knocking sound in front end...
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From: Quispamsis, N.B, Canada
knocking sound in front end...
Hey guys,
Just a quick question if anyone can help. I just got work done on my '94 f150 4x4 and they put the smaller tires on (235x70's) and I am noticing a sound below the floor. I can feel it thru the floor. It makes a "dunk" sound and speeds up when accelerating.
It handles fine and drives pretty straight down the road. I can take my hand off the wheel and it'll go straight, so I don't know. I'm thinking it's ball joints but they were replaced last year.
It's in the front end and that's all I know, it's loud too. Any help?
Just a quick question if anyone can help. I just got work done on my '94 f150 4x4 and they put the smaller tires on (235x70's) and I am noticing a sound below the floor. I can feel it thru the floor. It makes a "dunk" sound and speeds up when accelerating.
It handles fine and drives pretty straight down the road. I can take my hand off the wheel and it'll go straight, so I don't know. I'm thinking it's ball joints but they were replaced last year.
It's in the front end and that's all I know, it's loud too. Any help?
Post Fiend
Joined: Mar 2002
Posts: 19,402
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From: Bonita Springs FL
Unless he's driving down the road with the 4x4 engaged, that can't possibly be it.
Can you describe the sound a little more? Is it repetitive? Does it only do it at certain times? Is it related to the RPMs of the engine, or the speed of the vehicle? Did it make this noise before the tires? Can you pinpoint the source a little further? Driver's side or passenger side?
Can you describe the sound a little more? Is it repetitive? Does it only do it at certain times? Is it related to the RPMs of the engine, or the speed of the vehicle? Did it make this noise before the tires? Can you pinpoint the source a little further? Driver's side or passenger side?
Senior User
Joined: Feb 2004
Posts: 155
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From: Alaska
My 92 F-150 had a poping noise in the front end. It was only evident when I would stop or turn, sometimes even at acceleration. It wasn't always there though. I was told to check the rivets that hold the front torsion bar bracket to the frame. One rivet was barely there and the other seemed okay. I had them cut out and replaced with bolts. No more noise. Also the noise sounded like it was right beneath my feet. One shop thought it was the shocks. Put in new ones and no change. If that is the case most shops should be able to fix the rivets for reletively cheap. Hope this helps
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I've got a simular sound from a 96 f-350 4X4. I've been crawling under it thinking it is something visible but I can't seem to find a sorce. This truck has set and I think it might be the front axle spinning loosely in between the open transfer case and hubs. I don't notice it at all however when I'm going straight at a decent speed (over 30). I'm curious to see what others say.
(for what it's worth)...dan
(for what it's worth)...dan
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From: Quispamsis, N.B, Canada
It's the hubs I believe guys. I just wanted to know if Warn backed up their product with a warranty? I don't have a reciept but it is indeed a WARN product. See the thing is the noise is the same even when the hubs are locked in. Still the same knocking noise and it get's faster as the speedo goes up. What do you giys think it is?
Feel it thru the floor, continous sound, sound goes away when I apply my brakes, REALLY ANNOYING, and making me feel like I am braking something.
Any suggestions at this point would be great. It's not ball joints at all. Rule that out.
Feel it thru the floor, continous sound, sound goes away when I apply my brakes, REALLY ANNOYING, and making me feel like I am braking something.
Any suggestions at this point would be great. It's not ball joints at all. Rule that out.
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Senior User
Joined: Feb 2004
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From: Alaska
I just remembered something that happened this summer. I was driving a 89' F-250 and a similar noise started, it went away with the brakes applied. I found that one of the two pins that hold the caliper in place had fallen out and the caliper was hitting the rim. You can check this by climbing under and grabbing the caliper. Anychance the rim is hitting a brake line? I just bought replacement pins and all has been good since.
John
John
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I'm having a simular problem with my '92 F-150 4x4. I notice it almost everytime I let the clutch out out of 1st gear. Sometimes when I get on and off the gas as well. I don't know what it is, its like a creep knocking sound.. It has nothing to do with speed or brakes like mentioned above..
Last edited by MSM0075; Dec 4, 2004 at 01:12 PM.
Mountain Pass
Joined: Feb 2003
Posts: 149
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From: UP of Michigan
It turned out to be one of the pins that holds the caliper on. I just squeezed it a bit with a pair of pliers to spread it out. The noise was gone, but if it returns, new pins from the stealership ought to do it. Check yours.
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Joined: Sep 2004
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Hubs
I had that problem...seemed like something was bound up and then a loud "CLUNK". Turns out, my problem was the auto locking stock hubs were worn out. I replaced the auto's with manual Warn's. Problem solved!
Maybe your hubs are "Warn" out (ha, ha...not really that funny).
Maybe your hubs are "Warn" out (ha, ha...not really that funny).
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