Rear End Thump
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New User
Joined: Mar 2006
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Rear End Thump
Hello, New to site. Just picked up a 95 bronco in PA. High miles(175K). Condition is 90%. Its hard to believe the overall condition with that many miles. My question is: From a stop or a slow roll I get a thump from rear end area of truck when I accelerate. It's almost like play in the rear end, or in a bushing that is causing a slap when i get on the throttle.
This is my first bronco, but I have owned several Ford trucks, so I am quite familiar with Ford products.
Any suggestions would be appreciated.
This is my first bronco, but I have owned several Ford trucks, so I am quite familiar with Ford products.
Any suggestions would be appreciated.
Lead Driver
Joined: Sep 2002
Posts: 9,182
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From: Gateway to the West
First off, welcome to FTE and the Big Bronco Forum.
Check the FAQ's (Red link in my signature or the same title at the top of this forum) as this is a rather common issue. The short answer is you probably need to service the slip shaft in the rear driveshaft.
Check the FAQ's (Red link in my signature or the same title at the top of this forum) as this is a rather common issue. The short answer is you probably need to service the slip shaft in the rear driveshaft.
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Tomorrow, I will grease the slip shaft. I was going to lift it and check all bushings, but I think I will try this first. Thank for giving me a starting point. I'll let you know if that is the problem.
Thanks for the help
Thanks for the help
Junior User
Joined: Jan 2006
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Originally Posted by Steve95
Tomorrow, I will grease the slip shaft. I was going to lift it and check all bushings, but I think I will try this first. Thank for giving me a starting point. I'll let you know if that is the problem.
Thanks for the help
Thanks for the help
Senior User
Joined: Nov 2004
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pinion nut
check the torque on the pinion nut when mine started makin noise it was the nut came loose and caused slack in the pinion (check it by pushing and pulling up and down on the rear of the drive shaft by the pinion if theres alot of up and down play yours might be lose too )tighten it back to specks with alot of red thread locker and checked all u joints and slip shaft now like new and all was cured good luck
Last edited by chevygoneford; Mar 11, 2006 at 09:33 AM.
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New User
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Greased the slip joint & it's solved my problem. I am amazed that it was that simple of a problem. I guess I will pay for this one down the road, when the next problem is not so easy.
Thank for the replies.
Steve
Thank for the replies.
Steve
Elder User
Joined: Feb 2005
Posts: 693
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From: Hoboken, NJ...
Originally Posted by Steve95
Greased the slip joint & it's solved my problem. I am amazed that it was that simple of a problem. I guess I will pay for this one down the road, when the next problem is not so easy.
Thank for the replies.
Steve
Thank for the replies.
Steve
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Posting Guru
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From: Longview, TX
Klunk
What a difference greasing the slip joint makes! For years I have heard a thump in the rear when hitting a dip in the road and also the klunk when coming to a stop or leaving from a stop. I used Lucas gun grease from O'R..... because it said it was good hot or cold. When on a long hill and transmission downshift at full throttle the rear end would get loose and squirrely and that is much improved also with the now-slipping slip joint.
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Elder User
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From: VB. Virginia
Originally Posted by twisted limb
Does drive shaft need to be removed to grease slip joint? Or just pull boot back?
Last edited by 94 XLT White/ Silver 302; Mar 28, 2006 at 07:14 PM.
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