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  1. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Forgot to update-- got the correct O-rings in from Ford and had a friend with a lathe turn down the pitted/slopped edge of the covers that contacts the snap rings. May not have been necessary, but I've seen posts of people who had the snap rings fail within months, and my best guess is that the...
  2. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Oh, I forgot to mention, to get the cocked servo cover out, I used the biggest welding clamp I had to go from the cover to the driver's frame (other clamps or a ratcheting spreader to the driver side frame would work, this is just what I had.) Then I used another clamp to pull the trans the...
  3. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    I think I'd have a much harder time falling into frustration if I were a pro working on a customer's vehicle-- but since it's my truck, it's choose your own adventure. I actually bought the truck on the cheap (thanks to the no reverse) planning to v8/manual swap it, but it's a FX4 4.0 with a...
  4. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Got busy with work/life, but found some hours here and there. There were indeed supposed to be check balls in the VB. I contacted ShiftRite and at first they were apologetic (though didn't offer any sort of refund for wasting my time troubleshooting their error), then I figured no big deal...
  5. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Oh, interesting, I didn't know that. That said, with the check balls from my old VB, I'm back to square one, which is better than where I was with no check balls. They say they use the TransGo kit, which I can't find instructions for online. I've emailed TransGo to try and get a copy.
  6. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Man, what a clusterfuck of a project. I dropped the VB, pulled the separator, and how many check balls are there? Four? Nope. Three? Nope. Two!? Nope. Come on, there's gotta be at least... Nope, they left all the check balls out. Just sent an email, let's see if they stand by their work...
  7. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Ok, back at it. Still unsure about EPC V, but I hooked the physical gauge back up to the main line side. 11/28 are the post reman'd Valve body numbers, the "All Conn" are pre. I've got a few suspicions now 1) the filler tube was badly corroded, so much so that it leaked from several spots...
  8. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    I just noticed this-- lol :'(
  9. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Although I didn't follow this advice, it definitely makes sense. I had a hard time finding a valve body for under $80, so for ~$170 more, I could gamble on a reman'd VB being a bolt up solution. Since I'm not experienced with transmissions, I think the gamble was worth it. That said, it...
  10. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Yeah, that could be a good option. I like the idea of getting my hands dirty, and I have a scrap one I can get familiar with now, but at this point it also sounds nice to just buy one and plug it in. This is what I was looking at...
  11. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Oh, well this sucks Needed to use a small drift to tap out the Inner Reverse Modulator Valve, I could see that it was working, but the section that showed obvious movement went out of view and I tapped a few more times before realizing my drift slipped off in a passage that was wider than the...
  12. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Very interesting. I'm pretty sure Lite doesn't have the feature to control the solenoids, but I can imagine it'd be handy to be able to manually control those parameters to help diagnosis. Kinda what I was doing when unplugging the "brain" to force maximum line pressure and get reverse to...
  13. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Yeah man, I've seen so many of these threads hit dead ends with no resolution-- If I'm going to ask for help, hopefully I can leave a thread that can help someone else in the future, and even better if it helps you guys that are helping me along! Just to clarify, you're saying your test verify...
  14. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Here are the results from EPC/CPP PIDs. I've been trying to figure out what to make of the two mismatching CPP readings, but haven't figured it out yet. The out of spec(high idle/low WOT) EPC pressures seem more interesting, though I'm not sure what to make of them either. Feeling more...
  15. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Good tip-- I'll check those in the morning. After that, I think I'm going to dig in. Here's my thinking: The band passed the 1st low engine breaking test, and from my understanding, there's not much else in the trans that can cause this issue. The computer seems to be seeing the parts...
  16. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Will do, and thanks for all your help-- having a place like this, with people willing to help out, changes stuff like this from being a frustrating game of throwing parts at the problem to a sometimes frustrating but ultimately enlightening learning experience.
  17. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Sorry for the confusion, I edited the above post probably while you were typing. The PID details for TR_V is identical to TR. Available types are the various shift positions and there's no mention of voltage. It would seem to be a combination that shows voltage and shift position, but is not...
  18. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    Oh, interesting, just looked up CCS in the Altra manual, and it says it should be off in all positions** except Reverse. Maybe we're getting somewhere? **Edit: Should be on in Reverse, Man2 and Low Edit2: Played with it a bit more and now I'm getting a 2-5 second delay and then CCS goes on...
  19. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    CCS remains at 0% through the gears except when in Man2, and then it goes to 100% Ok, so TR voltage is def acting funny. I went ahead and loaded just it. Same readings, but I hadn't noticed before, where it says "Error" in all other gears, in Manual 1 it says 2, and in OD it says P.
  20. **SOLVED** 5R55E No/Weak Reverse, 1st Engine Braking Works

    haha, indeed, pretty cool how much you can do with relatively simple circuits. Ok, so solenoids are doing their thing in reverse, anything else we can glean from PIDs? Is it time to pull the valve body and see what we see?


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