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post #1 of (permalink) Old 07-28-2003, 12:36 PM Thread Starter
 
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Steering knuckle

My '84 CJ7 is making a popping noise when turning the wheels in 2W or 4W. It's done it since I bought it. The steering gear is new (no change). Everything that's lubable has been lubed and lubed again. By watching and feeling, I believe I've isolated it to the right (passenger) knuckle. How likely is it that the ball studs need to be replaced? Reseated? How would I know for sure? One old Jeeper told me that they all do that, and not to worry about it. Is that true?? If the ball studs need replacing can I do it with a simple shop press? The Haynes book only states, "...special tools and techniques..."

Any insight would be appreciated.
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post #2 of (permalink) Old 07-28-2003, 12:58 PM
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Re: Steering knuckle

Jack that sides tire off the ground and see if it has play up/down = balljoints, side to side = TR ends. Play it safe, check both sides and have a friend do the the yanking so you can watch.

Save yourself some time & a BIG headache... borrow the complete "balljoint kit" from Advance or ChinaZone (they just require a deposit which is returned minus tax). They're also particularly nice for doing U-joints also.

Dry crudy springs will cause some popping also.

FWIW, mines done the same thing from day one... I just gave up hunting the source [img]images/graemlins/smirk.gif[/img]
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post #3 of (permalink) Old 07-28-2003, 01:03 PM
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Re: Steering knuckle

I don't believe it's a good thing to NOT worry about popping noises. I have an 84 CJ7 as well and have never experienced what you're talking about. I do have the shop manuals and will check on the "special tool and techniques" for you when I get home this evening.

Scott
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post #4 of (permalink) Old 07-28-2003, 04:23 PM
 
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Re: Steering knuckle

Have you checked the axle joints? They would be my first guess for popping noises.
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post #5 of (permalink) Old 07-28-2003, 04:32 PM
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Re: Steering knuckle

Well on my YJ i found that my U-bolts were not tight and under side load the springs would slid a bit makeing a pop sound that you could feel.
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post #6 of (permalink) Old 07-28-2003, 07:27 PM
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Re: Steering knuckle

I checked and you'll need more than a shop press. I agree with Caver Dave about the ball stud kit rental. I can scan the shop manual pages and send you specs if you want to tackle this job.

Scott
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post #7 of (permalink) Old 07-28-2003, 08:08 PM Thread Starter
 
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Re: Steering knuckle

Thanks for all the replies.
If it were axel joint I would think that if rotated 1/4 turn, thus loading the other axis something would change.

I guess my next step would be to get it in the air and pull connecting rod and tie rod to be sure it's in the knuckle.

If the ball studs are that hard to change it may be better to start searching salvage yards for a used knuckle.
What do you guys think?
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post #8 of (permalink) Old 07-29-2003, 06:40 PM
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Second vote for axle u-joint

Definitely jack up both sides, sit it on jack stands, remove tires and unlock the steering column. Turn the knuckle by hand. You're bound to see something amiss.

My money's on the u-joint.
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