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Old 06-13-2014, 07:17 PM   #1
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Knock when turning

For the last few days, occasionally when I turn, usually either out of a stop or when going very slow, I will hear a single knock. I don't think I have heard it turning right, only left. But I could be wrong. I haven't gotten under it to check for loose steering components yet but any ideas on where to start would be great. Thanks

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Old 06-13-2014, 07:20 PM   #2
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Could be a loose track bar, bad ball joint, or maybe a UJoint, but one knock when turning makes me think track bar.

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Old 06-13-2014, 07:29 PM   #3
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Track bar would make sense. I had a death wobble in the fall that may have ovaled the bolt hole on the axle side. I'll check in the morning.
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Old 06-14-2014, 01:11 PM   #4
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Ok, so I got under the jeep and shook every part of the steering system. Everything "seems" tight. Also, more details on the knock. In the past day I haven't hear it once when I was going over say 5 or 10 mph. But if I'm stopped and turn the wheel back and forth, from full lock left to full lock right, it will knock a couple times, never at the same points in the turn though. Also when sitting still and turning I can feel grinding vibrations through the steering wheel.

Any ideas?
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Old 06-14-2014, 02:01 PM   #5
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When you find the prob let me know. I'm having almost the same issue as you.
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Old 06-14-2014, 02:54 PM   #6
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Steering shaft ujoints?
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Old 06-14-2014, 03:04 PM   #7
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Do steering shafts without tilt steering have u joints? Either way, I can clearly hear it coming from under the jeep. Haven't been able to get anyone to turn it while I'm under the jeep to pin point it anymore than that.
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Old 06-14-2014, 08:07 PM   #8
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So I've narrowed it down to the front drivers side. It sounds like it's coming from the steering box? I've never heard of a steering box knocking before.
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Old 06-14-2014, 10:01 PM   #9
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I had the same issue; I replaced all of the steering components, u joints, in the end I still has the noise... Then I jacked up the jeep and noticed the wheel moved... I removed the tire and wheel and checked the wheel bearing assembly and it had bad bearings so I replaced both sides for less than 150..
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Old 06-14-2014, 10:12 PM   #10
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Here is the part; http://m.advanceautoparts.com/mt/sho...hub+assemblies


Autozone has it cheaper but the moog has timken bearings
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Old 06-14-2014, 10:30 PM   #11
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You can get Timken unit bearings from rockauto for ~ $130 shipped. I just got them a couple weeks ago. That's $68 per side in case it sounds like $130 per, lol.
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Old 06-14-2014, 10:37 PM   #12
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I haven't ever bought anything from rock auto... I but stuff off line but when it comes to auto parts I like to take the old one in and make sure I am getting the right parts... I know that's old school
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Old 06-14-2014, 10:48 PM   #13
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I haven't ever bought anything from rock auto... I but stuff off line but when it comes to auto parts I like to take the old one in and make sure I am getting the right parts... I know that's old school
I prefer local brick and mortar stores too. There are some times when I can't get the quality I want at a reasonable price, and rockauto is my go-to. I've purchase lots of stuff from them. Zero problems so far.
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Old 06-15-2014, 07:38 AM   #14
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I don't think it's a bad wheel bearing. I haven't jacked it up but I have felt both wheel assembly's and neither one feels abnormally hot. Plus, wheel bearings are usually more of a constant whirring sound at high speeds. I never hear this at high speeds. I'll jack it up and check later today though.
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Old 06-15-2014, 04:12 PM   #15
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Jacked it up and checked tie rod ends, ball bearings, and wheel bearings, all seem perfect. Still knocking. Still sounds like from steering box? Also, when I shake the pitman arm I can hear a slight knocking.
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Old 06-15-2014, 05:05 PM   #16
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Have you done a dry steer test with you under the front and someone else helping behind the wheel?
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Old 06-15-2014, 06:57 PM   #17
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Yep, that's how I found out the sound was coming from the steering box. I can also feel the vibrations in the steering box and pitman arm every time it clunks.
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Old 06-15-2014, 07:58 PM   #18
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I don't know the symptoms of a bad steering gearbox other than leaking past the seals. An actual mechanical clunk inside I haven't personally dealt with. I guess if it were me I'd pop the pitman-draglink and verify the clunk was inside the unit itself, then proceed.

Can the gear tension or backlash be adjusted, if that's what it is? Sorry bud, it's outside if my area of insight so I guess all I have is intuition and questions. lol

Good luck!
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Old 06-15-2014, 08:46 PM   #19
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I haven't gotten under it to check for loose steering components yet but any ideas on where to start would be great. Thanks
I would start by looking under it. No one can tell you what it looks like underneath. If there is a problem, likely it will be visible. Anytime that I've had any problem with my suspension, I could see the problem immediately. But, maybe its just me.
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Old 06-15-2014, 08:56 PM   #20
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I would start by looking under it. No one can tell you what it looks like underneath. If there is a problem, likely it will be visible. Anytime that I've had any problem with my suspension, I could see the problem immediately. But, maybe its just me.
If you would have read another couple posts you would have seen that 20 minutes after he posted this he posted that he in fact got under the vehicle. There's a whole dialog that follows, if you're interested.
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Old 06-15-2014, 09:35 PM   #21
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Mine seemed tight too but I had a knock and death wobble. Grab the bar connecting the tie rods to the drag link and driver side wheel and try to twist it. If you can then replace the tie rods.
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Old 06-16-2014, 09:14 PM   #22
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So I got almost the same problem but I think I've got it figured out as my drag link being loose but I've tightened it and it's still loose so I'm gonna replace it once I get the funds
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Old 06-16-2014, 09:54 PM   #23
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Should you not be able to twist the tie rod and drag link? Cause both of mine twist. Neither one wiggles in the ends but both twist.
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Old 06-17-2014, 06:01 AM   #24
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Mine is extremely easy and where the band is on the drag ling to hold the end piece on its allowing the end piece to slip and is allowing my rod to wiggle in all sorts of directions that the rod shouldn't be able to but being able to just rotate it back and forth I'm not sure
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Old 06-17-2014, 06:29 AM   #25
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Well if I can't figure it out by the end of the week I'm just gonna let the shop figure it out. I'm taking it in to get an exhaust leak fixed anyway.
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Old 06-17-2014, 08:42 AM   #26
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I got that problem to but that's another problem for another time with more money than I got for now
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Old 06-17-2014, 11:03 AM   #27
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Take a look at your lower shock mount. If its a bar pin or a BPE it could be causing the knock. An idea from experience.
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Old 06-18-2014, 09:36 PM   #28
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So I had the shop see if they could trace the noise while they had it fixing my exhaust leak. The called today and said it was a rubber boot around the steering shaft where it goes through the fire wall had worn out? This doesn't make much sense to me but I'll check it out when I get the jeep back on Friday.
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Old 06-18-2014, 09:37 PM   #29
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So I had the shop see if they could trace the noise while they had it fixing my exhaust leak. The called today and said it was a rubber boot around the steering shaft where it goes through the fire wall had worn out? This doesn't make much sense to me but I'll check it out when I get the jeep back on Friday.
Sounds like bs.
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Old 06-18-2014, 09:55 PM   #30
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You don't by chance have a body lift over 1" or so do you?

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