Contact Pattern Location

Contact Pattern Location





In general, desirable ring gear tooth patterns must have the following characteristics: drive pattern on the drive side ring gear well centered on the tooth coast pattern on the coast side ring gear well centered on the tooth clearance between the pattern and the top of the tooth no hard lines where the pressure is high

Acceptable ring gear tooth patterns for all axles.





Correct backlash with a thinner pinion position shim required.





Correct backlash with a thicker pinion position shim required.





Correct pinion position shim that requires a decrease in backlash.





Correct pinion position shim that requires an increase in backlash.