Protege ES L4-2.0L DOHC (2001)
Hose/Line HVAC: Service and Repair
REFRIGERANT LINES REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system.
3. Pull up the coolant reservoir.
4. Remove the fresh-air duct, radiator bracket, air cleaner, and resonance chamber.
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.
5. Remove in the order indicated below. Do not allow compressor oil to spill.
1. Cooler pipe No.1 (type A only)
2. Cooler pipe No.2
3. Cooler pipe No.3
4. Cooler hose (HI)
5. Cooler hose (LO)
6. Install in the reverse order of removal.
7. Perform the refrigerant system performance test.
Refrigerant Lines Removal Note
Nut joint type
1. Loosen the nut using 2 spanners, then remove the cooler pipe or hose.
Spring-lock coupling type
1. Set the SST.