Driveline System-General Information: Component Locations Ford Econoline E150

Contact Pattern Location

In general, desirable ring gear tooth patterns must have the following characteristics

1. Drive pattern on the drive side ring gear well centered on the tooth.
2. Coast pattern on the coast side ring gear well centered on the tooth.
3. Clearance between the pattern and the top of the tooth.
4. No hard lines where the pressure is high.

Scheme 15

Acceptable ring gear tooth patterns for all axles.

Scheme 16

Correct backlash with a thinner pinion position shim required.

Scheme 17

Correct backlash with a thicker pinion position shim required.

Scheme 18

Correct pinion position shim that requires an increase in backlash.

Scheme 19