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Home >> Mazda >> 2021 >> CX-5 Signature >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Refrigerant System >> Refrigerant Charging >> Charging Preparation

Charging Preparation

  1. Close all the valves of the manifold gauge.
    G13674812Courtesy of MAZDA MOTORS CORP.
  2. Close the refrigerant tank valve.
  3. Install the manifold gauge set. (See MANIFOLD GAUGE SET CONNECTION .)
  4. Connect the vacuum pump hose to the manifold gauge.
  5. Connect the tap pin side of the charging hose to the air purge valve of the manifold gauge.
  6. Connect the charging hose to the refrigerant tank (no-tap pin side).
  7. Place the refrigerant tank on the scale.
  8. Connect the vacuum pump hose to the vacuum pump.
  9. Perform a evacuation. (See Charging Preparation .)
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