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  1. TheEnder53

    2001 5.3.. Tons of metal in oil

    I went i believe around 3600mi on this oil change. Oil is pennzoil ultra platinum 5W-30.
  2. TheEnder53

    2001 5.3.. Tons of metal in oil

    It’s been roughly 8K since this started. Oil pressure hasn’t been below 35-40psi hot unless it’s 117°F outside and it’s idling in the sun without the clutch fan being able to suck in much air. Pulling the engine isn’t too big of a deal, i’m putting a new engine in my other truck in a couple...
  3. TheEnder53

    2001 5.3.. Tons of metal in oil

    Nothing magnetic that I can tell. I couldn’t get any pics of the oil before i took recycled it but it’s bad. Bottom of the pan was covered in metal shavings and what looked to be very tiny blue RTV pieces.
  4. TheEnder53

    2001 5.3.. Tons of metal in oil

    I just did my 2nd oil change since owning my Tahoe. First time, there was metal in it. It wasn’t too bad. This time. It was literally full of metal. Oil had that metallic flake to it. It was scary. I don’t know where it’s coming from. It doesn’t appear to be magnetic, and the engine runs...
  5. TheEnder53

    02 Sensor Issues - MAF, Sensors, What else?

    Apologies for not responding sooner. Been a bit rough here, that and the fact I got a new phone and didn’t know how to log in for a bit. lol. I can confirm at least according to data PIDs it’s running lean. It’s adding around +25% fuel trims on long terms and short terms for both banks. Yet...
  6. TheEnder53

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Not quite sure how to have just the DRLS on at night. But this gives sort of a thought as to how bright they are.
  7. TheEnder53

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Also, got HP Tuners today. Bought 2 credits and firmed up the shifts and upped the shift points so i don’t have the early 2-3 shift at wide open throttle anymore. Drives even better, didn’t know that was possible. Then gave her a nice wash. Need to start thinking about repairing the paint soon.
  8. TheEnder53

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    I can take some tonight, no issues! Thank you!
  9. TheEnder53

    02 Sensor Issues - MAF, Sensors, What else?

    No lean codes at all. Just the P0157 and now the P0131 that hasn’t come back yet. It hasn’t misfired at all, and without the P0131 setting it drives just fine with no power loss at all. It’s only when that code specifically sets to where it loses all power. I don’t believe the transmission is...
  10. TheEnder53

    02 Sensor Issues - MAF, Sensors, What else?

    Yes. 2001 Tahoe LS 5.3 4X4. Has just a hair under 250,000mi on the odometer.
  11. TheEnder53

    02 Sensor Issues - MAF, Sensors, What else?

    Hello all. I’ve had some confusing issues with my Tahoe since I bought it stemming from the 02 sensors. Originally, when it was colder out, I would get a repeated P0157 only if i beat on it. Had to be at or near wide open throttle for it to set. I was able to get it smogged here in California...
  12. TheEnder53

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    They came aligned very well. Only issue I noticed was the housings not lining up perfectly with the headlight bracket. You think the 2 metal allen key things are in how they should be until you look down and realize that it’s ****-eyed because the bottom hole didn’t align up with the bottom...
  13. TheEnder53

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    Thank you for giving me ideas, lol.
  14. TheEnder53

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    First very long drive since I bought her after upgrading exterior lighting. I know it may not be the look everyone loves, but i absolutely love this Tahoe. She looks damn good for having nearly 250K!
  15. TheEnder53

    Is it worth fixing up a 300k mile GMT800?

    In my opinion, yes. You could easily dump in a few grand into a used GMT800 and make it nice again. They will last much longer than the newer stuff too.
  16. TheEnder53

    Replaced amp..better, now no sound from rear speakers. Any help?

    the interesting thing is that with it installed only front worked but the drivers side was significantly quieter than the passenger side. that still is happening now with an amp. and yes, no bose, just 9 speaker factory system with sub and onstar. i plan on getting new speakers from...
  17. TheEnder53

    Engine tilted down toward firewall

    Yes
  18. TheEnder53

    Replaced amp..better, now no sound from rear speakers. Any help?

    https://a.co/d/gQUJbhh Just the metra harness other people use but pre-made to bypass the amplifier. Everything is stock. Radio is stock, sub is stock, nothing has been touched.
  19. TheEnder53

    Replaced amp..better, now no sound from rear speakers. Any help?

    No sound from them connected to home audio. I couldn’t find any 9v batteries, but i still don’t know why the front speakers wouldn’t work in place of the rear speakers. Are the + and - switched?
  20. TheEnder53

    Replaced amp..better, now no sound from rear speakers. Any help?

    Fade is set to middle. The rear pillar tweeters and the sub work just fine. I can try the 9v battery tomorrow without issue.
  21. TheEnder53

    Replaced amp..better, now no sound from rear speakers. Any help?

    Hello all. I bought my tahoe with the radio not working at ALL. Because i need a radio to be able to drive without wanting to scream, i picked up a bypass harness off of Amazon in hopes it would change something. It did, I got audio from the front speakers on the passenger and drivers door...
  22. TheEnder53

    P0157 Only on hard acceleration

    Apologies for delays too, been very busy with family stuff.
  23. TheEnder53

    P0157 Only on hard acceleration

    From what I can tell, absolutely no exhaust leaks from the exhaust manifold back to the B2S2 02 sensor. Even has all its exhaust manifold bolts still. If I recall correctly, using HP tuners, short term fuel trims would jump all the way into the positive red (and i think long term would too, i...
  24. TheEnder53

    P0157 Only on hard acceleration

    Hello everyone. I’m going through repairing everything on my 01 Tahoe. Right now, on hard acceleration at wide open throttle it sets a P0157. If i don’t drive it hard everything is ok and the code will never set. 02 sensor voltage according to HP tuners for B2S2 is quite low from what i...
  25. TheEnder53

    Stuck in 4WD. Any help?

    I got a remanufactured Cardone unit. Turns out it was bad. This morning would not initialize and the selector switch was stuck with all the lights on and the truck was unable to drive (felt like it was stuck in 3rd gear.) Returned the Cardone TCCM. Got a Dorman TCCM (Pre-programmed for RPO...

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