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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 523 (REFRIGERANT SYSTEM [HVAC])REFRIGERANT SYSTEM SERVICE CAUTIONS
2008 Mazda 6 s Sport, 4D Hatchback, Standard

Refrigerant System Service Cautions

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Refrigerant System Service Cautions
WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
  • Use only DENSO OIL8 compressor oil for this vehicle. Using PAG oil other than DENSO OIL8 compressor oil can damage the A/C compressor. 
  • Do not spill DENSO OIL8 compressor oil on the vehicle. A drop of compressor oil on the vehicle surface can eat away at the paint. If oil gets on the vehicle, wipe it off immediately. 
  • PAG oil has a higher moisture absorption efficiency than the previously used mineral oil. If moisture mixes with the compressor oil, the refrigerant system could be damaged. Therefore, install caps immediately after using the compressor oil or removing refrigerant system parts to prevent moisture absorption. 
    Fig 1: Refrigerant System Service Graph
    G03638524Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.