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Topic: Trouble With Front Axle Engaging

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90XJkid
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Trouble With Front Axle Engaging
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The black rubber connection on the front axle, which I am assuming is a vacum engagement system, comes loose quite easily not allowing the from axle to get any power. There are no clamps on it, nor are there any depressions on the rubber indicating there ever was any. Any ideas on how to make this a reliable connection? Hose clamps are my only idea. Thanks



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Just ditch it completely as it's a poorly designed system. Several ways to go about doing so, the best is to get a block off plate and upgrade to a 1 piece shaft out of a new D30 axle.

But for less than $1 you can shim over your CAD and essentially lock it in all the time. Only thing that happens is your front driveshaft spins all the time (all 91+ models do it anyways). I've done it to EVERY one of my rigs with no ill effects.





If you look close in the 2nd pic you can see I've shimmed the fork over all the way with a washer.

Post up if your confused or need more help...

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90XJkid
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I will for sure need to be trying this tip in the next couple days if I can find a few moments to get under the Jeep. Thanks Adam for the tip!

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Chris99XJ
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See, Adam is good for something.
Just kidding

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1999  XJ  SPORT,  4.5'' LIFT,  32'' X 11.50''  TIRE'S



" IF  IT  AINT  RUFF  IT  AINT  ME  !  "
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90XJkid wrote:
I will for sure need to be trying this tip in the next couple days if I can find a few moments to get under the Jeep. Thanks Adam for the tip!
Just make sure you get it over as FAR as you can. I've even just put the fork on the other side of the clip and not even needed shims.

When you have it torn apart it'll make sense to you. You simply want to make the fork lock the color on the inner axle together.

 



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90XJkid
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Having the shaft spin all the time, does that effect gas mileage?

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90XJkid
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Adam, or anyone else, when I took off the 4 bolts holding the unit on the axle I lost all the lube inside the square housing. I am ready to put it back on, but how to I go about replacing the lost fluid?? Need an answer or suggestion asap please, as I need the XJ tomorrow. Thanks
-Greg

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90XJkid
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Adam, did you also use a nut on the shaft to push the forks further to the right(right in the pic)?

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Greg,

You want to push it as far away from the diaphragm as possible.

The fluid comes from the center diff. It flows from the diff out to the outer axle seal by the wheel hub, this helps keep all the bearings lubes. Do not worry about the fluid, it's only a small amount that came out and it will go back once you drive your Jeep and the gears slosh the fluid back into the axle tube.

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90XJkid
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Got it completed! Works Great! Thanks Adam!

I ended up finishing it before I read your last post. I took a deep breath, examed your pic and my owner's manual(for fluid type 75W-90). I ended up squirting in about a half a quart, so I am assuming it might be a good time to look into LubeLocker Gaskets front and rear and changing both diff fluids, because the front must have been rather low even before loosing the fluid from shiming the fork over. Thanks again for the tip.

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RaccoonJoe
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Forgive me for a stupid question...but how did you get the shift fork to slide off of that shaft? I've gotten the snap rings out, and gotten the shift fork to slide a bit, but can't get it over the last set of ridges. Just keep hammering?

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90XJkid
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If I remember correctly, i kinda twisted the shaft back and forth as I was tapping slightly with the handle of a screwdriver. It won't quite go a 100% over due to the curvature in the fork. I ended up using a nut the size of the shaft and a couple washers to shim it over. There was a very slight amount of play in the fork when completed. Now I just have my fingers crossed. But if Adam has run this setup for a few years with the way he wheels...I think its prob ok.

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ChevelleSSLS6
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Chris99XJ wrote:

See, Adam is good for something.
Just kidding



can't deny that he knows what he's doing, and likes not only highly capable, but also streetable XJs.



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My Fleet
1996 XJ "Snowball"- 3.5" lift, bunch of little mods.  I hate pegleg rear axles!
1974 AMC Javelin "Jade Grenade"- 360v8, 4sp, green inside and out. Underfunded Project.
2009 Kawsaki Vulan 900 "Rocket III"- Summer DD
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RaccoonJoe wrote:

Forgive me for a stupid question...but how did you get the shift fork to slide off of that shaft? I've gotten the snap rings out, and gotten the shift fork to slide a bit, but can't get it over the last set of ridges. Just keep hammering?

They typically are gummed up a bit. I've always just sprayed a bit of WD40 into it, and twisted it back and forth while pulling. Give it a good tug and it should come out without issues.

 



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'89 XJ Cherokee Laredo - build thread
'88 MJ Comanche Pioneer SWB - build thread
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