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  1. 03-07 Powertrain
    2004 Cummins 5.9 24v 48re Goerend Built w/ Overhaul kit and triple disc locking converter. Driving home on the interstate one day, in overdrive, cruise control set to 75, it started to feel like it was subtly down shifting into 3rd randomly. Pulled off on an exit. While slowing down, it...
  2. 2010-2012 Powertrain
    So I’ve got a 2010 6.7L manual with 125k miles. I replaced the transmission with a reman at 120k. My old transmission had a chatter in every gear but 5th and gets quieter when clutch is pushed in. My new transmission has the same sound and stops in 5th gear as well as when the clutch is in. I’ve...
  3. 89-93 Performance Parts Discussion
    What is the best tc stall speed for a mildly modded truck, engine is in a Chevy with a 4l80e and the stock 6.5 converter and you have to rev it up a bit to move from being parked
  4. 94-98 Powertrain
    I have a 94 with a 12 valve. Transmission has several issues. If I let it sit for a while (couple weeks) it is very slow to go into gear It kicks hard when I put it into drive Recently it won’t shift into 2nd at the right rpm. It goes way up to 25mph without shifting. But if I let off the...
  5. 2013-2018 Powertrain
    "Weight reduced" 2014 2500 6.7 G56 manual shift transfer case. Long story short, the original trans suffered main case damage. Swapped in a used unknown mileage 3rd gen G56 and retained the original transfer case. That worked well for a while, until last week, I obliterated 4 teeth on one of...
  6. 98.5-02 Non-Powertrain
    so i have a 2000 dodge ram 2500 4x4, on my heat exchanger/transmission cooler where the line comes out theres a nut there and under that nut im leaking alot of tranny fluid while in gear. is there a simple and cheap way to fix it? or can i go to napa and get a transmission hose and slide the...
  7. 98.5-02 Powertrain
    Just recently put a new input shaft in my 47re and after reinstalling it creeps forward after hitting about 130 degrees. All of the information I have when the trans is running is coming off the smart tuner screen so not sure how accurate that is anyway. Truck had a long shift when I first drove...
  8. 03-07 Powertrain
    Hello, My truck has been building a substantial amount of boost (unsure how much, no gauges) before the truck goes into O/D at around 50-55 mph. I only say that because once’s o/d engages you can hear the wastegate release a ton of air. It drives fine when you put it in tow/haul mode but I...
  9. 94-98 Powertrain
    Hey guys, I just picked up a 1998 12 valve with automatic transmission. I have replaced governor pressure and transducer already. The problem is 2nd gear.. it shifts when it should through all gears but as soon as it shifts to 2nd gear there is a funny feeling to it.. best way to explain it...
  10. 2013-2018 Powertrain
    Can someone please tell me where on a 2016 Ram 2500 the TCC Solenoid is located.
  11. 2019+ Powertrain
    Recently sold my built 07 5.9 with a g56 and went bought a 2020 ram 2500 Laramie with 106,000 for a really good price. I noticed the transmission shifted hard when going from 2-3 and 3-4 gears. After about a week of having the truck I noticed a ticking noise at idle coming from the transmission...
  12. 94-98 Powertrain
    Ok so i own a 97 ram 2500 5.9 12v 5 speed. I was driving one day and as I let off the throttle I herd a clunk noise, after that evertime I would let off the clutch at a stop to go it would clunk 1 time the more I drove it the more the clunking got worse into each gear off the clutch and reverse...
  13. 03 - 07 General Discussion
    I have seen many threads from a long time ago discussing this, but fewer regarding fluid lines. My transmission lines on my 48RE are seeping where the rubber meets the metal line from the cooler, both upper and lower. I can get both lines from my local MOPAR dealership for around 300$ or some...
  14. 03-07 Powertrain
    Hey everyone, Super new here but I have a tranny problem (obviously) and I was wondering if anyone here experienced the same issue before I take it in for sure. I have a 2003 3500 with the 48RE and at 80km/h i experience a vibration. The reason I don't think it is U joints is because the...
  15. 98.5-02 Powertrain
    Hello all, Long time since posting but just got a new to me 2002 24 valve auto trans. The truck is having a few shifting issues, most of which I'm attributing to ac noise from the alternator. Yesterday I disconnected the batteries and cleaned all the grounds, after hooking back up I did the APPS...
  16. 07.5 - 09 6.7L Powertrain
    I just bought a new OEM transmission cooler and aftermarket lines and I failed to take note of where the old lines went.(stupid me) On the cooler, is the upper or lower the in? Also on the torque converter cooler, which lines go where? Thanks in advance!
  17. 2010-2012 Powertrain
    i have a 2012 6.7 cummins with what i believe has the stock 68 RFE but my trans temp runs about 74-90 and i see a lot of other people are running 160+. just wondering if maybe i have a built transmission and don’t know it? any thoughts? shifts real smooth and the old owner didn’t say anything...
  18. 94-98 Powertrain
    So I'm putting together my truck and I bought a gasket and filter kit, on the back of the box it says don't use gasket sealant, use oil soluble grease.. any help i could get to properly seal this up? As well as torque specs for the transmission pan. It's a 47re auto.
  19. 03-07 Powertrain
    I have a strange intermittent issue of late shifting and when the shift does occur its very rough. When down shifting it decides to shift earlier and still really rough then went away after I went into park then back into drive. This scared the hell out of me, it took a few days to notice but it...
  20. 07.5 - 09 6.7L Powertrain
    Was installing my new exhaust and while I was hitting the cross member down with a hammer, I clipped the sensor plug and it broke. What is the name of this sensor? Located by the down pipe on passenger side.
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