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Unread 11-09-2007, 12:02 AM   #1
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Join Date: Nov 2007
Location: Santa Ana Ca.
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2003 Vibration at 45 mph

My 2003 3.7 liberty has what sounds like and feels like going over a wash board only for aecond or two at 45 mph. I have had it to the dealer and they could not find any trans problems. They also checked both diff. I need help. I feels like it is in the right side and in the rear.

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Unread 11-09-2007, 12:28 PM   #2
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My 03 with 87 or 88k was getting vibrations around 60 mph. It was time for new tie rods and all is good. My vibrations were in the front though so it makes sense. Have you taken it anywhere besides the dealer? So, ah, not sure if this was any help....
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Unread 11-15-2007, 11:57 AM   #3
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This may not be the case, but my 2002 2.5 CRD has a vibration (in kph alas) between 65-85kph and again between 100-110kph (very loud drone from below the vehicle). Diagnosis: Worn rear universal joint.

To eliminate this get under you Jeep try hold the shaft coming out of the gearbox tight while trying to wiggle/twist the propshaft. If you notice play on the joints, you have an issue. Repeat the same for the rear joint. If you rotate it without holding it, you will get rotational play, but no up/down/left/right movement. Anyway, you will see it if it is worn, it is pretty obvious.
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Unread 11-16-2007, 07:37 PM   #4
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I bet it's unbalanced tires. Seems to me that the Liberty is VERY sensitive to unbalanced tires.
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