Acceptible gear pattern? - JeepForum.com
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post #1 of 35 Old 03-04-2014, 02:28 PM Thread Starter
Kastraelie
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Acceptible gear pattern?

Best I got so far...





This is for my front axle btw...


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post #2 of 35 Old 03-04-2014, 02:32 PM
Spieg8
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First pic looks pretty close, but the second... not so much. I'm guessing the pinion could use a little less shim.
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post #3 of 35 Old 03-04-2014, 02:51 PM
LumpyGrits
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To much 'inboard' contact in both pictures. Also need to go deeper into the ring gear.
Take your readings in more than one place.
Bring the 'p' out .002-.003" and bring the ring inward about .005".
Do you have the carrier bearings pre-loaded?
LG

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post #4 of 35 Old 03-04-2014, 03:22 PM Thread Starter
Kastraelie
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Thank you for the timely responses, guys!


Lumpy, I know you have LOTS of experience in this area, so I want to make sure and understand you 100%:

Quote:
Originally Posted by LumpyGrits View Post
To much 'inboard' contact in both pictures.
Does this mean too much "toe bias?"

Quote:
Originally Posted by LumpyGrits View Post
Also need to go deeper into the ring gear.
This is because you think my markings need to go closer to the root, correct?

Quote:
Originally Posted by LumpyGrits View Post
Take your readings in more than one place.
Roger. Was doing 180 out. Will record.

Quote:
Originally Posted by LumpyGrits View Post
Do you have the carrier bearings pre-loaded?
Sorta...I lightly tapped the diff in with a mallet but it wasn't super tight or anything.

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post #5 of 35 Old 03-04-2014, 03:27 PM
LumpyGrits
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Yes & yes.
Torque the bearing caps to 80% and then read a pattern. Same with the pinion.
Hope you used a solid sleeve on the pinion. I hate and refuse to use crush sleeves.
What axle is this?
LG

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post #6 of 35 Old 03-04-2014, 03:33 PM Thread Starter
Kastraelie
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Quote:
Originally Posted by LumpyGrits View Post
Yes & yes.
Torque the bearing caps to 80% and then read a pattern. Same with the pinion.
Hope you used a solid sleeve on the pinion. I hate and refuse to use crush sleeves.
What axle is this?
LG
This is a narrow track Dana 30 for a CJ. 4:10 spicer gears with a Spartan.

I ordered the Yukon master rebuilt kit; it didn't come with a crush sleeve which kinda confused me...I figured if I needed one they would come with one. Now I am second guessing everything...

http://www.quadratec.com/jeep-replac...a-30-front.php

is the crush sleeve or solid sleeve the thing between 10 and 11 in this diagram?

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post #7 of 35 Old 03-04-2014, 03:35 PM Thread Starter
Kastraelie
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I should also note that there wasn't a crush sleeve in the axle when I took it apart...but that doesn't really mean jack considering the P.O.

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post #8 of 35 Old 03-04-2014, 03:51 PM
LumpyGrits
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Not a real good draw'n for reference.
But, I think that is it.
Very surprised there isn't a PN# for ID?
What was the +/- marking on your pinion?
LG

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post #9 of 35 Old 03-04-2014, 04:06 PM Thread Starter
Kastraelie
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+.05

Old pinion says +3...which I interpret to mean .03 not 3"

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post #10 of 35 Old 03-04-2014, 04:14 PM
LumpyGrits
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You sure it doesn't say .005?
.05=50 thou.
LG

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post #11 of 35 Old 03-04-2014, 04:21 PM Thread Starter
Kastraelie
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Building out a Jeep is like trying to smother a fire with twenty-dollar bills. You just never have enough at once to put it out...

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post #12 of 35 Old 03-04-2014, 04:22 PM Thread Starter
Kastraelie
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Its probably +50 as in 50 thousands.


I had issues with my shim stacks, and like I said I wasn't using a crush sleeve, just the thrust washer like on the D60


I torqued my pinion nut to 200ft and got my preload shims to measure out 16 inch lbs

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post #13 of 35 Old 03-04-2014, 04:36 PM
LumpyGrits
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WOW-+.05 is a bunch.
Take your time-You have done well so far.
Also, squirt some oil the the bearings to lube them.
LG

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post #14 of 35 Old 03-04-2014, 04:47 PM
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There is no crush sleeve on a CJ Dana 30 (or CJ Dana 44 for that matter).
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post #15 of 35 Old 03-04-2014, 04:59 PM Thread Starter
Kastraelie
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Quote:
Originally Posted by CSP View Post
There is no crush sleeve on a CJ Dana 30 (or CJ Dana 44 for that matter).
Ok great, thanks for clearing this up for me! So much confusing info on the net.


THANKS GUYS!

Building out a Jeep is like trying to smother a fire with twenty-dollar bills. You just never have enough at once to put it out...

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