Clicking/grinding in front in 2wd, less in 4wd - JeepForum.com
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Unread 01-22-2015, 08:08 PM   #1
blysccr
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2003 TJ Wrangler 
 
Join Date: Oct 2009
Location: 17201
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Clicking/grinding in front in 2wd, less in 4wd

03 automatic rubicon. Noticed after I did the break bed in I had a clicking on acceleration up to like 30 mph. Also does it around turns. When put into 4wd it's much less noticeable, but still there. I really have no idea where to start as the front driveshaft spins regardless...right?

Link to my build if this helps.

http://www.jeepforum.com/forum/f22/35s-no-lift-2920609/

Cv head on front shaft had no play 2k miles ago. Ujoint on the diff was replaced 2k ago.

I'm going to pull it into the shop this weekend and can check stuff out but like I said have no idea where to start.

Any ideas?

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Unread 01-22-2015, 08:10 PM   #2
RnEmOvr
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Start checking hub assy and front u-joints. I know you said they are new but what brand?
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Unread 01-22-2015, 08:13 PM   #3
blysccr
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Last time when the jeep was in the air (two weeks ago)the hubs felt decent- but will certainly look again. Napa gold- local spicer guy said "I don't do part numbers, bring it in" so I did and he gave me the wrong size...go figure.
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Unread 01-22-2015, 08:19 PM   #4
RnEmOvr
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All 5 joints in the front? 2 in axle and 3 in shaft?
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Unread 01-22-2015, 08:22 PM   #5
blysccr
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Front shaft ujoints are oem. No moticable play two weeks ago when I did the brakes. Will check those as well. I have a set of shafts with 6k on them I may throw in the front??

The cv head -2 joints was tight. Differential side ujoint was new.
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Unread 01-22-2015, 08:23 PM   #6
RnEmOvr
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Don't go by miles or two weeks ago. Stuff can go bad over night.
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Unread 01-22-2015, 08:42 PM   #7
Andy5150
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I had noises I thought was bad spider gears in the rear axle, and it turned out to be bad front driveshaft u-joints. The popping sound only happened when turning. I pulled the front driveshaft, and no noise.
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Unread 01-23-2015, 01:47 AM   #8
jaspepp
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Another vote for ujoints and/or hubs
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Unread 01-23-2015, 11:23 AM   #9
blysccr
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Was going to grab unit bearings and just throw them in- 138k. But never wheeled.

Rock auto 75 plus 10$ shipping.

Napa gold 120 plus tax.


Even though I wanted to get them done this weekend, I can justify the extra $. Guy at Napa said sorry, can't do anything about the price. So I'll still check out the ujoints but have a laundry list of other stuff to do.

Will update when I take a look
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Unread 01-23-2015, 01:32 PM   #10
RnEmOvr
Have Cummins, Will tow.
 
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RAs are probably timken? So better brand anyway.
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Unread 01-24-2015, 08:54 PM   #11
blysccr
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Location: 17201
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surprisingly the unit bearings showed up today! they were in new york and got them installed along with oem shafts from my old rubi with 6K on the clock. I'm 99% sure the clicking is 100% better. Maybe a faint bit? Not sure too many other sounds going on in there.

However, the u joints and bearings seemed to be in fine shape? Everything was tight and rotated smoothly. When I grabbed the wheels there was no play when grabbing at 12 and 6 or 3 and 9. Not sure why?

Needless to say, it's gone and I thank you guys.
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