Showing specs for all NA & NB Miatas

Transmission oil pump inner/outer gear end clearance (SB4A-EL 4AT)

Clearance Standard: ≈0.00079—0.00197 in (0.02—0.05 mm) Maximum: ≈0.00394 in (0.1 mm)Clearance Standard: 0.02—0.05 mm Maximum: 0.1 mm

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

Measure gear ends relative to pump body with a straightedge and feeler gauge at four places along their circumferences. Replace pump if outside specification.

Applies to
  • NB 2001–2005 (BP-Z3, 4AT) — 2003–2005 factory references identify this component manual; 2001–2002 inferred within NB2 non-turbo family.
  • Verified in: Mazda SB4A-EL Automatic Transmission Workshop Manual

Sources (2)

View 2 source citations
  • Mazda SB4A-EL Automatic Transmission Workshop ManualTier 1
    Page 05–13Y–10 (PDF p. 22) · Printed value & notes
    Part no. 9999-95-422H-99
    Page 05–13Y–10 (PDF p. 22)
    Printed: “Clearance Standard: 0.02—0.05 mm {0.00079—0.00196 in} Maximum: 0.1 mm {0.00394 in}”
  • Mazda SB4A-EL Automatic Transmission Workshop ManualTier 1
    Page 05–50–1 (PDF p. 87) · Printed value & notes
    Part no. 9999-95-422H-99
    Page 05–50–1 (PDF p. 87)
    Printed: “Oil pump Inner gear and outer gear and pump body (mm {in}) Standard 0.02—0.05 {0.00079—0.00196} Maximum 0.1 {0.00394}”