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kickdown linkage problem

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Old May 29, 2008 | 02:00 PM
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kickdown linkage problem

i have a 76 with a 460 and c6 tranny. i recently installed a new oil pump and new valve seals. thought everything was fine. turns out the linkage got fouled up some how. she does not want to shift properly, and i cannot figureout what the problem is. i think the rod might have been bent somehow. please help.
 
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Old May 29, 2008 | 02:02 PM
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Is the kick back rod connected to the carb?
 
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Old May 29, 2008 | 02:03 PM
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How is she shifting?
 
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Old May 29, 2008 | 03:07 PM
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check to make sure the kickdow linkage travels from front to rear without binding
 
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Old May 29, 2008 | 03:56 PM
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kickdown linkage

the rod is attached to the carb. there semms to be some sticking at the connection. i did try to spray the area with lithium grease. i took her out driving and i had to rev her pretty good to get her to shift. at one point i had her at 50 mph and she seemed to be in her stride, but then she down shifted all of a sudden??? i have a hard time even moving the rod back and forth.
 
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Old May 29, 2008 | 04:51 PM
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the linkage needs to move freely
also is the vacuum modulator line hooked up?
 
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Old May 29, 2008 | 05:46 PM
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Have you checked the vacuum modulator? If the diaphragm on the modulator is cracked, you'll get oil into the vacuum line and it will fudge up your shifting.
 
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Old May 30, 2008 | 12:22 AM
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Originally Posted by rbaker6336
the linkage needs to move freely
also is the vacuum modulator line hooked up?
<TABLE width="100%" border=0><TBODY><TR><TD vAlign=top>Have you checked the vacuum modulator? If the diaphragm on the modulator is cracked, you'll get oil into the vacuum line and it will fudge up your shifting.
</TD></TR></TBODY></TABLE><!-- / message -->

geronteeed u unhooked the vacuum line goin to the modulator<!-- controls -->
 
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Old May 30, 2008 | 08:59 AM
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From: Royse City TX
Originally Posted by yield2s
<TABLE width="100%" border=0><TBODY><TR><TD vAlign=top>Have you checked the vacuum modulator? If the diaphragm on the modulator is cracked, you'll get oil into the vacuum line and it will fudge up your shifting.

</TD></TR></TBODY></TABLE><!-- / message -->


geronteeed u unhooked the vacuum line goin to the modulator<!-- controls -->
Yeah thats why I ask how it shifted. They didn't really specify so to clear things up. If you jump on the gas and the truck takes off like it doesn't give a crap, just shifts like regular acceleration, then the kickback is the problem. If it's stuck in first then get under the truck and check the vacuum line at the back of the tranny. I'll guaruntee that it's one of them which both are pretty easy fixes.
 
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Old May 30, 2008 | 11:17 AM
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Yep, i think this 1's dun busted. Just hope we hear back on the results
 
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