Showing specs for all NA & NB Miatas

Thermostat housing to cylinder head bolts (NB2)

14–18 ft·lb19–25 N·m19–25 N·m14–18 ft·lb
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Use new gasket.

Applies to
  • NB 2004–2005 (BP-Z3-TURBO, 6MT)
  • Verified in: 2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turbo
Sources
  • 2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turboTier 1
    Part no. 9999-95-EWBP-04
    Page 01–10–7 (PDF p. 19)
    14–18 ft·lb (19–25 N·m)
    Printed: “19—25 N·m {1.9—2.6 kgf·m, 14—18 ft·lbf}”
    BP WITH TC (Mazdaspeed) applicability; the normally aspirated BP workshop content does not establish applicability to the VVT engine.