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Radiator cap pressure test (NA8)
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Not yet checked against the factory manual for your car's year. It's verified in the 1994 Mazda MX-5 Miata Workshop Manual; later manuals may differ.
10.7–14.9 psi (73.6–102 kPa; 0.75–1.05 kgf/cm²); hold about 10 s73.6–102 kPa {0.75–1.05 kgf/cm², 10.7–14.9 psi}; hold about 10 s
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure
Remove cap only from a cool engine. Clean residue from cap valve and seat. Attach to cap tester with correct adapter, apply pressure gradually and wait about 10 seconds; verify pressure has not decreased. Cap test, not cooling-system leak-test pressure.
Applies to
- NA 1994–1997 (BP) — Other years inferred from 1994 factory evidence.
- Verified in: 1994 Mazda MX-5 Miata Workshop Manual
Sources (1)
View 1 source citations
- 1994 Mazda MX-5 Miata Workshop ManualTier 1
Page E–7 (PDF p. 143) · Printed value & notes
Page E–7 (PDF p. 143)Printed: “73.6—102 kPa {0.75—1.05 kgf/cm², 10.7—14.9 psi}”
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