# Five-speed transmission oil specification & capacity (2004)

Canonical URL: https://miatatorque.com/spec/five-speed-transmission-oil-capacity-2004/

Applicability: NB 2004 (BP-Z3, 5MT)

Confidence: fsm

2 L / 2.1 US qt / 1.8 Imp qt · Manual transmission gear oil; API service GL 4 or GL 5; SAE 75W-90 (All season) or SAE 80W-90 (Above 10°C {50°F})

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": "five-speed-transmission-oil-capacity-2004",
  "name": "Five-speed transmission oil specification & capacity (2004)",
  "aliases": [
    "Five-speed transmission oil specification & capacity"
  ],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        2004,
        2004
      ],
      "engines": [
        "BP-Z3"
      ],
      "trans": [
        "5MT"
      ]
    }
  ],
  "kind": "capacity",
  "capacity": {
    "l": [
      2,
      2
    ],
    "qt_us": [
      2.1,
      2.1
    ],
    "qt_imp": [
      1.8,
      1.8
    ]
  },
  "fluid": {
    "type": "Manual transmission gear oil",
    "viscosity": "SAE 75W-90 (All season) or SAE 80W-90 (Above 10°C {50°F})",
    "standard": "API service GL 4 or GL 5"
  },
  "procedure": {
    "notes": "Fill to the brim of the filler/check hole. The change-control case is a separate quantity."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-2004",
      "page": "PDF p. 1401",
      "as_printed": "Grade: API service GL 4 or GL 5\nViscosity: SAE 75W-90 (All season) or SAE 80W-90 (Above 10°C {50°F})\nCapacity (approximate quantity): 2.0 L {2.1 US qt, 1.8 Imp qt}",
      "capacity": {
        "l": [
          2,
          2
        ],
        "qt_us": [
          2.1,
          2.1
        ],
        "qt_imp": [
          1.8,
          1.8
        ]
      },
      "fluid": {
        "type": "Manual transmission gear oil",
        "viscosity": "SAE 75W-90 (All season) or SAE 80W-90 (Above 10°C {50°F})",
        "standard": "API service GL 4 or GL 5"
      },
      "document": {
        "id": "fsm-2004",
        "tier": 1,
        "title": "2004 Mazda MX-5 Miata Workshop Manual (electronic manual capture)",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2004,
              2004
            ],
            "engines": [
              "BP-Z3"
            ]
          }
        ],
        "note": "Normally aspirated BP procedures audited; turbo procedures are covered separately."
      }
    }
  ],
  "jobs": [],
  "system": "transmission",
  "component": "transmission-fluids",
  "componentName": "Fluids & capacities",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/five-speed-transmission-oil-capacity-2004/"
}
```