jeep wj axle shaft too short - Page 2 - JeepForum.com
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post #16 of 21 Old 11-24-2014, 10:49 AM
Tollmtn
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A VariLok drivers side axle is 1 1/16 shorter than an open differential axle. A passengers side VariLok axle is longer by 1 1/16" than an open differential axle. The reason for this is the spiders and side gears are offset as far as possible to make room for the pump and clutch pack.

If you look at the side of the VL carrier case it is not very thick and squared, an open carrier is thicker in that area. Look at the side gear in his picture it is as close to the side of the carrier case as possible, that is why VariLoks drivers side axles are shorter than open diff axles.

I purchased a driverside VariLok replacement from Napa. They list the same length for a VariLok drivers shaft as Oreilly does. BUT Oreilly has the length of the open differential axle incorrect by one inch.

Below is the open and VariLok lengths for both sides in decimals. 23 1/4" is the correct length for a driver side VariLok. So personally I am at a loss as to why the axle he has is apparently to short. The first thing I would do is measure the axle to see if it is actually 23 1/4" long.

Open diff drivers side length 24.31"
Vari Lok drivers side. length 23.25"

Open diff passengers side axle 40.08" long.
Vari-Lok passengers side axle 41.14" long and the

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post #17 of 21 Old 11-24-2014, 09:46 PM
JAG63
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i just changed the drivers side axle on my quadradrive there is no mistaking when the splines are in and the axle is seated, this should not even be an issue unless this jeep has some severe frame damage and the spindle actually moved
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post #18 of 21 Old 09-23-2020, 04:02 PM
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I supposedly have the vari lok differential but my passenger side axle shaft is only 40 1/16
Trying to find out if someone changed the differential at some point or is there a mix up in the correct axle length
I already sent back one set of axles to rock auto for being wrong length
I have a 2000 limited with Quadra drive
Can you send a pic of vari lok dif?
 
post #19 of 21 Old 09-23-2020, 11:00 PM
Bigrigr
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Run your BOM number through the spicer website to verify the differential you have. If you have a tag saying quadrdrive on the rear hatch, another on the center console saying the same, and your BOM says vari-lok, then you need a different axle shaft for your passenger side, based on the measurements above.

'00LMTD-4.7l,242hd,D30,D44A,3.73's,True-trac front,Spartan rear,4" short arm lift,JK'sW/32's
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post #20 of 21 Old 09-24-2020, 04:17 PM
UKXJ
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Quote:
Originally Posted by Bigrigr View Post
Run your BOM number through the spicer website to verify the differential you have. If you have a tag saying quadrdrive on the rear hatch, another on the center console saying the same, and your BOM says vari-lok, then you need a different axle shaft for your passenger side, based on the measurements above.
Assuming, of course, it's as it came out the box - which now seems to be in doubt.
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post #21 of 21 Old 09-25-2020, 03:02 PM
Bigrigr
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Quote:
Originally Posted by UKXJ View Post
Assuming, of course, it's as it came out the box - which now seems to be in doubt.

I am talking about the axle assembly itself. These numbers are on the housing that came with the Jeep from the factory. Even if the axle has been swapped, it would still show up in the spicer website under the BOM on the housing. This is the best way to figure out what axle assembly you have if you suspect it being not original.


His measurements show that his replacement axle shaft is for an open differential. His Jeep says it should have a vari-lok front axle assembly.(quadradrive) Unless his complete axle assembly has been swapped by a previous owner, he just needs a different replacement axle assembly for the Vari-lok equipped assembly.



If he wonders about the Jeep REALLY having a Vari-lok axle assembly any more, he simply needs to verify the BOM number stamped onto the front cover with the spicer website.

'00LMTD-4.7l,242hd,D30,D44A,3.73's,True-trac front,Spartan rear,4" short arm lift,JK'sW/32's
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