# Heater unit mounting nuts (NA 1.8)

Canonical URL: https://miatatorque.com/spec/heater-unit-nuts-na-bp/

Applicability: NA 1994–1997 (BP)

Confidence: fsm

70–95 in·lb / 7.9–10.7 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": "heater-unit-nuts-na-bp",
  "name": "Heater unit mounting nuts (NA 1.8)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1994,
        1997
      ],
      "engines": [
        "BP"
      ]
    }
  ],
  "kind": "torque",
  "torque": {
    "nm": [
      7.9,
      10.7
    ],
    "kgfcm": [
      80,
      110
    ],
    "inlb": [
      69.5,
      95.4
    ]
  },
  "procedure": {
    "notes": "1994 factory evidence; applicability to 1995–1997 is inferred within the owner-approved NA 1.8 year group."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1994",
      "page": "U–16",
      "as_printed": "7.9–10.7 N·m {80–110 kgf·cm, 69.5–95.4 in·lbf}",
      "verified_years": [
        1994,
        1994
      ],
      "torque": {
        "nm": [
          7.9,
          10.7
        ],
        "kgfcm": [
          80,
          110
        ],
        "inlb": [
          69.5,
          95.4
        ]
      },
      "document": {
        "id": "fsm-1994",
        "tier": 1,
        "title": "1994 Mazda MX-5 Miata Workshop Manual",
        "covers": [
          {
            "gen": "NA",
            "years": [
              1994,
              1997
            ],
            "engines": [
              "BP"
            ]
          }
        ],
        "note": "Mazda's base manual for 1994–97; later model years got supplements, which we haven't checked yet."
      }
    }
  ],
  "jobs": [],
  "system": "hvac",
  "component": "reaudit-1994",
  "componentName": "Additional 1994 factory service specifications",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/heater-unit-nuts-na-bp/"
}
```