Beginning With VIN #343314

TOOTH CONTACT
Checking gear tooth contact pattern is necessary to verify correct relationship between ring gear and drive pinion.
Hypoid gear set which is not positioned properly may be noisy, or have short life or both. With the checking or gear tooth contact pattern, the most desirable contact for low noise level and long life can be assured.
1. Thoroughly clean ring gear and drive pinion teeth.





2. Sparingly apply a mixture of powdered ferric oxide and oil or equivalent to 3 or 4 teeth of ring gear drive side.





3. Hold companion flange steady and rotate the ring gear in both directions.





Tooth Contact Area