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Thump on driver side floorboard

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Old 12-13-2010, 02:28 AM
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Default Thump on driver side floorboard

Recently started thumping on driver side floorboard, happens when turning right. Checked control arms all tight. its a laud thump and you can really feel it with left foot on floor.
Old 12-13-2010, 04:22 AM
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Check to make sure you still have all of your lug nuts, check your shocks. Does it do it at any speed just as long as you turn right? Does it do it when your backing up and turning right as well??
Old 12-13-2010, 04:31 AM
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mine does the same thing when I turn left?
Old 12-13-2010, 08:33 AM
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Yes backing up out of driveway turning right or parking spot it thumps making right turns thump. it happens at low speeds.
Old 12-13-2010, 09:01 AM
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woah this just recently happened to me yesterday.
except for me its when i turn both ways in reverse as well as forward.
for me its also a louder pop when i turn right and duller when i turn left.

anyone find any reasons? steering column?

i checked the tie rods and theyre not popping.
Old 12-13-2010, 09:05 AM
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check your track bar bolts. This is usually the cause for mine. Check the axle side as it is the most likely to back out a little.
Old 12-13-2010, 09:25 AM
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blacksport: are you saying this happens regularly to you?
Old 12-13-2010, 09:28 AM
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My axle side track bar would keep coming loose too after my lift till i put an impact on it. havent had an issue since
Old 12-13-2010, 09:34 AM
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yes i need to put some thread locker on there and want bump up to a grade 8 instead of the metric 8.8. And often, no, but once or twice a year, then yea. But it typically is brought on by the cold for some weird reason.
Old 12-13-2010, 09:39 AM
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in order to tighten those bolts down, would you have to drop the skidplate? im in school right now and cant go outside to look.
Old 12-13-2010, 09:40 AM
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^ nope
Old 12-13-2010, 09:44 AM
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nope , its by the passenger side with the steering stabilizer on the axle mount
Old 12-13-2010, 09:45 AM
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I checked torque on all bolts check good. I was wondering if common that control arm bushings are worn. I feel the thump under my left foot.
Old 12-13-2010, 09:53 AM
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I have a thump thump sound too... mine is the upper track bar "ball joint". It is worn and has play in it. I had my wife slowly turn the wheel back and forth and not only could I hear it, I was able to feel it as well.
Old 12-13-2010, 09:59 AM
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Originally Posted by joes99xj
Yes backing up out of driveway turning right or parking spot it thumps making right turns thump. it happens at low speeds.
That is my exact symptom. I dont want to jack your thread, have you noticed it with a good bump as well?? I was wheeling yesterday and everytime I came out of a good mud hole it would thump.

Does yours do it when you are sitting still?? If my jeep is idling at a stop I can turn the steering full lock both directions without any binding/popping/thumping, it only happens at slow speed or mud holes??

Chuck


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