# Rear crossmember mounting fasteners to body (NA6)

Canonical URL: https://miatatorque.com/spec/rear-crossmember-bolts-na6/

Applicability: NA 1990–1993 (B6) — Other years in this family inferred from 1990 factory evidence with owner approval; actual-year verification is separate.

Confidence: fsm

69–86 ft·lb / 93–117 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": "rear-crossmember-bolts-na6",
  "name": "Rear crossmember mounting fasteners to body (NA6)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1990,
        1993
      ],
      "engines": [
        "B6"
      ],
      "note": "Other years in this family inferred from 1990 factory evidence with owner approval; actual-year verification is separate."
    }
  ],
  "kind": "torque",
  "torque": {
    "nm": [
      93,
      117
    ],
    "kgfm": [
      9.5,
      11.9
    ],
    "ftlb": [
      69,
      86
    ]
  },
  "procedure": {
    "notes": "Remove differential and PPF first; lower crossmember/suspension as assembly then separate. Arm and stabilizer bracket bolts only loosely assembled until lowered/unladen; rear alignment and brake bleed afterward. These are the body mounting nuts, not the PPF-to-differential fasteners."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1990",
      "page": "R–26 (PDF p. 507)",
      "as_printed": "93—117 (9.5—11.9, 69—86)\nN·m (m-kg, ft-lb)",
      "verified_years": [
        1990,
        1990
      ],
      "torque": {
        "nm": [
          93,
          117
        ],
        "kgfm": [
          9.5,
          11.9
        ],
        "ftlb": [
          69,
          86
        ]
      },
      "document": {
        "id": "fsm-1990",
        "tier": 1,
        "title": "1990 Mazda MX-5 Miata Workshop Manual",
        "part_number": "1193-10-89C",
        "covers": [
          {
            "gen": "NA",
            "years": [
              1990,
              1990
            ],
            "engines": [
              "B6"
            ]
          }
        ],
        "url": "https://archive.org/details/1990-mazda-mx-5-miata-workshop-manual_202411"
      }
    }
  ],
  "jobs": [],
  "system": "suspension-rear",
  "component": "gap-followup-2026-10",
  "componentName": "Additional factory manual gap audit",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/rear-crossmember-bolts-na6/"
}
```