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Home >> Mazda >> 2007 >> CX-7 Touring, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Basic System (HVAC) >> Refrigerant Lines Removal/Installation >> Refrigerant Line Installation Note

Refrigerant Line Installation Note

  1. When installing a new cooler pipe or cooler hose, 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 

    10 ml {10 cc, 0.3 fl oz}: Cooler hose 

  2. Apply compressor oil to the O-rings and connect the joints.
  3. Tighten the joints.