Updated specs are available.
Cooling system leak test pressure (NA6)
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Not yet checked against the factory manual for your car's year. It's verified in the 1990 Mazda MX-5 Miata Workshop Manual; later manuals may differ.
15 psi (103 kPa; 1.05 kg/cm²)103 kPa (1.05 kg/cm², 15 psi)
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure
Connect a radiator pressure tester and specified adapter at the filler neck and verify pressure holds; inspect for leakage if it does not. Never remove the radiator cap while hot.
Applies to
- NA 1990–1993 (B6) — Other years inferred from 1990 factory evidence.
- Verified in: 1990 Mazda MX-5 Miata Workshop Manual
Sources (1)
View 1 source citations
Page E–4 (PDF p. 134) · Printed value & notes
Part no. 1193-10-89CPage E–4 (PDF p. 134)Printed: “103 kPa (1.05 kg/cm², 15 psi)”
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