Mazda MX-5 NA silhouetteMX-5 NA

DIFFERENTIAL

M-39prose procedure
Continued from M-38

Drive pinion installation (continued)

  1. 3
    Apply a light coat of grease to the end face of the companion flange.
    Photo of the companion flange showing the splined end face where grease is to be applied. The flange is shown isolated against a black background.
    05U0MX-106
  2. 4
    Install a new collapsible spacer.
  3. 5
    Install the drive pinion assembly.
    Do not install the oil seal.
  4. 6
    Install the companion flange, and tighten the locknut with the SST.
    Tightening torque: 118 N·m (12 m-kg, 87 ft-lb)
    Photo showing SST 49 S120 710 (holding tool) being used to hold the companion flange while tightening the locknut on the differential carrier.
    05U0MX-107
  5. 7
    Turn the companion flange several turns by hand to seat the bearing.
  6. 8
    Measure the drive pinion preload. Adjust the preload by tightening the locknut and record the tightening torque.
    Preload: 0.3—0.7 N·m (3—7 cm-kg, 2.6—6.1 in-lb)
    Tightening torque: 118—177 N·m (12—18 m-kg, 87—130 ft-lb)
    Photo showing a torque wrench being used to measure the drive pinion preload on the differential carrier.
    05U0MX-108
  7. 9
    Remove the nut, washer, and companion flange.
  8. 10
    Tap a new oil seal into the differential carrier with the SST.
    Photo showing SST 49 V001 795 being used to tap a new oil seal into the differential carrier.
    05U0MX-109
  9. 11
    Install the companion flange and washer, and tighten the locknut to the tightening torque recorded in Step 8.
    Photo showing the companion flange and washer installed, with the locknut being tightened using a torque wrench.
    05U0MX-110
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