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Ford F-Series Transmission Problems
235 messages, Last post on Aug 26, 2008 at 8:00 PM
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I had my transmission rebuilt 2 years and 25k ago. Everything worked perfect until recently. There are no trouble signals. Sometimes when I down shift the revs go up past where they should (freewheel ?) and then drop down to where they should be in the lower gear. It is expecially bad when in top gear at highway speeds on grades. The revs will go up 500 rpm past where they should be (or more) and then it slams back into gear and then everything is fine. In regular driving it shifts perfectly and the fluid level is good with the color good and no burnt smell. One shop thinks it might be a sprag and the shop that rebuilt it thinks it might need another overhaul because of clutch wear. It should not be clutches as it only has 25k easy miles on a complete rebuild. It does not feel like slipping but like it is in neutral (or between gears for a split second) when this happens. Any ideas? |
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Replying to: dlear (Mar 02, 2008 9:00 pm) |
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Replying to: transman (Sep 21, 2007 1:53 pm) |
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I have a 1995 Ford F250 Super Duty with a E40D transmission. Last week I was pulling my 32ft trailer up a mountain pass when the transmission went into a down shift mode untill all I had was engine RPM/throttle when you hit the gas. I wasn't pushing it. I was doing about 50MPH up the highway and I had my overdrive turned off at the time. Needless to say it cost me $1000 cash to have my trailer and truck towed back to my house which was about 110 miles away. I went to check out my truck today and I do have reverse but I have no forward gears to move the truck, just engine RPM/Throttle. Any ideas would be great as yes I know that this is a complicated transmission. Thanks in adavance for all your help.
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Replying to: ford_f (Apr 26, 2008 12:22 pm) |
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Replying to: tthefordman (Aug 04, 2008 2:12 pm)
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Replying to: fordfan_17 (Aug 19, 2008 10:38 pm)
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Replying to: rterrell (Aug 22, 2008 5:30 am) |
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Help! Transmission just recently started to show these problems: occasionally when starting the truck and putting transmission into drive there's nothing there (it's like it is in Neutral), 2nd is the same. The trick to getting 2nd & Drive working and moving forward is to put truck into 1st gear and drive slowly forward and then shift into 2nd then into Drive to engage transmission. This method has worked everytime regardless of temperature, duration of how long the truck had been running or shut down, etc. Now there is a new problem: the method of putting truck into 1st gear and then to Drive is no longer working. 1st gear seems to be slipping (or what I believe to be slipping) and doesn't engage. If I gas it at this point and go to 3000 rpm and then back off, it will slowly engage into 1st and then again I can shift into 2nd and then Drive. Reverse has always worked fine. Any ideas?
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Replying to: slmx525 (Aug 26, 2008 4:12 pm) Tony |
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