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Home >> Suzuki >> 1987 >> Samurai Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Propeller Shaft) >> Diagnostic Information and Procedures >> Differential Pinion Input Shaft Runout Measurement
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Differential Pinion Input Shaft Runout Measurement

WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.

Special Tool 

J 7872 Magnetic Base Dial Indicator Set, or equivalent 

NOTE: This measurement procedure is intended to measure drive axle pinion input shaft runout for systems with a constant velocity (CV) joint, rubber coupling or bolt-on U-joint yoke at the drive axle
  1. Place the transmission in NEUTRAL.
  2. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
  3. If equipped with a CV joint, measure the drive axle pinion input shaft radial runout on the splined surface of the prop shaft rear CV joint housing, as close to the flange as possible:
    1. Clean the surface of the prop shaft rear CV joint housing just ahead of the torque tube input flange.
    2. Mount a dial indicator set, J 7872, or equivalent, and position the dial indicator to contact the prop shaft rear CV joint housing as close to the drive axle input flange as possible.
  4. If equipped with a rubber coupling or bolt-on U-joint yoke, measure the differential pinion input shaft radial runout on the machined surface of the flange pilot area:
    • Mark the position of the prop shaft to the drive axle input flange.
    • Separate the prop shaft from the drive axle input flange.
    • Clean the surface of the flange pilot area.
    • Mount a dial indicator set, J 7872, or equivalent, and position the dial indicator to contact the pilot area as close to the drive axle input flange as possible.
  5. If equipped with a torque tube, measure the radial runout on the machined surface of the splined shaft:
    1. Remove the torque tube assembly from the vehicle.
    2. Clean the surface of the splined shaft.
    3. Mount a dial indicator set, J 7872, or equivalent, and position the dial indicator to contact the machined area as close to the end of the shaft as possible.
  6. Rotate the drive axle input shaft by hand to locate the low spot.
  7. Set the dial indicator to zero on the low spot.
  8. Rotate the shaft by hand and record the amount of radial runout.
  9. Compare the runout of the shaft to the runout tolerance specifications guidelines.
  10. If the drive axle input shaft runout exceeds the specification, the flange requires replacement.
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