# A/C oil addition — new evaporator (NA 1.8)

Canonical URL: https://miatatorque.com/spec/air-conditioning-evaporator-replacement-oil-1994/

Applicability: NA 1994–1997 (BP) — Other years in this family inferred from 1994 factory evidence with owner approval; actual-year verification is separate.

Confidence: fsm

50 ml / ≈1.691 US fl oz

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": "air-conditioning-evaporator-replacement-oil-1994",
  "name": "A/C oil addition — new evaporator (NA 1.8)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1994,
        1997
      ],
      "engines": [
        "BP"
      ],
      "note": "Other years in this family inferred from 1994 factory evidence with owner approval; actual-year verification is separate."
    }
  ],
  "kind": "capacity",
  "capacity": {
    "ml": [
      50,
      50
    ]
  },
  "procedure": {
    "notes": "When installing a new evaporator, add 50 ml of compressor oil to the A/C compressor. Replacement supplement, not total system charge. Owner selected printed ml; inconsistent printed fl oz remain in the citation and are excluded from parsed units."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1994",
      "page": "U–32 (PDF p. 1094)",
      "as_printed": "50 ml {50 cc, 1.5 fl oz}",
      "verified_years": [
        1994,
        1994
      ],
      "capacity": {
        "ml": [
          50,
          50
        ]
      },
      "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": "operator-reaudit-2026-10",
  "componentName": "Owner-resolved factory manual specifications",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/air-conditioning-evaporator-replacement-oil-1994/"
}
```