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Unread 02-23-2008, 09:45 PM   #1
ryan-5.2zj
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1998 ZJ 
 
Join Date: Dec 2007
Location: diamond springs CA
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grinding noise from front end

hello, my 98 grand has developed some sort of squealing or grinding noise. it isn't similar to a fan belt squeal. the whole thing us to come and go, mostly uphills but now it's constant. the noise is noticeable when i start rolling around 30 mph or more. the noise comes with the use of the gas pedal and fades away as soon as i release the pedal. I jacked up the front end and spun the tires and heard nothing. my AC pulley always squeaks, but this has a vibration of it's own. any ideas on what i could be looking at?

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Unread 02-23-2008, 10:13 PM   #2
ratmonkey
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driveshaft u-joints most likely. check for play in the shaft. if there's any play at all you have a bad joint.
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Unread 02-24-2008, 11:33 AM   #3
Vestjam
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I'd take at look at the u joints also. Wheel bearing hubs will usually growl before they squeal... no comment!
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Unread 02-24-2008, 02:26 PM   #4
ryan-5.2zj
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thanks for the u joint tip. i have some wiggle in the front shaft coming from the TC area.
ok next question, should i replace just the u joints or could the yoke be bad also? thanks again for the help
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