# Window regulator forward mounting nut — manual and power (NB1)

Canonical URL: https://miatatorque.com/spec/manual-window-regulator-upper-nut-nb1/

Applicability: NB 1999–2000 (BP-4W) — 2000 applicability inferred from 1999 factory evidence within the owner-approved NB1 year group.

Confidence: fsm

79–112 in·lb / 8.8–12.7 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": "manual-window-regulator-upper-nut-nb1",
  "name": "Window regulator forward mounting nut — manual and power (NB1)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        1999,
        2000
      ],
      "engines": [
        "BP-4W"
      ],
      "note": "2000 applicability inferred from 1999 factory evidence within the owner-approved NB1 year group."
    }
  ],
  "kind": "torque",
  "torque": {
    "nm": [
      8.8,
      12.7
    ],
    "kgfcm": [
      90,
      130
    ],
    "inlb": [
      79,
      112
    ]
  },
  "procedure": {
    "notes": "Forward mounting nut in both manual and power regulator diagrams. The upper and lower regulator guide mounting nuts use the separate 19–25 N·m value."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1999",
      "page": "09–12–9",
      "as_printed": "8.8—12.7 N·m {90—130 kgf·cm, 79—112 in·lbf}",
      "verified_years": [
        1999,
        1999
      ],
      "torque": {
        "nm": [
          8.8,
          12.7
        ],
        "kgfcm": [
          90,
          130
        ],
        "inlb": [
          79,
          112
        ]
      },
      "document": {
        "id": "fsm-1999",
        "tier": 1,
        "title": "1999 Mazda MX-5 Miata Workshop Manual",
        "covers": [
          {
            "gen": "NB",
            "years": [
              1999,
              2000
            ],
            "engines": [
              "BP-4W"
            ]
          }
        ],
        "url": "https://www.mellens.net/mazda/Mazda-Miata-1999-2001.pdf"
      }
    },
    {
      "source": "fsm-1999",
      "page": "09–12–6 (PDF p. 627)",
      "as_printed": "8.8—12.7 N·m {90—130 kgf·cm, 79—112 in·lbf}",
      "verified_years": [
        1999,
        1999
      ],
      "torque": {
        "nm": [
          8.8,
          12.7
        ],
        "kgfcm": [
          90,
          130
        ],
        "inlb": [
          79,
          112
        ]
      },
      "document": {
        "id": "fsm-1999",
        "tier": 1,
        "title": "1999 Mazda MX-5 Miata Workshop Manual",
        "covers": [
          {
            "gen": "NB",
            "years": [
              1999,
              2000
            ],
            "engines": [
              "BP-4W"
            ]
          }
        ],
        "url": "https://www.mellens.net/mazda/Mazda-Miata-1999-2001.pdf"
      }
    }
  ],
  "jobs": [],
  "system": "body",
  "component": "reaudit-1999",
  "componentName": "Additional 1999 factory specifications",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/manual-window-regulator-upper-nut-nb1/"
}
```