RAM 2500 Van V8-5.2L Prop VIN 2 (2000)
Underbody Plumbing Remove/Install
12. Remove the nut that secures the underbody plumbing clamp to the front floor panel near the left side of the engine cover opening.
13. Remove the screw that secures the underbody plumbing clamp to the front floor panel reinforcement.
14. Remove the screws that secure the two underbody refrigerant line clamps to the side panel to underbody reinforcement.
15. Remove the underbody plumbing bundle from the vehicle.
INSTALLATION
1. From under the vehicle, position the underbody plumbing bundle to the side panel to underbody reinforcement and secure it by loosely installing
the two clamp mounting screws.
2. From under the vehicle, connect the heater supply and return hoses to the rear heater-A/C unit heater lines.
3. From under the vehicle, remove the tape or plugs from the suction line fittings at the rear of the underbody plumbing bundle and at the rear
heater-A/C unit. Connect the flare nut on the underbody suction line to the threaded fitting on the rear heater-A/C unit suction line. Tighten the
fitting to 47 Nm (420 in. lbs.).
4. From under the vehicle, remove the tape or plugs from the liquid line fittings at the rear of the underbody plumbing bundle and at the rear
heater-A/C unit. Connect the flare nut on the underbody liquid line to the threaded fitting on the rear heater-A/C unit liquid line. Tighten the fitting
to 27 Nm (244 in. lbs.).
5. Install and tighten all of the underbody plumbing bundle mounting hardware. Tighten the mounting screws to 6.7 Nm (60 in. lbs.). Tighten the
mounting nut to 3.3 Nm (30 in. lbs.).
6. Reinstall the front park brake release cable routing clip onto the underbody suction line.
7. Lower the vehicle.
8. From the engine compartment, connect the heater supply and return hoses to the underbody combination heater line.
9. From the engine compartment, remove the tape or plugs from the refrigerant line fittings at the front of the underbody liquid and suction lines and
at the liquid line extension and the suction line jumper. Connect the underbody liquid line to the liquid line extension and the underbody suction
line to the suction line jumper.
10. Reinstall the engine cover to the passenger compartment.
11. Connect the battery negative cable.
12. Fill the engine cooling system.
13. Evacuate the refrigerant system.
14. Charge the refrigerant system.
