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5speed problems

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Old Nov 4, 2011 | 07:21 PM
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5speed problems

i have a 92 f150 4x4 with a 302 the tranny was rebuilt 4yrs ago and 30,000 miles were put on it in that 4yrs i have 1st 2nd and 5th gear but when i put it in 3rd or 4th its like it falls in like theres nuthing there and it just revs up like its in nuetral. is this a common problem and if it is is there an easy fix or wth is wrong
 
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Old Nov 5, 2011 | 09:06 AM
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does anyone have any ideas. what fluid goes in the tranny, i haveant checked yet but could it just be low on fluid
 
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Old Nov 5, 2011 | 09:56 AM
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does it fully engage in those gears? i.e. does the shifter fall into where it should when you put it in those gears?

sounds like ya need to tear it down and see whats happening in there. seems like a shaft is broken. . .normally when teeth chunk, the truck will still drive in those gears but it will sound and feel horrible.
 
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Old Nov 5, 2011 | 10:38 AM
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you can feel it go in all the way but its like theres nothing there, no clunk or anything
 
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Old Nov 5, 2011 | 11:09 AM
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My guess would be broken/loose shift fork, maybe worn shifter.
Probably need to lift the top off of the trans to check.
Hopefully other opinions will follow.
 
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Old Nov 5, 2011 | 11:51 AM
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Originally Posted by Lazy K
My guess would be broken/loose shift fork, maybe worn shifter.
Probably need to lift the top off of the trans to check.
Hopefully other opinions will follow.
yea could very well be the fork is broken or falling apart. best to pop the top on the trans like he said and take a gander.
 
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Old Nov 5, 2011 | 02:19 PM
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can i do that while its in the truck
 
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Old Nov 5, 2011 | 04:25 PM
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M5OD Mazda Design Manual Five Speed Transmission Preventative Measure .: Articles Have a read here.
 
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Old Nov 8, 2011 | 05:35 PM
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alrite i pulled it apart and the forks areant worn or broken. if i put the tranny in nuetral and the shifter in nuetral and bolt it back together and shift it into 3rd gear and unbolt it and lift it off and the fork is moved but the tranny piece didnt move. i can take the cover off and physically put it in the gears. so wth is wrong
 
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Old Nov 9, 2011 | 06:49 AM
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The shift forks are fixed to the shift rails with pins. Check that none of the pins have fallen out or sheared.
 
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Old Nov 9, 2011 | 08:28 AM
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all the pins are good. its almost like the forks are jumping out but with it in the grooves good i dont see how that can happen
 
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Old Nov 9, 2011 | 09:32 AM
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If the shift fork moves, but the shift collar does not, than the shift fork is either not aligned properly, or it is broken. It's probably cracked, and just pops out over the collar. It could also just be very worn down.
 
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Old Nov 9, 2011 | 10:36 AM
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no cracks and its not worn. so i must not be gettin it aligned rite. but it pretty much falls together and looks aligned. is there a secret to gettin it together. and thanks for the help i appreciate it
 
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Old Nov 9, 2011 | 12:08 PM
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The fork is worn. Get a new fork and you will see the difference.
 
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Old Nov 9, 2011 | 12:14 PM
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What he said ^^^^

or the little plastic pieces on the end of the forks are missing
 
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