# Front upper control arm pivot nut (NA6)

Canonical URL: https://miatatorque.com/spec/front-upper-arm-pivot-nut-na6/

Applicability: NA 1990–1993 (B6) — 1991–1993 applicability inferred from 1990 factory evidence within the owner-approved NA6 group.

Confidence: fsm

75–102 ft·lb / 102–138 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": "front-upper-arm-pivot-nut-na6",
  "name": "Front upper control arm pivot nut (NA6)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1990,
        1993
      ],
      "engines": [
        "B6"
      ],
      "note": "1991–1993 applicability inferred from 1990 factory evidence within the owner-approved NA6 group."
    }
  ],
  "kind": "torque",
  "torque": {
    "nm": [
      102,
      138
    ],
    "kgfm": [
      10.4,
      14
    ],
    "ftlb": [
      75,
      102
    ]
  },
  "procedure": {
    "notes": "Loosely tighten upper arm and shock absorber bolts, lower vehicle, then tighten with vehicle unladen. Adjust front wheel alignment."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1990",
      "page": "R–17 (PDF p. 498)",
      "as_printed": "102—138 (10.4—14.0, 75—102)\nN·m (m-kg, ft-lb)",
      "torque": {
        "nm": [
          102,
          138
        ],
        "kgfm": [
          10.4,
          14
        ],
        "ftlb": [
          75,
          102
        ]
      },
      "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-front",
  "component": "reaudit-1990",
  "componentName": "Additional NA6 factory specifications",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/front-upper-arm-pivot-nut-na6/"
}
```