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93 k3500 4l80e 4th gear problem

allproroofing

New Member
Messages
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1
Location
rochester NY
Got a 1993 k3500 dually 4x4 with 128,000 miles on it. The transmission shifts fine under normal driving conditions. If I put my foot in it and get on it , it will stay in 4th gear and down shift normally when I slow down to make a turn , after making the turn and picking up speed the tranny will not go into 4th gear. If I pull over , turn the truck off , wait a couple minutes and refire , the truck will climb through the gears just fine like nothing was ever wrong. Why only lose 4th gear after getting into the accelerator hard?
 
Got a 1993 k3500 dually 4x4 with 128,000 miles on it. The transmission shifts fine under normal driving conditions. If I put my foot in it and get on it , it will stay in 4th gear and down shift normally when I slow down to make a turn , after making the turn and picking up speed the tranny will not go into 4th gear. If I pull over , turn the truck off , wait a couple minutes and refire , the truck will climb through the gears just fine like nothing was ever wrong. Why only lose 4th gear after getting into the accelerator hard?
Did you eve figure this out mine is doing this
 
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