Updated specs are available.
Differential side-gear thrust-washer selection (NA8)
This spec doesn't apply to the car you selected.
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.
Mark 0: ≈0.07874 in (2.00 mm); mark 0.5: ≈0.08071 in (2.05 mm); mark 1: ≈0.08268 in (2.10 mm); mark 1.5: ≈0.08465 in (2.15 mm); mark 2: ≈0.08661 in (2.20 mm)Mark 0: 2.00 mm; mark 0.5: 2.05 mm; mark 1: 2.10 mm; mark 1.5: 2.15 mm; mark 2: 2.20 mm
Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure
Open differential only. Select the thrust washers required to achieve side-gear/pinion-gear backlash of 0–0.1 mm. Mark numbers identify thickness choices; they are not backlash measurements. Follow the full factory differential reassembly procedure and secure the pinion-shaft knock pin as specified.
Applies to
- NA 1994–1997 (BP, open) — Actual 1994 factory evidence; other years in the approved family inferred with owner approval.
- Verified in: 1994 Mazda MX-5 Miata Workshop Manual
Sources (1)
View 1 source citations
- 1994 Mazda MX-5 Miata Workshop ManualTier 1
Page M–40 (PDF p. 625) · Printed value & notes
Page M–40 (PDF p. 625)Printed: “Thrust washer thickness: Identification mark Thickness 0 2.00mm {0.0787 in} 0.5 2.05mm {0.0807 in} 1 2.10mm {0.0827 in} 1.5 2.15mm {0.0846 in} 2 2.20mm {0.0866 in}”
Related service specs
- Differential pinion bearing preload (NA6)
- Differential pinion bearing preload (NA8)
- Differential pinion bearing preload (NB1)
- Differential side-gear/pinion-gear backlash — standard (NA6)
- Differential side-gear/pinion-gear backlash — standard (NA8)
- Differential side-gear/pinion-gear backlash — standard (NB1)
- Differential side-gear/pinion-gear backlash — standard (NB2 open differential)
- Differential drive-pinion/ring-gear backlash — setup target (NA6)