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  1. Sutton

    Duramax Squarebody “shift range inhibit”

    Yes, the fluid level is dead on. With the truck running, I remove the dipstick, wipe it off, put it back in for a second or two, and pull it back out. It is at the perfect level every time.
  2. Sutton

    Duramax Squarebody “shift range inhibit”

    I had no luck being able to see the pressure switch with the scanner that I had. What scanners are you guys using to monitor the pressure switch status?
  3. Sutton

    Duramax Squarebody “shift range inhibit”

    I will have a scanner tomorrow morning and will see what more that can tell me. I will update soon.
  4. Sutton

    Duramax Squarebody “shift range inhibit”

    I have a 300 psi mechanical guage in the pressure port next to the spin on filter. When it is in drive and stays in drive with the rear tires off the ground I see over 200 psi when given throttle. I’ve pulled codes with a CTS3 module as well as a a generic code reader off Amazon. I will try...
  5. Sutton

    Duramax Squarebody “shift range inhibit”

    Yes, it is a 4wd. It also has an np205. It does the same thing regardless of if the t case is in high, low, or neutral, including not going into reverse at all.
  6. Sutton

    Duramax Squarebody “shift range inhibit”

    Exactly. I’ll look forward to everyone’s help. Thank you again for your input so far!
  7. Sutton

    Duramax Squarebody “shift range inhibit”

    Thank you for the quick response. I did provide power to the A and B solenoid and was able hear them clicking, but that doesn’t necessarily mean they were moving through the full stroke.
  8. Sutton

    Duramax Squarebody “shift range inhibit”

    And the last thing, if I jack the rear tires off the ground and put it into drive, it will stay in drive unless I touch the brake, which will cause it to disengage back into neutral. If I put it in drive with the tires off the ground and touch the gas pedal before ever pushing the brake it...
  9. Sutton

    Duramax Squarebody “shift range inhibit”

    If I force the transmission into limp mode it will stay in gear but still has no reverse.
  10. Sutton

    Duramax Squarebody “shift range inhibit”

    I bought a perfectly running and driving 2001 duramax with an Allison and dropped it into my squarebody using a dmax swap.com engine and transmission standalone. The transmission will not engage in reverse, and will only engage in drive for a short few seconds before disengaging. The...
  11. Sutton

    LB7 build

    How is the build coming along? Have you been able to get some parts in and start assembly?
  12. Sutton

    Nitto 420V

    I absolutely love my 420v tires. I have had a significant amount of friends that have ran them and we have yet to have a complaint or tire failure. It doesn’t get much better than a 420v for quiet truck tires too.
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