# Differential to chassis outer mounting nuts

Canonical URL: https://miatatorque.com/spec/diff-mount-outer-nuts-na/

Applicability: NA 1994 (BP); NA 1997 (BP)

Confidence: single-source

13–20 ft·lb / 18–27 N·m

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": "diff-mount-outer-nuts-na",
  "name": "Differential to chassis outer mounting nuts",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1994,
        1994
      ],
      "engines": [
        "BP"
      ]
    },
    {
      "gen": "NA",
      "years": [
        1997,
        1997
      ],
      "engines": [
        "BP"
      ]
    }
  ],
  "kind": "torque",
  "torque": {
    "nm": [
      18,
      27
    ],
    "ftlb": [
      13,
      20
    ]
  },
  "confidence": "single-source",
  "sources": [
    {
      "source": "mitchell1-1994-differential",
      "page": "PDF p. 11",
      "as_printed": "Differential-To-Chassis Mount Nuts — Outer Nuts (2) 13-20 (18-27)",
      "torque": {
        "nm": [
          18,
          27
        ],
        "ftlb": [
          13,
          20
        ]
      },
      "note": "Claim for the 1994 Miata printout; does not extend this spec's applicability.",
      "document": {
        "id": "mitchell1-1994-differential",
        "tier": 2,
        "title": "Mitchell1 1994 MX-5 Miata: differential",
        "covers": [
          {
            "gen": "NA",
            "years": [
              1994,
              1994
            ]
          }
        ],
        "url": "https://www.mellens.net/mazda/Mazda-Miata-1994/differential.pdf",
        "note": "Secondary service printout. Some articles cover multiple Mazda models or years; citations use only the identified Miata entries. Other Mitchell1 printouts count as the same publisher, not independent consensus."
      }
    },
    {
      "source": "mitchell1-1997-differential",
      "page": "PDF p. 22",
      "as_printed": "Differential-To-Chassis Mount Nuts — Outer Nuts (2) 13-20 (18-27)",
      "torque": {
        "nm": [
          18,
          27
        ],
        "ftlb": [
          13,
          20
        ]
      },
      "note": "Claim for the 1997 Miata printout; does not extend this spec's applicability.",
      "document": {
        "id": "mitchell1-1997-differential",
        "tier": 2,
        "title": "Mitchell1 1997 MX-5 Miata: differential",
        "covers": [
          {
            "gen": "NA",
            "years": [
              1997,
              1997
            ]
          }
        ],
        "url": "https://www.mellens.net/mazda/Mazda-Miata-1997/differential.pdf",
        "note": "Secondary service printout. Some articles cover multiple Mazda models or years; citations use only the identified Miata entries. Other Mitchell1 printouts count as the same publisher, not independent consensus."
      }
    }
  ],
  "jobs": [],
  "system": "driveshaft-differential",
  "component": "differential",
  "componentName": "Differential",
  "url": "https://miatatorque.com/spec/diff-mount-outer-nuts-na/"
}
```