Hose/Line HVAC: Service and Repair
REFRIGERANT LINES REMOVAL/INSTALLATION1. Remove the battery.
2. Discharge the refrigerant from the system. (See REFRIGERANT RECOVERY.)
3. Remove the air cleaner cover, air cleaner element and air cleaner case.
4. Remove the shroud panel.
5. Remove the right splash shield.
6. Remove the right mud guard.
7. Remove the front bumper.
8. Remove the washer tank.
9. Remove the front combination light (RH).
10. Remove in the order indicated in the table. Do not allow compressor oil to spill.
CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.
11. Install in the reverse order of removal.
12. Perform the refrigerant system performance test. Refrigerant System Performance Test
Refrigerant Lines Removal Note
Block joint type
1. Disconnect the block joint type pipes by grasping female side of the block with pliers or similar tool and holding firmly, then remove the connection bolt or nut.
Refrigerant Lines Installation Note
1. When installing a new cooler pipe No. 4 or cooler hose (LO), add a supplemental amount of ATMOS GU10 compressor oil into the refrigeration cycle.
Supplemental amount (approx. quantity)
5 ml (5 cc, 0.2 fl oz): Cooler pipe No. 4
10 ml (10 cc, 0.3 fl oz): Cooler hose (LO)
2. Apply compressor oil to the O-rings and connect the joints.
3. Tighten the joints.
Nut or block joint type
1. Tighten the nut or bolt of joint by hand.
2. Tighten the joint to the specified torque. If it is a nut join tighten the nut with a spanner and torque wrench.
3. Connect the block joint type pipes by grasping the female side of the block with pliers or similar tool and holding firmly, then tighten the connection bolt or nut with a torque wrench.