Moving the ring gear away from the pinion will increase backlash and cause the pattern to move out toward the heel or the outside of the ring gear. When the pattern is located toward the heel or outside of the ring gear, there's too much or excessive backlash. This feature is not available right now. Since this is a 9-bolt, new gear sets are harder to come by. Coast side looks pretty good for used. Related Topics. Moving the pinion in and out with shims controls how high up or low down on the tooth the contact is. Almost There!
Rotate the pinion to turn the ring gear four complete revolutions on the drive side Moving the pinion in toward the ring gear causes the pattern to move toward. HIGH CONTACT Pattern is concentrated at the crown of the drive gear tooth. Move the pinion deeper in towards the differential carrier (add pinion shim). RING GEAR AND PINION TOOTH PATTERN INTERPRETATION.
The final pinion position will be verified by using the GEAR CONTACT PATTERN METHOD described as follows: RING GEAR TOOTH The drive pattern. Desirable pattern.
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Theoretical questions on gear contact pattern Third Generation FBody Message Boards
It seems to be when I think of the teeth as hyperbolic surfaces. Ok, heres what it looks like with about. Question Title:. How to straighten a bent rear end housing pt 1 - Duration: Advanced Search.
Decreasing the pinion shim thickness allows you to move the pattern toward the top. Just remember that a used gear will not give a good pattern because of wear.
Ring and Pinion Tooth Contact Patterns
The drive side on a used gear almost never gives a good pattern and is usually If I start adding more shim to move the pinion in, the pattern.
Thread Tools Show Printable Version. This matches how the grenaded gears looked when I got this housing.
Moving the pinion in and out with shims controls how high up or low down on the tooth the contact is. How a Differential works? Email this Page.
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Free Documentary Recommended for you. Lindybeige Recommended for you. This is also an ideal contact pattern. The ring gear is too far in toward the pinion; there is insufficient backlash. So I've been messing with another 9-bolt, and trying to get a good contact pattern with a new used gear set.
I have a solid spacer, and won't install it until I have the depth established.
Video: Pinion drive pattern wont move How to Check Drive Pinion run-out & Ring Gear Backlash. PART 8/13
gear is contacting the ring gear. as the pinion is moved deeper or shallow. Backlash (how close the ring gear is to the pinion). patterns), you will find that it is usually necessary to adjust the pinion depth again.
Adding shims on the other side moves the ring-gear teeth away from the Drive below 60 m.p.h., approximately 15 to 20 miles, then stop and let the differential cool.
How to Set up Your Rear Gear Correctly – RacingJunk News
If a drive axle's contact pattern is too close to the toe, which of the following must be done to correct it? a. Move the pinion away from the ring gear 9. ferential cross has broken in several places at once. It will not allow for torque division.
Gearing Contact Patterns
Drive side isn't what I usually see in used gears, but is probably acceptable. Autoplay When autoplay is enabled, a suggested video will automatically play next. Members List. Admiral Off-Road 72, views. The coast side will usually give you a pattern that is good enough to go by, but it's still taking a chance. Shows how varying pinion depth and back lash a few thousandths of an inch affect ring and pinion pattern.
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Carl JantzEngineering. Your question will be posted in:. The coast side will usually give you a pattern that is good enough to go by, but it's still taking a chance. Find More Posts by dimented24x7.