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1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
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Tranny problem

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Old Feb 26, 2007 | 05:04 AM
  #1  
dbanther22's Avatar
dbanther22
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Tranny problem

Hey fellas i got a '77 F-100 that runs great but the tranny will change gears on its own. If its in park sometimes it will just drop into reverse, in drive if I floor it it drops from drive to 2nd. I think the problem my be in the coulum but I need some help with how to find out for sure. Thanks.
 
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Old Feb 26, 2007 | 05:08 AM
  #2  
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NumberDummy
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There is a metal detent on the upper flange (the round metal part directly below the wheel). If it's worn, the lever will not seat properly, and flop around. Other causes..bad shift tube, worn shift lever, and at the bottom of the column under the hood, worn or missing shift selector lever bushing. This is the arm where the linkage from the transmission attaches.
 

Last edited by NumberDummy; Feb 26, 2007 at 05:12 AM.
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Old Feb 26, 2007 | 12:29 PM
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Mil1ion's Avatar
Mil1ion
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Welcome to the site

FTE has a Drivetrain forum for transmission specific topics.

Please read the FAQ thread posted at the top of this forum.
It is labeled "Read First"
 
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