Mazda MX-3 silhouetteMX-3

TRANSAXLE — Primary shaft assembly notes (3rd/4th gear)

J2-34prose procedure

Manual transaxle primary shaft assembly

3rd gear, 3rd synchronizer ring and 3rd/4th clutch hub assembly

  1. 1
    Install the 3rd gear, 3rd synchronizer ring, and 3rd/4th clutch hub assembly by using a press.
    Oil groove (four places) on the gear
    Two side-by-side detail drawings. Left: a hand placing the 3rd gear over an oil groove, labeled 'OIL GROOVE (FOUR PLACES)'. Right: pressing the 3rd gear, 3rd synchronizer ring, and 3rd/4th clutch hub assembly onto the shaft using a press.

4th synchronizer ring, 4th gear and bearing

  1. 1
    Install the 4th synchronizer ring, 4th gear, and a new bearing by using the SSTs.
    Installing the 4th synchronizer ring, 4th gear and a new bearing onto the primary shaft using SSTs. Tools 49 F401 336B and 49 0636 145 labeled along the shaft.
  2. 2
    Measure the clearance between the 3rd gear and 2nd gear.
    Hand holding the primary shaft assembly while measuring the clearance between the 3rd gear and 2nd gear.
  3. 3
    Measure the clearance between the 4th gear and bearing.
    Hand holding the primary shaft assembly while measuring the clearance between the 4th gear and the bearing.
  4. 4
    If not as specified, reassemble the primary shaft assembly.
Clearance (3rd gear / 2nd gear)
0.05—0.20mm {0.002—0.008 in}
Maximum (3rd gear / 2nd gear)
0.25mm {0.010 in}
Clearance (4th gear / bearing)
0.17—0.37mm {0.007—0.015 in}
Maximum (4th gear / bearing)
0.42mm {0.017 in}

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