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Unread 08-16-2012, 11:09 AM   #16
sAe23
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1995 XJ Cherokee 
 
Join Date: Apr 2009
Location: Los Angeles / SFV, California
Posts: 2,381
It's hard to tell from the picture, but the pinion angle *looks* good. Have you actually measured it to see where you are at?
And since you have a SYE, have you tried driving w/o the rear shaft to see what happens to the vibrations?
Have you had the drive shaft balance checked?
Have you examined the run out on the pinion and the transfer case?

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Unread 08-20-2012, 11:48 AM   #17
chinookgod
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1999 XJ Cherokee 
 
Join Date: Aug 2012
Location: Colorado Springs, Colorado
Posts: 77
Found the culprit. From the right angle you can't tell but the driver side engine dampener mount is obliterated. It's the stock mount and I'm thinking of getting the ironman 4x4 drop in mounts. Anyone have any others to recommend?
image-742482750.jpg  
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[COLOR="lime"]//_l__l__,\____\,
l__|---\__l---[]IIIIII[]
[/COLOR]_()_)--o()_)--O-)_)
Rubicon Express 4", Pro comp soft 8's on Micky Thompson Baha ATZ 33's[/FONT][/SIZE]
[FONT="Comic Sans MS"][COLOR="DarkGreen"]"Shhh! ..... Did you hear that?!?" "Yea, I think something just fell off."[/COLOR][/FONT]
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Unread 08-23-2012, 02:37 PM   #18
chinookgod
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1999 XJ Cherokee 
 
Join Date: Aug 2012
Location: Colorado Springs, Colorado
Posts: 77
Pretty gnarly carnage. Got the new ones on though. Cut the vibes down about half and the tires go on this weekend.
image-2283687331.jpg  
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[LIST][/LIST][SIZE="1"][FONT="Showcard Gothic"]
|=====|@@@@
[COLOR="lime"]//_l__l__,\____\,
l__|---\__l---[]IIIIII[]
[/COLOR]_()_)--o()_)--O-)_)
Rubicon Express 4", Pro comp soft 8's on Micky Thompson Baha ATZ 33's[/FONT][/SIZE]
[FONT="Comic Sans MS"][COLOR="DarkGreen"]"Shhh! ..... Did you hear that?!?" "Yea, I think something just fell off."[/COLOR][/FONT]
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Unread 08-26-2012, 07:35 PM   #19
chinookgod
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1999 XJ Cherokee 
 
Join Date: Aug 2012
Location: Colorado Springs, Colorado
Posts: 77
Rotated all the tires, balanced, Alignments still good, but still vibration at 55+ mph. Jacked up the front axel today and found the front OEM driveshaft is extremely loose and wobbly at the junction. I'm taking it out tonight to see if the problem goes away. Wish me luck. I. It's toast prolly looking into getting a Tom woods or a tatton driveshaft upgrade, which one is better thAn the other?
__________________
[LIST][/LIST][SIZE="1"][FONT="Showcard Gothic"]
|=====|@@@@
[COLOR="lime"]//_l__l__,\____\,
l__|---\__l---[]IIIIII[]
[/COLOR]_()_)--o()_)--O-)_)
Rubicon Express 4", Pro comp soft 8's on Micky Thompson Baha ATZ 33's[/FONT][/SIZE]
[FONT="Comic Sans MS"][COLOR="DarkGreen"]"Shhh! ..... Did you hear that?!?" "Yea, I think something just fell off."[/COLOR][/FONT]
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Unread 08-26-2012, 09:33 PM   #20
chinookgod
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1999 XJ Cherokee 
 
Join Date: Aug 2012
Location: Colorado Springs, Colorado
Posts: 77
Pulled the front shaft, and took her for a spin. 0-90 mph with ZERO Vibration. The shiny shaft was gouged into by the splines in the shaft itself. Will be looking for a replacement, and I'll be in 2H for a while.
image-336862509.jpg  
__________________
[LIST][/LIST][SIZE="1"][FONT="Showcard Gothic"]
|=====|@@@@
[COLOR="lime"]//_l__l__,\____\,
l__|---\__l---[]IIIIII[]
[/COLOR]_()_)--o()_)--O-)_)
Rubicon Express 4", Pro comp soft 8's on Micky Thompson Baha ATZ 33's[/FONT][/SIZE]
[FONT="Comic Sans MS"][COLOR="DarkGreen"]"Shhh! ..... Did you hear that?!?" "Yea, I think something just fell off."[/COLOR][/FONT]
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