E4od transmission slips

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Aug 9, 2010 | 09:14 PM

Ajc11892

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Joined: Nov 2009

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From: Up der

E4od transmission slips

hey i have a 1994 f150 with the 5.0L it has about 156K miles on it and recently my transmission began slipping. at first i thought it was just the vaccuum valves that were dirty so i bought some of the ford valve cleaner for about ten bucks at the store and that barely worked. it definetly shifts a little better, but when i hit the gas like pulling out on to a highway where i have to give her a little more gas than i would in town my transmission likes to slip again. My fluid is never burnt after this happens which makes me wonder. Symptoms: it will do neutral slips and rev really high until it will shift into the next gear, or it wont shift at all and i will have to drive it in second gear

. Im thinking about just taking the pan off and cleaning the valves myself and then buying a new filter and just going from there to see if that works. but i dont want to do more work than i have to because my transmission my just be shot to begin with, or it could be something completely different, just thought i would get a little feed back from you guys. Thanx!

Aug 9, 2010 | 09:42 PM

86F150302

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Joined: Dec 2007

Posts: 3,052

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From: Jacksonville FL

From the "it will do neutral slips and rev really high until it will shift into the next gear, or it wont shift at all"
It sounds like the common MLPS problems to me. Check the TPS also.

There are alot of threads on this topic. If you search it you will get more information.

Aug 10, 2010 | 12:28 AM

andym

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Joined: Mar 2002

Posts: 19,402

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From: Bonita Springs FL

I think you probably have a 4R70W, not an E4OD. Either way I think your tranny is shot and probably needs a rebuild. It doesn't sound like an MLPS to me.