General Information

Before final assembly of the differential, a gear tooth contact pattern check should be performed.

A gear tooth contact pattern check is NOT a substitute for adjusting pinion depth and backlash as previously outlined. It is a method to verify the correct running position of the ring gear and the drive pinion. Gear sets which are not positioned properly may be noisy, have a short life, or both. With a pattern check, the best contact between the ring gear and the drive pinion for low noise level and long life can be ensured.