Showing specs for all NA & NB Miatas

Steering rack preload adjusting cover (NB2)

  1. With rack centered, tighten three times using the SST.43 in·lbin·lb4.9 N·m4.9 N·m43 in·lb
  2. Loosen (return) 25 degrees. Check pinion torque, then tighten the separate locknut per PDF p. 1692.
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

This is a preload adjustment, not a single final tightening torque. Follow PDF pp. 1691–1692 and verify pinion torque before locking the adjustment.

Applies to
  • NB 2001–2005 (BP-Z3)
  • NB 2004–2005 (BP-Z3-TURBO)
  • Verified in: 2005 Mazda MX-5 Miata Workshop Manual (electronic manual capture)
Sources
  • 2005 Mazda MX-5 Miata Workshop Manual (electronic manual capture)Tier 1
    Page PDF p. 1691
    1. Stage 1 — With rack centered, tighten three times using the SST.: 43 in·lbin·lb4.9 N·m4.9 N·m43 in·lb
    2. Stage 2 — Loosen (return) 25 degrees. Check pinion torque, then tighten the separate locknut per PDF p. 1692.:
    Printed: “Tighten the adjusting cover to a torque of 4.9 N·m {50 kgf·cm, 43 in·lbf} three times, then return it 25° using the SST.”

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