Differential pinion-height adjustment tolerance (NB2 and Mazdaspeed)

−0.001–0.001 in (−0.032–0.032 mm)−0.032–0.032 mm {−0.001–0.001 in}

Factory manualTaken from a Mazda factory workshop manual, with page citation.

Procedure

Factory setup adjustment tolerance. Use the specified pinion-height fixture, average the left/right gauge readings, and account for the number inscribed on the drive-pinion end: subtract the inscribed number divided by 100; use zero if no number is inscribed. Select the matching spacer using the complete overhaul procedure. This is not the distance from the pinion to the ring gear.

Applies to

NB 2001–2005 (BP-Z3) — Actual 2003, 2004 and 2005 factory evidence; 2001–2002 inferred within the owner-approved NB2 non-turbo family.
NB 2004–2005 (BP-Z3-TURBO) — Actual 2005 shared factory driveline specifications; 2004 MSM inferred with owner approval.
Verified in: 2005 Mazda MX-5 Miata Workshop Manual (electronic manual capture); 2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture); 2004 Mazda MX-5 Miata Workshop Manual (electronic manual capture)

Sources (3)

View 3 source citations

2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture)Tier 1
Page Driveline/Axle Technical Data (PDF p. 1058) · Printed value & notes
Page Driveline/Axle Technical Data (PDF p. 1058)
Printed: “Pinion height (mm {in}) −0.032—0.032 {−0.001—0.001}”
2004 Mazda MX-5 Miata Workshop Manual (electronic manual capture)Tier 1
Page Driveline/Axle Technical Data (PDF p. 1078) · Printed value & notes
Page Driveline/Axle Technical Data (PDF p. 1078)
Printed: “Pinion height (mm {in}) −0.032—0.032 {−0.001—0.001}”
2005 Mazda MX-5 Miata Workshop Manual (electronic manual capture)Tier 1
Page Driveline/Axle Technical Data (PDF p. 1212) · Printed value & notes
Page Driveline/Axle Technical Data (PDF p. 1212)
Printed: “Pinion height (mm {in}) −0.032—0.032 {−0.001—0.001}”

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