Tools Required
J 7872 Magnetic Base
Dial Indicator Set, or equivalent
- Raise and suitably support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Remove the torque tube assembly from the vehicle. Refer to
Driveline Torque Tube Replacement
in Rear Drive
Axle.
- Clean the surface of the first 25 mm (1 in) of the
differential pinion input shaft splines from the end of the shaft.
- Mount a dial indicator set, J 7872
, or equivalent, and position the dial indicator to contact the
differential pinion input shaft splines approximately 13 mm (½ in)
from the end of the shaft.
- Rotate the differential pinion input shaft by hand to locate the
low spot.
- Set the dial indicator to zero on the low spot.
- Rotate the differential pinion input shaft by hand and record
the amount of radial runout.
- Compare the runout of the differential pinion input shaft to the
following specification:
Specification
Differential pinion input shaft maximum allowable runout 0.05 mm
(0.002 in).
- If the differential pinion input shaft runout exceeds the specification,
the differential pinion assembly requires replacement.