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Unread 03-31-2007, 12:08 AM   #1
Akumachan
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Slip yoke pulled out too far?

Ok, so I'm sure this is a total newbie question, but I was under the jeep today trying to figure out why it was vibrating so much at highway speeds, and I noticed it looked like the slip yoke was pulled out a bit, but my jeep is at stock height (and sagging badly). So I took a picture, tell me what you guys think, My guess would be this isn't the source of my vibes.


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Unread 03-31-2007, 12:20 AM   #2
balloo93
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That is kinda odd. Grab the driveshaft and see if you can move it in and out of the yoke housing.
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Unread 03-31-2007, 01:10 AM   #3
lrsmithwhaley
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Mine is like that after I lifted. I was sagging two inches, then lifted it two inches over stock(4 from where it was sitting). I haven't noticed any problems with it, and it's been like that for a few months now. It might be a very bad thing, just letting you know what my experience is. For me, I think that because of how much it was sagging it was "slipped in" a little and when I lifted it "slipped" back out.
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Unread 03-31-2007, 05:41 PM   #4
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Well today I looked underneath and it has gone back inside almost all the way. I wonder if that has to do with my vibes I got yesterday.
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Unread 03-31-2007, 05:56 PM   #5
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where you sitting on level ground when you first looked at it? If so you might want to pull it out and make sure the splines are straight and not binding. You say stockish any lift at all?

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Unread 04-03-2007, 12:22 AM   #6
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Haven't had a chance to check anything yet, been gone all weekend, but yes, it was on level ground, and nope, no lift at all, just saggy stock suspension. This has me worried about being able to get by for a bit with my lift plans without the sye, while I save up.
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Unread 04-03-2007, 06:22 AM   #7
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Okay, the only thing I can think of that woudl cause this is excessive play in the pinion, which would make a horrible amount of noise to have that much travel.

The other thing I can think of is that the leafs are toast to the point where when you get on it the axle wrap is twisting the pinion enough that the slip yoke is pulling out and reseating. This would eventually clean that part of the slip yoke off sense the trans fluid is full of detergents.

As for it going back in.....ya got me there. What's your trans mount and motor mounts looking like? That would also allow some movement that would allow the shaft to slide in and out.

Do you get on it?
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Unread 04-03-2007, 10:18 AM   #8
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I do occasionally get on it, but lately its started making new and strange noises when I give it more than 1/3 - 1/2 throttle from a stop, so I just take it real easy.

Before I head off to the range today I'll check for any play in the driveshaft, hopefully there isn't any, but I have my doubts about it being anything with the pinion, since there isn't any noises that I would attribute to a diff getting ready to blow.
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Unread 04-03-2007, 12:07 PM   #9
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What kinds of noises when you get on it? I'd be checking the Trans and motor mounts.
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Unread 04-03-2007, 03:13 PM   #10
Akumachan
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It's hard to describe the noise, its almost like a laughing, similar in pitch to a belt slipping, but rhythmic like a laugh, the more I listen, I think I could see it come from the t-case, but its hard to tell for sure.

Sorry for another newb question, but what should I be looking for on the motor and trans mounts? Just excess wear and play? I know they're the factory mounts and my jeep has about 131k on the clock.
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Unread 04-05-2007, 12:17 AM   #11
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So I guess no one else's XJ laughs at them...
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Unread 04-05-2007, 01:01 AM   #12
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Quote:
Originally Posted by Akumachan
So I guess no one else's XJ laughs at them...

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Unread 04-05-2007, 01:11 AM   #13
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If you need me to check it out. Holler.
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Unread 04-05-2007, 01:30 AM   #14
Akumachan
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My inlaws live in Santa Maria, so I'll let ya know when I'll be in town again, that would be awesome if you could give it a looking over. I'm not a total car newb, but until recently I've only messed with imports and whatnot.
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Unread 04-05-2007, 02:25 AM   #15
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Does it "laugh" at you in idle as you rev it up?

As for the bushings at the mounts, just make sure they are in one piece and if you can grab the TC output housing and try to move it sideways. There should be minimal movement.
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