727 Torqueflite

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1972trucks

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I have a numbers matching 73 Duster 340 with a 727. It shifts in and out of gears fine but it shifts hard from first gear to second gear and doesn't want to shift from second gear to third gear. Any ideas?
 
Fluid level,
Filter condition
Fluid condition.
If manual shifting, selector linkage adjustment.
If autoshifting, throttle linkage adjustment.

Then depending on specifics there's other things that may be more likely.
but those are the first ideas.

Note fluid level is checked running with parking brake on/wheels chocked, selector in neutral.
 
Kickdown linkage adjusted correctly? If not, the trans will be ruined in short order...
 
You didn't say what the conditions were.
Is this problem just working the shifter manually through the different gears when parked or is it functionally the transmission operation when moving forward down the road?
 
Adjust the Bands.

Here is a short video showing it. Check the specs for your 727 and your application to get it right.



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