# Five-speed change control case — oil specification & capacity (2004)

Canonical URL: https://miatatorque.com/spec/five-speed-change-control-case-oil-capacity-2004/

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

Confidence: fsm

80–95 ml / 4.9–5.8 cu in / 80–95 cc · Manual transmission gear oil; API service GL 4 or GL 5; SAE 75W-90

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-change-control-case-oil-capacity-2004",
  "name": "Five-speed change control case — oil specification & capacity (2004)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        2004,
        2004
      ],
      "engines": [
        "BP-Z3"
      ],
      "trans": [
        "5MT"
      ]
    }
  ],
  "kind": "capacity",
  "capacity": {
    "ml": [
      80,
      95
    ],
    "cc": [
      80,
      95
    ],
    "cu_in": [
      4.9,
      5.8
    ]
  },
  "fluid": {
    "type": "Manual transmission gear oil",
    "viscosity": "SAE 75W-90",
    "standard": "API service GL 4 or GL 5"
  },
  "procedure": {
    "notes": "Separate change control case quantity after extension-housing removal or transmission overhaul. Do not substitute this for the main transmission oil capacity."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-2004",
      "page": "PDF pp. 1388–1389",
      "as_printed": "Grade: API service GL 4 or GL 5\nViscosity: SAE 75W-90\nCapacity (approximate quantity): 80—95 ml (80—95 cc, 4.9—5.8 cu in}",
      "capacity": {
        "ml": [
          80,
          95
        ],
        "cc": [
          80,
          95
        ],
        "cu_in": [
          4.9,
          5.8
        ]
      },
      "fluid": {
        "type": "Manual transmission gear oil",
        "viscosity": "SAE 75W-90",
        "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-change-control-case-oil-capacity-2004/"
}
```