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Home >> Mazda >> 1998 >> 626 DX, Standard >> Repair and Diagnosis >> Transmission >> Manual Trans >> Overhaul - F25M-R & G25M-R >> Adjustments >> Bearing Preload (F25M-R) >> Primary Shaft

Primary Shaft

  1. Install primary shaft assembly into clutch housing. Install transaxle case to clutch housing and tighten bolts to 14-18 ft. lbs. (19-25 N.m).
  2. Mount dial indicator to clutch housing and place plunger on end of primary shaft. See Fig 1 . Zero dial indicator. Pull primary shaft upward and record measurement.
  3. Thrust clearance should be .0002-.0039" (.005-.100 mm). Select appropriate shim to adjust clearance. Shims are available in following thicknesses: .004-.024" (.10-.60 mm) in .004" (.10 mm) increments.
Fig 1: Measuring Primary Shaft Thrust Clearance (F25M-R)
G96I31623Courtesy of MAZDA MOTORS CORP.