All NA & NB Miatas

Power plant frame (PPF) bolts

77–91 ft·lb104–123 N·m104–123 N·m77–91 ft·lb
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure
Sequence
1) Differential mounting spacer 37–52 N·m (27–38 ft·lb). 2) Support the transmission level, fit the PPF and snug the transmission-side bolts by hand (reamer bolt in the forward hole; check the sleeve is in the block). 3) Snug the spacer, bolts and PPF bracket. 4) Torque the transmission-side bolts. 5) Torque the differential-side bolts.

The order matters: torquing the PPF in the wrong order preloads the drivetrain.

Applies to
  • NA 1990–1993
  • Verified in: 1990 Mazda MX-5 Miata Workshop Manual
Sources

Used in jobs