Refrigerant Line Removal/Installation: L5

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the engine coolant tank. See. ENGINE COOLANT LEAKAGE INSPECTION [L5] . See. ENGINE COOLANT LEAKAGE INSPECTION [MZI-3.7] .
Discharge the refrigerant. See. REFRIGERANT CHARGING .
Disconnect the refrigerant pressure sensor connector.
Remove the No. 3 engine mount earth.
Do not allow remaining compressor oil in the piping and connecting parts to spill, and remove in the order indicated in the table.
CAUTION:
- If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
  
  Fig 1: Identifying Refrigerant Line With Bolt
  Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
Perform the refrigerant system performance test. See. REFRIGERANT SYSTEM PERFORMANCE TEST .

Fig 2: Refrigerant System Replacement Components With Torque Specifications
Courtesy of MAZDA MOTORS CORP.