Help me identify these two separate issues with steering and prop shafts - Defender Source
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  #1  
Old March 1st, 2014, 05:13 PM
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Carl Jonsson
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Help me identify these two separate issues with steering and prop shafts

I have two minor concerns about potential issues that I'd like to take care of before my 3000 mile road trip to Overland Expo. I'd love to get some opinions on what they might be.

1. On occasion when I do I full turn there is loud clunk in my steering linkage somewhere. The strange thing is that its not every time, it just happens on occasion. It concerns me because have had steering issues before (from off road abuse I suppose) when the drop arm dropped out. It has since been replaced. Any idea what this loud clunk could be? To my knowledge it only happens on full extension of a turn.

2. The truck shudders/vibrates when accelerating under load (uphill, etc). It does not shudder when coasting or driving downhill. I thought it might be the prop shafts but I replaced both prop shafts with new, balanced ones last year and there's no play. Any ideas what might be causing this? Should I take off the drive shafts and have them checked?

Is it possible that something else is causing these clunks and vibrations?
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  #2  
Old March 1st, 2014, 06:14 PM
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James Wallace
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Sometimes, not always, the CV joints will cause clunking noises when at extension and cause vibrations at odd times. Overlooked in Defenders as they are buried in the axel case. They do this on VW's and are more obvious as they are external. You may want to try to isolate the source of vibration, left right, front rear.
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  #3  
Old March 1st, 2014, 06:54 PM
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shudder sounds like pinion angle issue. Is your truck lifted ?

Steering pop sounds like panhard rod bushings or bolts.
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  #4  
Old March 1st, 2014, 06:58 PM
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I've always found it's not one problem...every freakin thing on a vehicle is one contributing problem away from failure. You, most likely have more than one thing going on...
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  #5  
Old March 1st, 2014, 08:17 PM
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Your description matches up with what was a faulty cv on mine. I drove it for a little while until I was able to determine which one was the culprit. Once I pulled it apart it looked like I could have driven quite a few more miles before total failure took place.
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  #6  
Old March 1st, 2014, 09:01 PM
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Carl Jonsson
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Thanks guys. Great feedback. CV's are on my suspect list as they are one of the few things never serviced during my ownership. How do you check for wear on them and what does service involves? No lift on my truck, just stock height with OME springs & shocks. Could be linkage bushings or bolts. I will go through them and check.
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Old March 1st, 2014, 09:08 PM
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On the second one. Had similar symptoms which were very puzzling until we spotted a couple of bolts missing between the driveshaft and LT230.....
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  #8  
Old March 1st, 2014, 09:42 PM
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Carl Jonsson
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Ouch. Going to check all the prop shaft bolts.
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Old March 1st, 2014, 10:49 PM
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On the steering clunk - How are your swivel bearings?
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  #10  
Old March 1st, 2014, 10:53 PM
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Carl Jonsson
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The chase is on

Quote:
Originally Posted by JSBriggs View Post
I don't want to send you on a wild goose chase, but shooting from the hip, the pop might be CV or it might be panhard or radius bolts. The shutter? My first thought was clutch. -Jeff
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Old March 1st, 2014, 10:53 PM
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Should you go the SLC way and have any interest in convoying rest of way down be glad to do so. Chasing electrical issues now in attempt to be "set" to go.
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  #12  
Old March 1st, 2014, 10:53 PM
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Carl Jonsson
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No idea. How do I check them?

Quote:
Originally Posted by Mybluett View Post
On the steering clunk - How are your swivel bearings?
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  #13  
Old March 1st, 2014, 11:02 PM
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Carl Jonsson
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I think sharp right but need to verify as it only happens occasionally and I'm having a hard time replicating it.

Quote:
Originally Posted by JSBriggs View Post
Is the pop from one specific side or the other? Is it when turning sharp in either direction, or just right or just left? -Jeff
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  #14  
Old March 1st, 2014, 11:06 PM
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Carl Jonsson
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Thanks! I will check and tighten all bolts first then lift and check bearings.
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  #15  
Old March 1st, 2014, 11:37 PM
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Carl, I recently had a similar problem it ended up being the CV's and swivels...more swivel than CV IMO but I'm no mechanic...I would start with swivel. If you don't get to the CV's I'm bringing my trail spares so you're covered at the Expo! lol...
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  #16  
Old March 2nd, 2014, 07:59 AM
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Carl Jonsson
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Thanks Bill! I've read all the Death Wobble threads by now. Not certain that is what I have but it has given me a better idea of the checklist to go through. I like the idea of ruling out the simplest and easiest things first then progressively move towards the more time consuming adjustments.
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  #17  
Old March 2nd, 2014, 09:03 AM
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I echo Uncle Douglass. The best way to check your steering is to put a hand on and visually observe each componentwhile someone turns the steering wheel left/right.
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  #18  
Old March 2nd, 2014, 09:48 AM
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Carl Jonsson
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Top of the list.

Quote:
Originally Posted by fishEH View Post
I echo Uncle Douglass. The best way to check your steering is to put a hand on and visually observe each componentwhile someone turns the steering wheel left/right.
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  #19  
Old April 28th, 2014, 01:18 PM
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Carl Jonsson
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Well, I've eliminated the swivel pin bearings from the suspect list. A big thank you to Brian at Defenders Northwest for donating his entire Sunday, for letting me use his shop and for guiding me through the Swivel Pin Bearing and Seal replacement process. Thanks!
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Old December 13th, 2015, 12:50 PM
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Carl Jonsson
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The pop/clunk while making a full turn came back so I thought I'd make another attempt to chase down the issue. Could it be the track rod or drag link bushings? In terms of steering bushing replacements what are the usual suspects that tend to wear out first?
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