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Unread 04-30-2013, 06:24 PM   #1
ekrause72
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Bad vibration and sounds while in gear

Hey guys I own a 91 yj 5 speed inline 6 160000 mikes on it and I just replaces the main u joint on the rear drive shaft about a week ago. It was running great for a week. Then one day I ran over a bump in the street and immediately noticed I broke something. I have gone over the u joints again and they are in great shape. I am getting bad vibrations that shake the entire jeep during the middle of first and second gear.

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Unread 04-30-2013, 06:27 PM   #2
ekrause72
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I hear sometimes metal grinding noises or squeaks that come during first and second gear. This jeep is running 4 inch lift on 33 x 12.50 x 15's the jeep is still running and driving with these problems I was thinking I may have broken a Trans mount but I have no idea where to begin on this one. Please help I'm sure this is going to involve dropping my ax15 but I sure hope not
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Unread 04-30-2013, 06:52 PM   #3
bentvalves
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Is there a chance when the suspension compressed that it ran out of yoke and bottomed out into the transfer case damaging it?
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Unread 04-30-2013, 09:47 PM   #4
ROTTEN
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Take a pic of your driveline angle and post it

Trans mount is not hard to change

Get a pic
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'94 YJ* 3" BL, custom rear bumper, 32s, '74 midland 40 channel. Gumby on the grill
'09 KK orange and comfy

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Unread 04-30-2013, 10:55 PM   #5
ekrause72
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Here it is I dunno where the Trans mounts actually are
image-2226472885.jpg  
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Unread 05-01-2013, 08:12 AM   #6
ekrause72
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N e one have n e thoughts ? Def going to need some help with this one
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Unread 05-01-2013, 08:31 AM   #7
ROTTEN
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Do you have the skid plate dropped an inch? Im no expert but it might be that the drive shaft is binding and chewinv up u joints
The trans mount is below the trans and bolts into the skid. Take a pry bar and pry up on the trans
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'94 YJ* 3" BL, custom rear bumper, 32s, '74 midland 40 channel. Gumby on the grill
'09 KK orange and comfy

What would Que do?
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Unread 05-01-2013, 10:19 AM   #8
ekrause72
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So guess the bad news is that the Trans mounts are not broken ..... .... When I decelerate and remain in gear I can hear the play in the drive line from whatever I broke .....this leads me to believe that I damaged the transfer case....because there doesn't seem to be any problems with the clutch or Trans through any gears.....just the vibration that doesn't always happen....it happens prob 8 out of 10 times that I come off of the clutch....what can I do to diagnose the transfer case without actually just pulling it out .?? Btw thx you for your input
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Unread 05-01-2013, 10:19 AM   #9
ekrause72
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[QUOTE="ekrause72"]So guess the bad news is that the Trans mounts are not broken ..... .... When I decelerate and remain in gear I can hear the play in the drive line from whatever I broke .....this leads me to believe that I damaged the transfer case....because there doesn't seem to be any problems with the clutch or Trans through any gears.....just the vibration that doesn't always happen....it happens prob 8 out of 10 times that I come off of the clutch....what can I do to diagnose the transfer case without actually just pulling it out .?? Btw thx you for your input also yes I do have the skid plate dropped a inch
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Unread 05-01-2013, 10:20 AM   #10
ekrause72
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Also I do have the 1 inch drop on the skid plate .
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Unread 05-02-2013, 05:55 AM   #11
ekrause72
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Anyone have n e thoughts ?
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Unread 05-02-2013, 12:41 PM   #12
jschilling
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I just got a 3" lift and 33" tires put on mine and its doing the exact same thing so someone please help haha I don't know if its something broken or just some noise because everything is having to work harder with the 33" tires.
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Unread 05-02-2013, 07:35 PM   #13
ekrause72
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Nobody likes us lol
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Unread 05-02-2013, 07:48 PM   #14
ROTTEN
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I do! I just dont have enough knowledge of this to help you out
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'94 YJ* 3" BL, custom rear bumper, 32s, '74 midland 40 channel. Gumby on the grill
'09 KK orange and comfy

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Unread 05-03-2013, 10:24 AM   #15
jschilling
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I know that if you get a lift sometimes people get SYE's or a transfer case drop. could it deal with us needing one of those?
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