Hard shifting
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Senior User
Joined: Jul 2005
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Hard shifting
95 7.3 dually auto 223k, was coming home from work, bout 1 hr commute, when I got into town the truck started shifting hard, both up and down shifts. I have noticed a small leak coming from the diff which I've been meaning to ge to. could low diff oil cause that? or Am I looking at a tranny problem
Post Fiend
Joined: Oct 2003
Posts: 5,903
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From: MICHIGAN
Tranny for sure...not the rear diff. Was your OD light in the end of the shifter flashing.
If so, get it scanned for codes...The PCM/TCM raises the pressures in the trans to protect the clutches when it senses slippage or too much heat... making the shifts feel very hard.
If so, get it scanned for codes...The PCM/TCM raises the pressures in the trans to protect the clutches when it senses slippage or too much heat... making the shifts feel very hard.
Junior User
Joined: Dec 2007
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From: UT
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Posting Guru
Joined: Aug 2004
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From: Braham MN
the if the ICP gets a bad reading it will also raise line pressures and shift hard.
does the TC lock up? if the tail light plug behind the bumper has a bad connection the TC wont lock up and it confuses the trans doing the same thing.
Diesel Rod
does the TC lock up? if the tail light plug behind the bumper has a bad connection the TC wont lock up and it confuses the trans doing the same thing.
Diesel Rod
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Joined: Jul 2005
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OMG! the things you learn here! flushed fluid, fluid dirty but not burnt, no metal in the pan, will try vss and btw my tail light happens to be hangin down from the wires, will try all that, thanks! will keep you posted
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turnkyle
1987 - 1996 F150 & Larger F-Series Trucks
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Oct 11, 2011 09:59 AM
