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Clunk when releasing brake in reverse?

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Old Apr 18, 2003 | 10:06 PM
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Exclamation Clunk when releasing brake in reverse?

When I back up in my 77 F-250 it makes a loud clunk every time I release the brake. I think it's the front right brake catching but why would it only do it in reverse? Any suggestions?
 
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Old Apr 18, 2003 | 10:29 PM
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Clunk when releasing brake in reverse?

Please use descriptive titles...

What type of brakes do you have?

2WD / 4WD?

Axle type?

Need Info! -We ain't mind readers...
 
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Old Apr 18, 2003 | 11:39 PM
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Clunk when releasing brake in reverse?

Sorry, guess I was brain-dead It is 2 wheel drive with front disc brakes. The brake in question was rebuilt a few months ago due to 3/8+ inch grooves in the rotor. (oops) The brake pads had worn through. I hope the clunk doesn't have anything to do with the steering.
 
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Old Apr 18, 2003 | 11:48 PM
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Clunk when releasing brake in reverse?

Radius arm bushings?
 
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Old Apr 18, 2003 | 11:48 PM
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Clunk when releasing brake in reverse?

Here I thought it was a Drum brake truck.

Did you replace the caliper at the time?
 
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Old Apr 18, 2003 | 11:49 PM
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Clunk when releasing brake in reverse?

WHERE is the clunk coming from, front or back?
 
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Old Apr 18, 2003 | 11:51 PM
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Clunk when releasing brake in reverse?

I determined that the calipers were good so they were not replaced. The noise comes from the front.
 
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Old Apr 20, 2003 | 11:04 PM
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Clunk when releasing brake in reverse?

I took the wheel of today and discovered that a rubber bushing has rotted off causing that disturbing noise. Thanks for the help.
 
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Old Apr 20, 2003 | 11:10 PM
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Clunk when releasing brake in reverse?

Which rubber bushing was it or where was it?
 
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Old Apr 21, 2003 | 12:14 AM
  #10  
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Clunk when releasing brake in reverse?

I couldn't describe it in words so I attempted to take a picture a minute ago in the pitch black. It's blury but you can see it. Here it is
 
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Old Apr 21, 2003 | 12:29 AM
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Clunk when releasing brake in reverse?

Those are called the radius arm bushings.
 
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Old Apr 21, 2003 | 12:59 AM
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Clunk when releasing brake in reverse?

Yep, just what I thought it sounded like! -hehe

Been there done that...

It should steer a lot better now and wander less.

A good repair manual would help. Best money you can spend on your truck.
 

Last edited by Torque1st; Apr 21, 2003 at 01:16 AM.
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Old Apr 21, 2003 | 08:09 AM
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Clunk when releasing brake in reverse?

HI-HO ~~~

Ouch!!...that picture hurts just to LOOK at it!! Good luck - let us know how it goes after replacing your bushings on the radius arms...
 
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Old Apr 23, 2003 | 01:58 PM
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Clunk when releasing brake in reverse?

I replaced them yesterday. New ones seen here. The truck rides and steers much better now. Thanks for the help.
 
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Old Apr 23, 2003 | 02:11 PM
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Clunk when releasing brake in reverse?

Hi Ho - thanks for the update - that looks much better!! Did you have to get the front end re-aligned? Did that take care of all the wheel slop?...
 
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