heating and Air Conditioning/Coupler HVAC/Service and Repair/Installation .
13. Install the air filter housing cover.
14. Reconnect the negative battery cables.
15. Evacuate the refrigerant system See: Heating and Air Conditioning/Service and Repair/Refrigerant System Evacuate .
16. Adjust the refrigerant oil level See: Heating and Air Conditioning/Service and Repair/Refrigerant Oil Level .
17. Charge the refrigerant system See: Heating and Air Conditioning/Service and Repair/Refrigerant System Charge .
