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How to replace body mounts?

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Old May 28, 2008 | 09:12 PM
  #1  
Mercury45's Avatar
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How to replace body mounts?

Hi all, I have a 2003 F250 6" all leaf lift with 37" tires

I have had a clunk noise when swinging the truck from left to right or when going over a large bump, but only when wet for some time now and trying to fix it I have replaced the following:

1. Front leaf spring bushings
2. Front leaf springs
3. Sway bar bushings
4. Sway bar drop links
5. Drag link
6. Track bar
7. Track bar bushings
8. Front leaf, rear mounts (affixed to the chassis, this is where the hanger is installed)


Other things i tried...

1. Removed sway bar - no change
2. Tried to lube body mounts (not so easy to do, but no change.)

I have to think it is body mounts, there is nothing left is there?

Anyway how does one replace ALL the body mounts on a truck like mine, is there a guide somewhere?

thanks!

kenny
 
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Old May 28, 2008 | 09:35 PM
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dew the thunder
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From: South Bend, IN
Ball joints?
 
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Old May 28, 2008 | 09:38 PM
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oh yeah, replaced those too, along with knuckle seals, manual hubs and wheel bearings are fine.

It only does it when wet, so it has to be something stupid

kenny
 
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Old May 28, 2008 | 09:39 PM
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when the clunk occurs it feels like it is under my floor

kenny
 
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Old May 28, 2008 | 09:39 PM
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dew the thunder
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Tried messing with your shocks? I had some that made a clunk noise when wet once...
 
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Old May 29, 2008 | 01:51 AM
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Track bar a little loose?
 
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Old May 29, 2008 | 07:34 AM
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please read the first post... track bar has been done already, its tight

kenny
 
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Old May 29, 2008 | 11:33 AM
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Have you lubed the slip joints on your axles?
 
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Old May 29, 2008 | 11:45 AM
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Originally Posted by juterbock
Have you lubed the slip joints on your axles?
Oh yeah, i forgot to mention that, You mean the driveshaft right? Anyway YES i lubed them, they were ok before i lubed them but now they are plenty lubed

This happends only when wet by the way

It has to be a body mount or something silly... So now - tonight i will pull the body mount bolts and see what i can find out, wish i had a pry bar

kenny
 
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Old May 29, 2008 | 12:53 PM
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Yeah, I'm an idiot, I meant driveshaft.
 
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Old May 29, 2008 | 03:21 PM
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Originally Posted by juterbock
Yeah, I'm an idiot, I meant driveshaft.
dont be so hard on yourself, i forget the names of most these parts...

kenny
 
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Old May 31, 2008 | 05:05 PM
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Sounds like the front cab mounting bolt. Mine is loose as well and makes the same as you discribe clunk. Earlier threads I read here a year or so mentioned the front pass. side cab mount as the leading culprit for this. The head of the front cab mounts is under the carpet and I havent made it under there yet. Hope this helps , sounds like you have a rock Solid front end now. Good hunting.
 
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Old Jun 1, 2008 | 02:06 PM
  #13  
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Originally Posted by XLnAK
Sounds like the front cab mounting bolt. Mine is loose as well and makes the same as you discribe clunk. Earlier threads I read here a year or so mentioned the front pass. side cab mount as the leading culprit for this. The head of the front cab mounts is under the carpet and I havent made it under there yet. Hope this helps , sounds like you have a rock Solid front end now. Good hunting.
thanks - i am closer to fixing this... i took the garden hose and sprayed everything down one piece at a time, the body mounts were fine, then i tried the rear leaf spring and the noise started, amazing how it sounds like the front when it was in the back!

kenny
 
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Old Jun 1, 2008 | 05:24 PM
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Wow. A rear spring. I went under mine and found some sign of loose body mount, but with further pushing and pulling found the steering stabilizer mounting eyelet way loose. the bolt holding the shock body to the Axel is tite and shows no sign of movement but the body of the stabalizer floats alot (aprrox. 1/8" up&dwn-16th side to side) might be the clunk I hear most.

Don
 
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Old Jun 2, 2008 | 02:47 PM
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I've got a bad mount. Lucky for me I work for a dealership so I can use a hoist and lift my cab off my chassis. If it's an "at home" attempt at these, I wouldn't do it.
 
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