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Thermostat full-open lift — minimum (NB1)
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Not yet checked against the factory manual for your car's year. It's verified in the 1999 Mazda MX-5 Miata Workshop Manual; later manuals may differ.
0.33 in (8.5 mm) minimum at 212 °F (100 °C)8.5 mm {0.33 in} minimum at 100°C {212°F}
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure
Factory single-valve thermostat specification; this source does not use the NA8 main/sub-valve values. Inspect for opening at room temperature and for opening temperature and lift; replace as necessary. Repeated in technical data 01–50–2 (PDF313). Minimum lift at specified full-open temperature.
Applies to
- NB 1999–2000 (BP-4W) — Other years inferred from 1999 factory evidence.
- Verified in: 1999 Mazda MX-5 Miata Workshop Manual
Sources (1)
View 1 source citations
Page 01–12–5 (PDF p. 224) · Printed value & notes
Page 01–12–5 (PDF p. 224)Printed: “Full-open lift mm {in} 8.5 {0.33} min.”
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