Slips up hills - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 4 (permalink) Old 05-27-2014, 10:07 AM Thread Starter
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Slips up hills

E40D in a 97 7.3.. Seems to be the only time my tranny slips is when I stop on a hill then start going again. Only in 1st gear and it doesn't seem to slip any other time. Anyone else ever had this? I just bought it so it might need a flush and filter change but I hate to put the money into that if I might be looking at a rebuild soon
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post #2 of 4 (permalink) Old 05-27-2014, 03:35 PM
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Re: Slips up hills

If the clutch is really slipping then changing the fluid is a waste of money. If it has slipped more than 1-2 seconds then the clutch is friend, the fluid is burnt, and the trans needs a rebuild.

Why do you think it is slipping?

Mark
Former Ford Automatic Transmission Engineer

“The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson
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post #3 of 4 (permalink) Old 05-28-2014, 02:04 AM Thread Starter
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Re: Slips up hills

Whenever I hit the gas, it'll go.. then rev up and grab and go again. The only time it has done it is after stopping on a hill. Other than that it seems fine.
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post #4 of 4 (permalink) Old 05-29-2014, 01:58 AM
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Posts: 3,029
Re: Slips up hills

Low fluid can do this. So can a mis-installed internal filter.

Mark
Former Ford Automatic Transmission Engineer

“The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson
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