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  #1  
Old March 18th, 2020, 06:48
bjorhei36 bjorhei36 is offline
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Clunking when turning left and going over bumps

Hi! I have a bad case of clunk noise coming from what sounds like the front end passenger side. It only appears when Im turning left or going over small sharp bumps. No clunking when turning right.

Also, the noise sounds really loud inside the vehicle, but can barely be noticed when standing outside. I can not hear the noise when I try to provoke it in my garage, it only appears when driving.

I have changed several components at the front end, which are:

- Ball joints (all four at the front)
- Front axle U joints
- Track bar
- Tie rod ends and drag link
- Steering stabilizer
- Sway bar links and bushing

From visual inspection the control arms, the shocks and the hub assembly looks fine. Im really getting frustrated here, so all help would be greatly appreciated.

Thank you.
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  #2  
Old March 18th, 2020, 07:10
RCP Phx RCP Phx is offline
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Re: Clunking when turning left and going over bumps

The most common would be control or trackbar mounts.
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  #3  
Old March 18th, 2020, 17:02
xjnp242 xjnp242 is offline
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Re: Clunking when turning left and going over bumps

After all you replaced, i'd 2nd control arm bushings.
Don't overlook a bad shock bottoming out.
Make sure the track bar's mounting bolt holes are not worn oblong.
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  #4  
Old March 21st, 2020, 05:50
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cruiser54 cruiser54 is offline
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Re: Clunking when turning left and going over bumps

Make sure the track bar mounting bracket bolts are tight. Don't just look at em. Put a wrench or socket on them.
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Old March 21st, 2020, 13:40
bjorhei36 bjorhei36 is offline
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Re: Clunking when turning left and going over bumps

Quote:
Originally Posted by cruiser54 View Post
Make sure the track bar mounting bracket bolts are tight. Don't just look at em. Put a wrench or socket on them.
I have replaced the track bar, its tight. I also had the one of the LCAs off today to look at the bushing, and the bushing was in good condition by the way.
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Old March 21st, 2020, 14:13
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cruiser54 cruiser54 is offline
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Re: Clunking when turning left and going over bumps

Quote:
Originally Posted by bjorhei36 View Post
I have replaced the track bar, its tight. I also had the one of the LCAs off today to look at the bushing, and the bushing was in good condition by the way.
BRACKET to FRAME bolts.
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Old March 21st, 2020, 14:16
bjorhei36 bjorhei36 is offline
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Re: Clunking when turning left and going over bumps

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Originally Posted by cruiser54 View Post
BRACKET to FRAME bolts.
Sorry, my bad. Yeah, theyre tight too.
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Old March 21st, 2020, 14:18
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cruiser54 cruiser54 is offline
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Re: Clunking when turning left and going over bumps

You've put a tool on them and verified?

They were undertorqued from the factory........
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Old March 22nd, 2020, 03:23
bjorhei36 bjorhei36 is offline
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Re: Clunking when turning left and going over bumps

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Originally Posted by cruiser54 View Post
You've put a tool on them and verified?

They were undertorqued from the factory........
Yes I have, they are tight.
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  #10  
Old March 22nd, 2020, 16:53
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8Mud 8Mud is offline
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Re: Clunking when turning left and going over bumps

Most anytime I get that clunk clunk when turning into a driveway it has something to do with the ball joints.

Jack up the front axle until the tire is off the ground, use a brick or something as a fulcrum pry the tire up with a long bar or piece of 2X4. Look closely at the ball joints top and bottom. New doesn't necessarily mean good. Or it is possible the ball joint bottom is moving in the knuckle, sometimes the diameter of the ball joint is too small and it can move in the knuckle or the hole in the knuckle is rusted or wallowed out and too big.
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Old March 22nd, 2020, 17:00
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8Mud 8Mud is offline
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Re: Clunking when turning left and going over bumps

Also, check the steering box bolts I've had them come loose. Also have a look and see how much up and down play you have in the pitman arm, might as well tighten the pitman arm bolt while your down there.

What year XJ?
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Old March 22nd, 2020, 17:03
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8Mud 8Mud is offline
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Re: Clunking when turning left and going over bumps

What size tires are you running, your tire may be contacting the control arm.
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  #13  
Old March 25th, 2020, 12:36
bjorhei36 bjorhei36 is offline
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Re: Clunking when turning left and going over bumps

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Originally Posted by 8Mud View Post
Most anytime I get that clunk clunk when turning into a driveway it has something to do with the ball joints.

Jack up the front axle until the tire is off the ground, use a brick or something as a fulcrum pry the tire up with a long bar or piece of 2X4. Look closely at the ball joints top and bottom. New doesn't necessarily mean good. Or it is possible the ball joint bottom is moving in the knuckle, sometimes the diameter of the ball joint is too small and it can move in the knuckle or the hole in the knuckle is rusted or wallowed out and too big.
Checked the ball joints again just to make sure, theyre not it. I also run small wheels, they have not been making contact with the LCA.
Checked the pitman arm bolt, tight as well.
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  #14  
Old March 26th, 2020, 06:55
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8Mud 8Mud is offline
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Re: Clunking when turning left and going over bumps

Try pushing and pulling hard on your valve cover from the side. A quick check for motor mounts.

I put my feet on the passenger's side of my transfer case and bounce a little to check the rear trans/transfer mount.

Shock bushings?

Is it possible the exhaust is banging your cross member, grab he exhaust near the cross member and push up and pull down hard. Pretty common for the exhaust to contact there.

If it isn't obvious it almost has to be exotic.

Did you look at the steering box mounting bolts?

Can you feel the clunk through the steering wheel? Or do you just hear it?

Not likely but is it possible your rear axles U-bots have stretched or come loose?

It may sound like it is coming from the front right, but the reality is it could be anywhere. I've been fooled before, sound travels through the drivetrain you can't trust your ears for location, especially from inside the vehicle.

Another oddball your front brake pads lose on the rails, not loud but they can clunk.
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