# A/C magnetic clutch standard clearance (NB1)

Canonical URL: https://miatatorque.com/spec/ac-magnetic-clutch-clearance-nb1/

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

Confidence: fsm

0.35–0.65 mm {0.014–0.025 in}

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": "ac-magnetic-clutch-clearance-nb1",
  "name": "A/C magnetic clutch standard clearance (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": "non-torque",
  "value_text": "0.35–0.65 mm {0.014–0.025 in}",
  "procedure": {
    "notes": "Adjust with shims if necessary."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1999",
      "page": "07–40–3",
      "as_printed": "Standard clearance\n0.35–0.65 mm {0.014–0.025 in}",
      "verified_years": [
        1999,
        1999
      ],
      "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": "hvac",
  "component": "reaudit-1999",
  "componentName": "Additional 1999 factory specifications",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/ac-magnetic-clutch-clearance-nb1/"
}
```