1995 f150 tranny problems
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1995 f150 tranny problems
I have a 1995 f150 with e40d tranny That is giving me problems. Let me start at the beginning, when i purchased the truck it shifted hard from 1-2 and 3-4. I ran the codes and the pressure switch code was the only code. I spoke to a friend of mine who was a tranny mechanic and he said it rarely is the pressure solenoid usually the wiring harness or the throttle position sensor causing the hard shifts. I had to replace my axle joints so it was parked for about a month while i did this and replaced ujoints on back driveshaft. While i was under truck I took apart the harness and cleaned it and added dielectric grease.
Took truck for a drive to gas station, ran good still shifted hard. When i was pulling out of gas station felt like trans was slipping but in 3rd gear. When I manually shift it shifts fine, still hard shifts but no slipping. Got it home unhooked battery and changed throttle position sensor. When finished took for a drive and still not shifting right. Tomorrow I will run the truck into town and get the any codes that come up.
\ I am just wondering if anyone has had a similar problem and where to look next. Any help would be appreciated
Took truck for a drive to gas station, ran good still shifted hard. When i was pulling out of gas station felt like trans was slipping but in 3rd gear. When I manually shift it shifts fine, still hard shifts but no slipping. Got it home unhooked battery and changed throttle position sensor. When finished took for a drive and still not shifting right. Tomorrow I will run the truck into town and get the any codes that come up.
\ I am just wondering if anyone has had a similar problem and where to look next. Any help would be appreciated
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My 94 had that issue but erratically. Some days it would others it wouldn't. I changed the vss, spliced a new connector for it as well. Pulled main trans harness visually it looked fine. Finally ended up pulling pcm from behind the dash and looked it over, put it back, hasn't had a problem since. (Knock on wood) The only code I would get was 452 poor signal from vss. Prolly not much help but just what I went through. Hope you figure it out.
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I ran the codes and this is what came up,
637 trans temp circuit
621 Shift sol #1
629 Converter clutch
626 Coast clutch
624 Pressure control solenoid
My next step is to replace the wiring harness or does anyone have any other suggestions?
637 trans temp circuit
621 Shift sol #1
629 Converter clutch
626 Coast clutch
624 Pressure control solenoid
My next step is to replace the wiring harness or does anyone have any other suggestions?
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