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  1. TheEnder53

    Stuck in 4WD. Any help?

    I got the new encoder both hooked up to the TC and hooked up electrically. New TCCM is installed as i tested wiring integrity to verify it was good. Now, the issue is that the new TCCM is throwing code U1000. It takes a good 5 minutes from the time i turn the key to RUN for all of the lights...
  2. TheEnder53

    Stuck in 4WD. Any help?

    Followed the instructions on the service manual. Disconnected the TCCM & Encoder and hooked up a test light connected to ground. Probed encoder motor lock solenoid control wire (Pin D, Connector C1) for short to voltage - did not light up. Pin D lit up, just to be sure it was getting constant...
  3. TheEnder53

    Stuck in 4WD. Any help?

    Yes, it has the 2 flats. I can freely get it into 4hi or 4lo. I’m not sure which way i’m supposed to move it to get it into 2hi, but either way i spin it results in it not spinning anymore. Just gets stuck. I will test it out more. For right now, it drives fine without the front driveshaft.
  4. TheEnder53

    Stuck in 4WD. Any help?

    Got the new encoder in. Cleared all fault codes, no Service 4X4 on dash anymore. Tried to shift into 2HI and it failed immediately, and threw C0324 again. What gives?
  5. TheEnder53

    Stuck in 4WD. Any help?

    Yes. It is a 2001 Tahoe LS 4X4.
  6. TheEnder53

    Stuck in 4WD. Any help?

    Forgot to mention. Selecting 4HI with the new shift motor resulted in just the same 2 buzzes and it never moved.
  7. TheEnder53

    Stuck in 4WD. Any help?

    It is the same shape. The issue is that the encoder motor makes the same sound as the old one, and doesn’t change positions when i try to select it via the dash selector, and the vehicle will only shift into 4lo/4hi with a crescent wrench. Thing that stumps me is that both old and new encoders...
  8. TheEnder53

    Stuck in 4WD. Any help?

    Sounded like it was coming from the encoder motor. 2 distinct fluorescent light type buzzing. Encoder was off the transfer case and not installed as i couldn’t get it aligned.
  9. TheEnder53

    Stuck in 4WD. Any help?

    Got new Encoder motor today. Tried to install it. Would not like up at all no matter what position i tried to connect it with. Thought it was because its in 4wd hi, and tried to move the switch on the TC but i don’t know where neutral is. Hooked up the motor to the truck with it off the TC and...
  10. TheEnder53

    Stuck in 4WD. Any help?

    Literally do not get any notifications for this thread or i would’ve responded sooner, lol. Thank you. Which way should i turn it for 2HI?
  11. TheEnder53

    Stuck in 4WD. Any help?

    It rained her last week pretty bad and i had my Tahoe in Auto 4WD as it lacks Traction Control. It locked the front wheels, and then never unlocked them. I got a service 4wd light on the dash and it will not go into 2HI. It just stays in 4HI. The lights sometimes dim themselves down to nothing...
  12. TheEnder53

    Help understanding the 5.3

    If the bearing caps aren’t torque to yield i’d like to do that. Maybe throw a new set of bearings in. After doing the (final) oil change before i drop the pan, no metal shavings or metal in oil at all. I will still do a test.
  13. TheEnder53

    Help understanding the 5.3

    Here is a video of her idling.
  14. TheEnder53

    Help understanding the 5.3

    Here’s one of the metal spirals. The other stuff in the pan is (some) of the metal that was in it. The bigger chunks is outside debris. Along with hot oil pressure.
  15. TheEnder53

    Help understanding the 5.3

    Mine is fully warmed up within 20-30 minutes of driving.
  16. TheEnder53

    Help understanding the 5.3

    They replaced the pan bolt with an oversized stripped plug repair bolt. It’s now around 26-28MM, and the spirals in the drain pan matched the size of the threads. That is what i thought it was. I think i have a picture somewhere. As she stands right now, cold idle is around 45-50PSI and warm...
  17. TheEnder53

    Help understanding the 5.3

    That is the goal once im able to keep oil IN the engine, lol. I have to drop the oil pan and replace that gasket along with some other gaskets around the engine. Right now, it leaks around 1-2 quarts every 200miles. Once im able to get the pan down, im replacing the sump o-ring, and i will...
  18. TheEnder53

    Help understanding the 5.3

    Haven’t ran a mechanical gauge yet. I just picked it up in January and im still trying to understand it better lol. I’m happy 25PSI is okay. I assume as long as its not reading 0 it should be ok.
  19. TheEnder53

    Help understanding the 5.3

    So the engine in my Tahoe is a 01 LM7. When i bought it, oil pressure was around 35-37psi warmed up. Then it was around 50-55 cold. Oil presssure then began to drop when it was hot over the course of about 2 weeks. Lowest it got was 26psi hot. Replaced the oil with 5W-30, oil pressure went...
  20. TheEnder53

    2001 Tahoe cats won’t initialize

    She ain’t happy anymore. If im easy on the truck, the code won’t set, but if i beat on her, it sets. I will look at it more.
  21. TheEnder53

    01 5.3 P0300 after changing plugs/wires

    I I got them from Oreillys.
  22. TheEnder53

    01 5.3 P0300 after changing plugs/wires

    I am pretty sure they are round coils. Starts with a 190.
  23. TheEnder53

    01 5.3 P0300 after changing plugs/wires

    That was another issue too. The plug socket i used didn’t have an insulator or rubber part because it was quite old. I got a new one.
  24. TheEnder53

    01 5.3 P0300 after changing plugs/wires

    Apologies for lack of response, had to deal with some family issues. The truck was running fine before. After some more diagnosing i fixed it. The plugs i put in were not good and once i dropped in some (dealer) sourced AC Delcos the engine immediately started to run better than it did when i...
  25. TheEnder53

    01 5.3 P0300 after changing plugs/wires

    Hello all, I replaced the plugs/wires on my 5.3 as it was stumbling sometimes at idle with the AC on. After replacing the plugs, with AC Delcos, and with new plug wires, i am getting a P0300 that will not go away. The old plugs were severely worn with the middle electrode almost completely...

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