High Priority 94% confidence

Unusual noise and metallic grinding when A/C is on

in Mazda CX-9 (2016-2024)

Symptoms

  • No cold air from vents
  • Irregular A/C operation
  • Unusual noises when A/C is turned on
  • Frost or ice on pipes under the hood

DTC error codes

Low Pressure Instability

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A/C Technical Specifications

5 (KF) 2,0 i / 2,5 i

Refrigerant: R1234yf Amount (g): 500g Oil: FD46 YF PAO 68 AA1 lub PAG ISO 46 YF Oil (ml): 100ml

5 (KF) 2,2 D

Refrigerant: R1234yf Amount (g): 480g Oil: FD46 YF PAO 68 AA1 lub PAG ISO 46 YF Oil (ml): 100ml

3 (DK)

Refrigerant: R1234yf Amount (g): 360g Oil: PAG yf PAO 68 AA1 lub Oil (ml): b.d.ml
See full specification

Other problems in CX-9

A/C cooling is weak and gradually loses performance

High Priority

No airflow from specific vents or clicking noise behind dashboard

High Priority

Unpleasant odor (musty/mold) and fogging of windows in the cabin

High Priority

A/C cooling is weak and gradually loses performance

High Priority

No airflow from specific vents or clicking noise behind dashboard

High Priority

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