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Gear Head

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Showing Visitor Messages 1 to 10 of 70
  1. Hemphill
    01-08-2017 09:13 AM - permalink
    Jk do you have a second to help. Details, 1990 f250 5spd fwd. it slips out of gear when I try to reverse in 4 High. Does not in 4 Low. Reverse works fine in 2wd.
  2. jdwilliams44
    09-19-2016 02:05 PM - permalink
    I do see where the sealing rings are on the the suppot, but can't really feel any grooves, definitely leaks air there, I ordered a new forward drum and center suppot, thanks for help, I will let you know how it goes
  3. jdwilliams44
    09-16-2016 08:40 PM - permalink
    I air checked forward clutch with center support on it, clutch pack engages, but there is air hissing back through the inside bore of center support, very little back pressure on supply port, I also tested direct drum which seals to the outside of the center support, clutch engages and has back pressure at supply port, looks to me like the center support inside bore is worn and the sealing rings can't seal enough to hold apply pressure on forward clutch, i see sonnax makes a kit to machine and put a sleeve in center support, or else iam getting a used center support, have you had this isssue? used sonnax sleeve fix? whats your opinion?
  4. jdwilliams44
    09-16-2016 01:34 PM - permalink
    I'll air check tonight, the pump hasnt been apart, you think it has low pressure? Wouldn't the other clutches be burnt also?
  5. jdwilliams44
    09-15-2016 11:36 PM - permalink
    hello, recently rebuilt a 95 explorer 4.0L 4r55e, had bad intermediate servo piston, forward clutches were brown/lightly burned, after rebuild with new steels and frictions, new servo pistons, forward clutches are burnt after a few short trips, noticed it would start out better with cold fluid, once warmed up it would barely creep forward in od when let off brake on the flat, finally got to the point would have to rev up even to get to move/ slipping, seemed ok in manual 1 or 2 though. transmission is disassembled now, i tried to air check with test plate before i disassembled and seemed to have more back pressure on coast and direct clutch packs vs forward, just cant determine where my loss of sealing is? is it just the forward clutch piston seals? they look fine to me, no cuts or rips, sealing rings on center support look good too, is something worn out too much too seal anymore?
  6. 0500757Arf
    08-16-2016 10:56 PM - permalink
    Wow! Just my luck I guess. Alright knowing that I doubt this trans is going back in the truck then, I'll get a cheap used one to throw in for now to run as I rebuild and beef this one up and just stay close to home just in case hahaha! Thanks so much for the help! Really appreciate it.
  7. 0500757Arf
    08-11-2016 10:01 PM - permalink
    0500757Arf I may be looking at a rebuild in the future. On a scale of 1-10 how worn would you say that shell and direct drum are? The truck is just a weekend run around truck and won't be seeing crazy towing or anything so just trying to decide whether it's worth it to do all these trans upgrades while it's out and easy to work with or if that shell and direct drum are on their last leg and I should hold off til it finally goes for good and just do them all to a new transmission when the time comes.
  8. 0500757Arf
    08-09-2016 09:18 PM - permalink
    Hey I was referred to you about my transmission woes by a fellow member. Long story short I have a E4OD 4x4 trans that was dropped on its input side from a few feet in the air and it broke the stator shaft off the pump. Pulled the pump off & dropped the pan & found some areas that were concerning. 1st picture is of behind the pump, only piece that concerns me is the area circled. The 2nd picture is from inside the pan right above the shifter linkage inside the pan. It looks to be a rotational impact damage not a vertical drop impact damage but not sure. I'm completely ignorant in transmissions and was told you've been inside quite a few E4OD's so figured I'd get your personal opinion on the subject. Thanks a bunch!
  9. a6bigal
    06-14-2016 07:53 AM - permalink
    Thanks so much for responding! My thought is that it probably isn't a transmission issue per se either since it does shift fine with the OD off. I am going to bring it by a friend's place today who hopefully can scan more stuff than I can and see what is going on. Will keep you posted and THANKS!!!
  10. a6bigal
    06-12-2016 09:44 PM - permalink
    Got a quick question if you have time. I have a 4R75W (I think) in a 2005 2wd Eddie Bauer Expedition. 200K miles, clear red fluid. Issue is that with the O/D selected (light off) it won't shift out of first gear. With the O/D de-selected (O/D light ON) it shifts fine, but of course then I don't have access to O/D. No OBD codes or panel lights. Weird. I'm guessing maybe a bad solenoid but was wondering if you had thoughts? THANKS!!!

About Me

  • About jk080
    North Georgia
    2 Letter State/Province (use "--" for outside USA/
    Country of Residence
    Current Mileage
    50,000 - 74,999
    Miles per year
    15,000 - 19,999
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    Transmission Rebuilder of 29 years of all Makes and Models


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