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Discussion Starter #1
No Not That one:rolleyes:

I am trying to figure out what rear axle is in my truck. It is a 95 GMC K3500 dual rear wheel. The yoke seems to be worn, and the u-joint is sliding side to side. I need to get a new yoke, but don't know what one to get. The dealer can get me the part for 114.00 but they can't tell me what the axle model is(their computer doesn't tell them that info so therfore it is greek to the parts guy) Any help is appreciated......:)
 

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How many bolts in the cover?
 

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Hey those kinds of titles are supposed to be posted by me.:D

You probably have a 14 bolt rear end. I believe some where Dana's and some where not.
 

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Discussion Starter #4
The cover has 14 bolts, I just wasn't sure if it was a 14 bolt because it has a detachable pinion bearing assembly, kinda like a ford 9". The 14 bolt that I have in my garage doesn't have that.
 

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I would be looking at a salvage yard for the part off of a "core" differential. I also find it strange your yoke would be worn. May be the jury rigger installed an incompatible U joint .There is another U joint that has two different trunnion sizes,one that is slightly smaller. Drive shaft specialists also have the yokes available thru there aftermarket suppliers. JMO
 

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Heh... geometry 101. Put the truck on jack stands, mark the yoke on the bottom, mark the tire on the bottom. Start turning. When the tire turns 1 revolution, how many revolutions does the yoke turn? (use a protractor).

ie: if the tire turns 1 full revolution on mine (3.73 gears) the yoke turns 3.73 revolutions -- 3 full turns and 262 degrees (.73 x 360), or roughly 3/4 of the fourth revolution.

Should be easy to see ... rear ends come in only certain ratios... 3.56, 3.73, 4.10, etc

3.56 = about 3-1/2 turns
3.73 = about 3-3/4 turns
4.10 = four and a bit more

And quit hanging out with Stepper... I ROFL'd at your title...
 

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I already tried that test myself. When I rotated the tire I only got 2 revs on the yolk. This doesnt sound correct. Have the mid 80s burbans ever come with a 2.10 or something gear ratio?

82 burban with 93 6.5 td, otherwise stock.
 

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Should be 4.10 full floater. If there are 6 bolts around the yoke going into the diff it is a FF. Gear ratio should be accurate unless it is some sort of 1 ton HD.

Stepper;1559285; said:
Hey those kinds of titles are supposed to be posted by me.:D quote]


You have me worried. Becoming a little schizo are we?;)
 

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Rear Ends

My rigs got 4.10s, 14 bolt 10.5", I thought it was the 9". Anyways I got a pic of the ol ladys rear end in the garage pics I you want a peak.):h
 

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Discussion Starter #10
billy bob I'll be a looking you can count on that:D
 

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Discussion Starter #11
ok, I ordered the factory part from the stealer, it was 114.00 every rear shop I looked at wanted atleast that much, some wanted up to 200.00 so thanks for the id, I will advise if that cures my problem.
 
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