Cherokee 2WD L6-4.0L VIN S (1998)
Hose/Line HVAC: Service and Repair
A/C Liquid Hose/Line Replacement
Left Hand Drive
A/C Liquid Hose/Line Replacement
Any kinks or sharp bends in the refrigerant plumbing will reduce the capacity of the entire air conditioning system. Kinks and sharp bends reduce the
flow of refrigerant in the system. A good rule for the flexible hose refrigerant lines is to keep the radius of all bends at least ten times the diameter of the
hose. In addition, the flexible hose refrigerant lines should be routed so they are at least 80 millimeters (3 inches) from the exhaust manifold.
High pressures are produced in the refrigerant system when the air conditioning compressor is operating. Extreme care must be exercised to make sure
that each of the refrigerant system connections is pressure-tight and leak free. It is a good practice to inspect all flexible hose refrigerant lines at least
once a year to make sure they are in good condition and properly routed.
WARNING: REVIEW THE WARNINGS AND CAUTIONS BEFORE PERFORMING THE FOLLOWING OPERATION.
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Recover the refrigerant from the refrigerant system. Refer to: Heating and Air Conditioning, Service and Repair, Refrigerant Recovery, See:
Service and Repair/Refrigerant Recovery
Liquid Line Remove/Install
3. Disconnect the liquid line refrigerant line couplers at the evaporator inlet and the condenser outlet. See Refrigerant Line Coupler for the
procedures. Install plugs in, or tape over all of the opened refrigerant line fittings.
4. Remove the liquid line from the vehicle.
INSTALLATION
1. Remove the tape or plugs from the refrigerant line fittings on the liquid line, the evaporator inlet and the condenser outlet. Connect the liquid line
to the evaporator inlet and condenser outlet refrigerant line couplers.
2. Connect the battery negative cable.
3. Evacuate the refrigerant system. Refer to: Heating and Air Conditioning, Service and Repair, Refrigerant System Evacuate, See: Service and
Repair/Refrigerant System Evacuate
4. Charge the refrigerant system. Refer to: Heating and Air Conditioning, Service and Repair, Refrigerant System Charge, See: Service and
Repair/Refrigerant System Charge
Right Hand Drive
A/C Liquid Hose/Line Replacement
