RAM 1500 Van V8-5.2L VIN Y (1999)
7. Disconnect the flare nut on the underbody plumbing liquid line from the threaded fitting on the liquid line extension. Install plugs in, or tape over
all of the opened refrigerant line fittings.
8. Remove the screw that secures the filter-drier to its mounting bracket.
9. Remove the screw that secures the block fitting of the suction line jumper to the outlet of the filter-drier, and separate the fitting from the
filter-drier. Install plugs in, or tape over all of the opened refrigerant line fittings.
10. Remove the screw that secures the block fitting of the suction line jumper to the expansion valve, and separate the fitting from the expansion valve.
Install plugs in, or tape over all of the opened refrigerant line fittings.
11. Remove the suction line jumper from the engine compartment.
INSTALLATION
1. Remove the tape or plugs from the block fitting on the suction line jumper and the expansion valve. Position the suction line jumper block fitting
to the expansion valve and secure the connection with a screw. Tighten the mounting screw to 22 Nm (200 in. lbs.).
2. Remove the tape or plugs from the block fitting on the suction line jumper and the outlet of the filter-drier. Position the outlet of the filter-drier to
the suction line jumper block fitting and secure the connection with a screw. Tighten the mounting screw to 13.5 Nm (120 in. lbs.).
3. Reinstall the screw that secures the filter-drier to its mounting bracket. Tighten the mounting screw to 8.5 Nm (75 in. lbs.).
4. If the vehicle is equipped with the optional rear heater-A/C unit, go to Step 5. If not, go to Step 7.
5. Remove the tape or plugs from the refrigerant line fittings on the underbody plumbing liquid line and the liquid line extension. Connect the flare
nut on the underbody plumbing liquid line to the threaded fitting on the liquid line extension. Tighten the fitting to 27 Nm (244 in. lbs.).
6. Remove the tape or plugs from the refrigerant line fittings on the underbody plumbing suction line and the suction line jumper. Connect the flare
nut on the underbody plumbing suction line to the threaded fitting on the suction line jumper. Tighten the fitting to 47 Nm (420 in. lbs.).
7. Remove the tape or plugs from the refrigerant line fittings on the suction line and the suction line jumper. Connect the flare nut on the suction line
to the threaded fitting on the suction line jumper. Tighten the fitting to 47 Nm (420 in. lbs.).
8. Install the low pressure cut-off switch to the fitting on the suction line jumper. See Low Pressure Cut-Off Switch Removal and Installation.
See: Heating and Air Conditioning/Refrigerant Pressure Sensor / Switch/Low Pressure Sensor / Switch/Service and Repair
9. Connect the battery negative cable.
10. Evacuate the refrigerant system. See Refrigerant System Evacuation.
See: Heating and Air Conditioning/Service and Repair/Refrigerant System Evacuate
11. Charge the refrigerant system. See Refrigerant System Charging.
See: Heating and Air Conditioning/Service and Repair/Refrigerant System Charge
