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Old 11-02-2013, 12:06 AM   #1
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97 Wrangler Shaking while driving

I have a 97 Wrangler 4.0L with a 6" Lift and 35's. Engine runs great but I just came back from a 30 day deployment and when I give the car more than half the gas pedal my Jeep starts to shake. It is not too bad right now but it has gotten worse over the last day.

I originally thought it was the motor mounts but they look fine and I would think it would shake while idling. I am kind of thinking the drive train but someone looked at it and said the angle looked fine. I live in Okinawa and I have 1 of about 7 jeeps and have to have parts mailed to me and it takes about a week. Any help would be appreciated! Thanks!

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Old 11-02-2013, 12:42 AM   #2
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I have a similar problem in my 97. It's not lifted but shakes around 55 mph or higher rpm in any gear. My thoughts are looking at balancing the drive shaft. My rear shaft might have thrown a weight. Like when you lose a tire weight and your wheel is not balanced. Just a thought.

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Old 11-02-2013, 03:44 AM   #3
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I am thinking it is the U Joints based on previous posts I have read. I have been driving it for 8 months now and it has never had this problem. The other thing I am going to check out is anything around the transmission since while sitting still the jeep sounds and runs fantastic
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Old 11-02-2013, 04:35 AM   #4
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If it hasn't been driven in a month my be your tires have flat spots for sitting.
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Old 11-02-2013, 06:57 AM   #5
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X2 on ujoints fixed my shaking
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Old 11-02-2013, 06:26 PM   #6
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Also check psi and lug nut torque. If it speed-specific, it's likely a rotational issue like tires.
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Old 11-02-2013, 06:31 PM   #7
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I just had the same issue, mechanic said it was the rear DS ... So I SYE 'd it .... Only to find out it was the front DS so I had to change a part inside it...
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Old 11-04-2013, 07:52 PM   #8
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Thanks guys! I had someone look at it and they said U Joints. They also said she needs some TLC. New bushings and shocks. I'll let you know if it fixes it.

Previous owner beefed up the suspension and put Dana 44s on it. They dished it off to me once it needed all the replacing
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Old 11-05-2013, 10:09 AM   #9
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Quote:
Originally Posted by NH-JK View Post
I have a similar problem in my 97. It's not lifted but shakes around 55 mph or higher rpm in any gear. My thoughts are looking at balancing the drive shaft. My rear shaft might have thrown a weight. Like when you lose a tire weight and your wheel is not balanced. Just a thought.

Mine did the same and it was just the tires out of balance.

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drivetrain , motor mounts , problems. , shake , wrangler

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