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Unread 02-27-2013, 11:57 AM   #1
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1986 CJ7 
Join Date: Sep 2012
Location: shirley, ma
Posts: 6
grinding hubs question

I have a 86 cj7 with a recent(4 months ago) 2 1/2 suspension lift and tires. It has run and felt great for quite awhile but in the last few weeks I have gotten a vibration/ grinding from what seems like the passenger side front wheel area. It happens when I hit a bump or pot hole becomes very noticeable and then the vibration/ grinding goes away after half a mile or so. When this happens there doesn't seem to be any difference in how it drives. However when I lock the hubs whether in 4 wheel drive or not the problem never arises no matter what I drive over or through. I'm assuming it's the wheel hub from what I've read and heard. I just wanted to know if anyone has any previous experience with this that may be helpful or to let me know that I'm looking in the wrong places before I start ordering parts and tearing the jeep apart in the freezing cold and wasting my time. thanks.

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Unread 02-27-2013, 12:23 PM   #2
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1974 CJ5 
Join Date: Jul 2011
Location: Hillsboro, Or
Posts: 513
Could be wheel bearings, brakes, could be a number of things. First thing you need to do is start taking it apart to see what you find. Jack it up and see if the wheel is loose, then pull the tire and keep looking till you find something. Don't buy parts till you have found the problem!

Good Luck!!
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Unread 02-27-2013, 12:56 PM   #3
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1977 CJ5 
Join Date: Mar 2010
Location: Fairborn, Ohio
Posts: 751
Aside from checking the obvious bearings and hubs. One time I went to a tire shop to have them swap a tire on a rim for me. Afterwards as I drove out my right front was grinding. I thought they screwed something up. Apparently the brake caliper was so close to the wheel that a slight movement/bump of it put it into the inside lip of the wheel. A couple minutes whith a file on a corner of the caliper solved the problem. Im not saying this has happened to you, but its worth a look. Mine had a tiny groove in the wheel and a shiny spot on the caliper.
The Last Great American Hero... the demi-god... to which speed means freedom of the soul.
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