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post #1 of (permalink) Old 11-30-2000, 11:38 AM
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4wd shifter-stupid question??

I recently acquired my first Jeep and I was just wondering about the 4wd shift lever.....when I am driving along I can feel vibration through the lever and was wondering if this was normal. I thought that without engaging 4wd there would be no movement in the transfer case .
Thanks ed

89 YJ 4.2 auto tranny

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post #2 of (permalink) Old 11-30-2000, 12:00 PM
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Re: 4wd shifter-stupid question??

The front and rear driveshaft is connected to your Tcase. Even though your not in 4wd, your tcase is putting power to your rear axle. not sure how much vibration your talking about but it won' be sitting still.

1997 TJ w/ 33's
1984 CJ7 V8 SOA w/35's or 39's
post #3 of (permalink) Old 11-30-2000, 08:45 PM
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Re: 4wd shifter-stupid question??

It would help if you'd fill out your profile a little more thoroughly.

I assume you have a CJ or a YJ.

My CJ runs a Dana 300 and, yup, the T-case shifter vibrates somewhat when the engine is running. Even stopped at a light. This should not be extreme, but some is normal.

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Bone stock '81 CJ7.</font color=blue>
"You can always see it coming. But you can never stop it."
-- Cowboy Junkies.

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post #4 of (permalink) Old 11-30-2000, 09:17 PM
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Re: 4wd shifter-stupid question??

When we got our '85, the 300 t-case shifter vibrated some because it was missing a bushing - bought the bushing from 4wd hardware & it doesn't vibrate any longer. If you have a YJ you probably have a NP231? Maybe you have a similar problem (missing parts), just a thought.

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post #5 of (permalink) Old 12-01-2000, 01:24 AM
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Re: 4wd shifter-stupid question??

It should vibrate a little! its connected to the transfer case, which is bolted to the transmission, which is bolted to the ENGINE, and i have yet to see a Jeep that you could do the Mercedes-100-realy-expensive-crystal-glasses-on-the-hood-trick with. Of course its going to vibrate a little. Also, the engine and trans are mounted on rubber bushings. thats to absorb some of the vibrational energy befor it gets transferred to the frame, through the RUBBER body mounts, the floor, the seat, and then your butt!!


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post #6 of (permalink) Old 12-01-2000, 02:05 AM
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Re: 4wd shifter-stupid question??

Well, I don't know if my 231 shifter vibrates, I've never paid attention. I have noticed that both my shifter and tcase shifter move side to side when I give it gas. That's normal since they're attached to the engine.

"James and the Giant Jeep"
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