Tailhousing bushing
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Senior User
Joined: Sep 2001
Posts: 356
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Tailhousing bushing
Hey guys
I have a vibration in my truck (77 f150 400/C6) around 60+ mph. I took it in and they told be the u-joints and the tailhousing bushing were going out. I think i understand how to do they u-joints but how do i fix the tailhousing bushing? Is it in the end of the trannsmission of the front of the rear end?
Thanks
David
P.S. Just so ya dont worry I am not driving it.
I have a vibration in my truck (77 f150 400/C6) around 60+ mph. I took it in and they told be the u-joints and the tailhousing bushing were going out. I think i understand how to do they u-joints but how do i fix the tailhousing bushing? Is it in the end of the trannsmission of the front of the rear end?
Thanks
David
P.S. Just so ya dont worry I am not driving it.
Fleet Mechanic
Joined: Sep 2003
Posts: 1,716
Likes: 15
Loose U-joints can round out the extention housing output bushing. There is a tool that allows pulling it out while still on the vehicle, but I have not seen that tool in person. With the driveshaft out, I just unbolt the extension housing and take it off, supporting the trans with a jack. With a hacksaw blade holder I just saw through the old bushing even with the oil return slot in the housing, as that gives clearance for the blade to come through without touching the housing metal itself.
Then I lightly lube the housing and new bushing, align it properly with regards to the oil return hole in it, and "start" it squarely with a mallet. Then I use my press and various attachments to press it in. The bushing gets pressed below the level of the outermost metal, so the right cylinder size attachment is needed to press it all the way down. It takes quite a bit of force to put it all the way in.
Then I lightly lube the housing and new bushing, align it properly with regards to the oil return hole in it, and "start" it squarely with a mallet. Then I use my press and various attachments to press it in. The bushing gets pressed below the level of the outermost metal, so the right cylinder size attachment is needed to press it all the way down. It takes quite a bit of force to put it all the way in.
Junior User
Joined: Aug 2004
Posts: 56
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FYI, 2001 F150, 75K
Found the transmission extension bushing for the 4R70W at Consolidated Transmission Parts, 866-798-8726.
Removed the transmission extension and took to Amoco and they pressed out the old bushing and pressed in the new for $5. Make sure you have the necessary clearance between the bushing & driveshaft yoke. I had to emery cloth the back side of the bushing due to pressing it in. Took a little off so as not to spin the bushing. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
fficeffice" /><o
></o>
The bushing was worn to the point that the oil groves were mostly gone.
All is well-no vibration.
Found the transmission extension bushing for the 4R70W at Consolidated Transmission Parts, 866-798-8726.
Removed the transmission extension and took to Amoco and they pressed out the old bushing and pressed in the new for $5. Make sure you have the necessary clearance between the bushing & driveshaft yoke. I had to emery cloth the back side of the bushing due to pressing it in. Took a little off so as not to spin the bushing. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
fficeffice" /><o></o>The bushing was worn to the point that the oil groves were mostly gone.
All is well-no vibration.
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