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Unread 07-05-2006, 05:49 PM   #1
67piglet
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Vibration upon letting off gas

Hey guys. I have been driving the GC as often as possible. There seems to be an annoying vibration when you lift off the gas pedal. Doesnt seem to matter how slow or fast, You can feel it in your seat, not in the pedals. Anybody have any ideas? TIA Shawn

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Unread 07-05-2006, 05:50 PM   #2
GreenDean
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I'm gonna say the driveshaft needs to be balanced.

Mine does the same and that's the cause.
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Unread 07-05-2006, 06:31 PM   #3
zaq123
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Quote:
Originally Posted by 67piglet
Hey guys. I have been driving the GC as often as possible. There seems to be an annoying vibration when you lift off the gas pedal. Doesnt seem to matter how slow or fast, You can feel it in your seat, not in the pedals. Anybody have any ideas? TIA Shawn
It would be helpful to know what you drive. WJ,ZJ,WK etc
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Unread 07-05-2006, 07:57 PM   #4
67piglet
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Quote:
Originally Posted by zaq123
It would be helpful to know what you drive. WJ,ZJ,WK etc
Sorry 1997 4.0 Auto Grand Cherokee Laredo
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Unread 07-05-2006, 09:08 PM   #5
ajmorell
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Quote:
Originally Posted by 67piglet
Hey guys. I have been driving the GC as often as possible. There seems to be an annoying vibration when you lift off the gas pedal. Doesnt seem to matter how slow or fast, You can feel it in your seat, not in the pedals. Anybody have any ideas? TIA Shawn
When u-joints go bad on the driveshafts they will cause that as well, I would check those before actually removing it and taking it to get it balanced.
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Unread 07-05-2006, 09:20 PM   #6
greasefingers
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No harm in removing the front driveshaft for a quick test drive. At least it is the active action rather then a passive one.
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94 Black Laredo 4-Liter with QuadraTrac (42RE trans & NP249 TC) 200,000 + miles purchased new

88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new
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Unread 07-05-2006, 09:21 PM   #7
ajmorell
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Quote:
Originally Posted by greasefingers
No harm in removing the front driveshaft for a quick test drive. At least it is the active action rather then a passive one.
Yeah, that's a good idea, it takes all of 5 min to do and if it fixes the vibration you know where your problem is.
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Unread 07-05-2006, 09:22 PM   #8
greasefingers
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Deceleration clunking is somethng that I have noticed that is relatived to the CV joint, however.
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Cheers Steve

94 Black Laredo 4-Liter with QuadraTrac (42RE trans & NP249 TC) 200,000 + miles purchased new

88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new
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