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Unread 03-15-2009, 05:45 PM   #1
Xander
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Sounds like I have a flat tire, but only when slowing down...

I put the RC 2.5" on my Rubicon a week ago and it sounds like i have a flat tire when I decelerate. I didn't net the full 2.5", could it be the t-case? I really don't want to put the pucks under there (4 are being used under my seat ) because I would basically defeat the purpose of the lift. So, what do you think the noise could be?

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Unread 03-15-2009, 08:05 PM   #2
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bump for nite crew...
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Unread 03-15-2009, 08:06 PM   #3
TJ-Driver
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Need some more info. What does a flat tire sound like to you?
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Unread 03-15-2009, 08:17 PM   #4
Xander
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Quote:
Originally Posted by TJ-Driver View Post
Need some more info. What does a flat tire sound like to you?
"waa-waa-waa-waa-waa-waa" LOL

I hear it more from the rear and its mainly when the windows are up
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Unread 03-15-2009, 08:29 PM   #5
xjfever
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Could be a number of things, a u-joint that has more stress on it after the lift, axle bearing, pinion bearing, just gonna have to get under there and check things out.
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Unread 03-15-2009, 08:33 PM   #6
Rocky529
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I'm betting on your rear drive shaft angle... you may need to drop the t-case. If you don't want to do that, installing a MML may help.
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Unread 03-15-2009, 08:45 PM   #7
Xander
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Is it weird that I don't have any noticeable vibes when accelerating and only decelerating?

EDIT: can you do a mml without a BL?
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Last edited by Xander; 03-15-2009 at 08:55 PM..
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Unread 03-15-2009, 09:06 PM   #8
Rocky529
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Quote:
Originally Posted by Xander View Post
Is it weird that I don't have any noticeable vibes when accelerating and only decelerating?

EDIT: can you do a mml without a BL?
Yes, you just have to raise your radiator one inch.
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2004 Jeep Wrangler Sport - 5 speed

Silver Metallic finish with black dual tops - Dana 44 Rear
2.25" Suspension Lift with Old Man Emu Shocks
Performance Accessories 1" Body Lift
Daystar 1" Motor Mount Lift
Spidertrax 1.25" Wheel Spacers - 32"x11.5" MT/R Tires
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Unread 03-15-2009, 09:08 PM   #9
Xander
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Quote:
Originally Posted by Rocky529 View Post
Yes, you just have to raise your radiator one inch.
how? (10 char)
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Unread 03-16-2009, 07:41 AM   #10
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Also noticed that I feel it when accelerating...but its not nearly as pronounced...
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Unread 03-16-2009, 09:37 AM   #11
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I have also noticed a clunking/popping noise when I turn.....now i'm leaning towards U-Joints
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Unread 03-16-2009, 09:48 AM   #12
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I wonder if it is tread seperation and the clunking my be your tire hitting your control arms. Cause when you lifted it your front axle may have shifted as did mine.
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Unread 03-16-2009, 09:52 AM   #13
bradthebard
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Check for loose lug nuts. I had some sound just like that, no noise on acceleration, clunking on decelleration.
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Unread 03-16-2009, 10:21 AM   #14
Xander
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Quote:
Originally Posted by mitchf350 View Post
I wonder if it is tread seperation and the clunking my be your tire hitting your control arms. Cause when you lifted it your front axle may have shifted as did mine.
i've been 'clunking' before the lift, but not as much and i'll have to check the tread.
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