# A/C oil addition — new cooling unit (2003)

Canonical URL: https://miatatorque.com/spec/air-conditioning-cooling-unit-replacement-oil-2003/

Applicability: NB 2003 (BP-Z3)

Confidence: fsm

40 ml / 1.4 US fl oz / 40 cc · DENSO OIL9 compressor oil

Always confirm against your factory manual. Match every restriction and follow all stages and procedure notes. Disputed claims must not be automatically resolved. The complete record below preserves every printed unit, source claim and procedure.

```json
{
  "id": "air-conditioning-cooling-unit-replacement-oil-2003",
  "name": "A/C oil addition — new cooling unit (2003)",
  "aliases": [
    "A/C oil addition — new cooling unit"
  ],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        2003,
        2003
      ],
      "engines": [
        "BP-Z3"
      ]
    }
  ],
  "kind": "capacity",
  "capacity": {
    "ml": [
      40,
      40
    ],
    "cc": [
      40,
      40
    ],
    "fl_oz_us": [
      1.4,
      1.4
    ]
  },
  "fluid": {
    "type": "DENSO OIL9 compressor oil"
  },
  "procedure": {
    "notes": "Supplemental amount (approximate quantity) only when installing a new cooling unit. These alternative service conditions are separate; do not add cooling-unit and evaporator quantities together for the same component replacement."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-2003",
      "page": "PDF p. 1641",
      "as_printed": "40 ml {40 cc, 1.4 fl oz}",
      "capacity": {
        "ml": [
          40,
          40
        ],
        "cc": [
          40,
          40
        ],
        "fl_oz_us": [
          1.4,
          1.4
        ]
      },
      "fluid": {
        "type": "DENSO OIL9 compressor oil"
      },
      "document": {
        "id": "fsm-2003",
        "tier": 1,
        "title": "2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture)",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2003,
              2003
            ],
            "engines": [
              "BP-Z3"
            ]
          }
        ],
        "note": "Normally aspirated BP procedures audited; turbo procedures are covered separately."
      }
    }
  ],
  "jobs": [],
  "system": "hvac",
  "component": "hvac-fluids",
  "componentName": "Fluids & capacities",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/air-conditioning-cooling-unit-replacement-oil-2003/"
}
```