Ford 2003 Mustang Workshop Manual page 281

7. Position the special tool as shown. Turn the Companion Flange Runout Gauge, and locate and
mark the high spot on the pinion flange with yellow paint.
If the flange runout exceeds 0.25 mm (0.010 inch), remove the pinion flange, reindex the flange one-
half turn on the pinion, and reinstall it. Refer to
8. Check the runout again. If necessary, rotate the flange until an acceptable runout is obtained. If
the flange runout is still more than 0.25 mm (0.010 inch), install a new pinion flange.
9. If excessive runout is still evident after installing a new pinion flange, install a new ring and
pinion. Repeat the above checks until the runout is within specifications.
10. Install the driveshaft. Refer to
Tooth Contact Pattern Check — Gearset
1. To check the gear tooth contact, paint the gear teeth with the special marking compound. A
mixture that is too wet will run and smear; a mixture that is too dry cannot be pressed out from
between the teeth.
Section 205-02A
Section 205-01 .
or Section 205-02B .