Refrigerant Lines Removal/Installation: Notes

1. Disconnect the negative battery cable.
2. Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING .)
3. Remove the following parts, depending on pipe and hose to be removed.
   REFRIGERANT LINES REMOVAL/INSTALLATION
   
   

   Cooler pipe/hose to be removed	Parts to be removed
   Front cooler pipe No.1, No.2	Radiator grille
   Front cooler pipe No.3	Engine (See ENGINE REMOVAL/INSTALLATION .)
   Cooler hose (HI), (LO)	Splash shield
   Rear cooler pipe No.1	Cruise actuator Spare tire and insulator Front exhaust pipe (See EXHAUST SYSTEM REMOVAL/INSTALLATION .)
   Rear cooler pipe No.2	Rear side trim (RH), Tire (RH, Rear) Rear side trim (RH) Tire (RH, Rear) Rear heater and cooler pipe protector

   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.
   • Do not allow A/C compressor oil to spill. Operating the A/C compressor without sufficient A/C compressor oil can lead to abnormal noise and cause the A/C compressor to seize.
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
6. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)

FRONT 

Fig 1: Removing And Installing Front Refrigerant Lines - With Torque Specifications

Courtesy of MAZDA MOTORS CORP.

REAR 

Fig 2: Removing And Installing Rear Refrigerant Lines - With Torque Specifications

Courtesy of MAZDA MOTORS CORP.