Early 99 with front end "CLUNK"
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Junior User
Joined: Jun 2006
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Early 99 with front end "CLUNK"
This is getting old, I've replaced the shocks, sway bar bushings, and lubed the the slip joint. I'm only getting the clunk when I brake. I can feel it in the floor-board on the drivers side. Checked the ball joints 3 times now and still no play. Clunk happens more frequently when raining too. Maybe thats because I live in the Northwest. Please someone help before I go NUTS! I will post a fix when I figure it out. Seems to be a common problem on threads but no one reposts their fix.
Freshman User
Joined: Sep 2006
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This is getting old, I've replaced the shocks, sway bar bushings, and lubed the the slip joint. I'm only getting the clunk when I brake. I can feel it in the floor-board on the drivers side. Checked the ball joints 3 times now and still no play. Clunk happens more frequently when raining too. Maybe thats because I live in the Northwest. Please someone help before I go NUTS! I will post a fix when I figure it out. Seems to be a common problem on threads but no one reposts their fix.
Senior User
Joined: Feb 2006
Posts: 178
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From: Maryland
Kevin,
Well bud, if it was the same problem as mine, i'm sorry to hear it. Try this. With the truck running, turn the steering wheel back and forth and see if you can hear the clunking noise. I found mine, the steering gear box had worn out, creating a slap back and forth on the shaft, transfering to the frame, and then my feet. Hope this can help.
Well bud, if it was the same problem as mine, i'm sorry to hear it. Try this. With the truck running, turn the steering wheel back and forth and see if you can hear the clunking noise. I found mine, the steering gear box had worn out, creating a slap back and forth on the shaft, transfering to the frame, and then my feet. Hope this can help.
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Lead Driver
Joined: Dec 2006
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From: San Diego, CA
Another thought is the upper joint for the swaybar end links. I was going to just replace the bushings for the bar (lower part), but the joints that bolt to the frame were shot too. I replaced my end links and all my "thunks" are gone.
Just my .02
Just my .02
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Posting Guru
Joined: Feb 2005
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From: Oregon
I had the same issue and the wd40 as well as everything else I tried did nothing to fix it. Turned out being the spring eye bushings. Seems the manufacturer of my lift uses poor quality bushings. Air hammered them out 1 at a time. Fixed!
Senior User
Joined: Aug 2004
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From: Racine Wi
I have the dreaded thump on my early 99 as well. I know mine is the upper sway bar bolts to the frame. I have tried two different brands and tightened them many times. It always comes back on the drivers side. I tolerate it until I can't any more and slide under and torque em again. I have tightened them so tight that I acually broke the hardened stud, but to no satisfaction. The thump always returns....welded?
Jim
Jim
Junior User
Joined: Jul 2009
Posts: 96
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From: Methuen,MA
I had the same problem last year. Always had a loud clunk and could feel it under the floor pan. I ended up changing the track bar bushings because that had a lot of slop and were extremely rotted. After that, no more cluck and the steering felt a little tighter.
Elder User
Joined: Feb 2003
Posts: 673
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From: Virginia
This is getting old, I've replaced the shocks, sway bar bushings, and lubed the the slip joint. I'm only getting the clunk when I brake. I can feel it in the floor-board on the drivers side. Checked the ball joints 3 times now and still no play. Clunk happens more frequently when raining too. Maybe thats because I live in the Northwest. Please someone help before I go NUTS! I will post a fix when I figure it out. Seems to be a common problem on threads but no one reposts their fix.
I had a similar problem with my wife's 01 250 and it was bad ball joints.
Cargo Master
Joined: Aug 2003
Posts: 2,332
Likes: 442
From: Eastern Washington
My brake-clunking issue wound up being brake pads, but theres lots of bits under the front of a SD to wear out.
Elder User
Joined: Feb 2003
Posts: 673
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From: Virginia
Very true, leverage is key in determining if ball joints are worn out. In my case they were trashed and could tell by using my hands.
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foolishone
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Nov 16, 2006 10:16 PM
