Recent content by Run4st

  1. R

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

    4 plus the trans torque converter clutch pulse width mod valve. Drove it this weekend and has a crisp shift into 2nd now.
  2. R

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

    So I had a soft/mooshy shift from 1st to 2nd that turned into a hesitation in shifting from 1-2 sporadically --after driving for a while. Not reving up like a clutch was slipping --just like it was trying to catch its breath. I replaced the OEM servo with a Corvette style servo. While under...
  3. R

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

    Swapped out the transfer case encoder motor Sunday (only day with no rain)...seems be working fine. Also installed classic flow master series 40 muffler. Sounds good.
  4. R

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

    Pulled fuel rail and replaced all the fuel injectors. Everything went back together and no leaks. I have been getting an annoying generic misfire code (randomly--never gave a specific cyl) for a while. My old 04 Yukon sat at edge of old owners woods for 2 years before I purchased it. Of course...
  5. R

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

    New muffler...Needed to replace old one...Flowmaster 40 it is.
  6. R

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

    trap door makes total sense...they should have had it that way all along. Always said next time I have to do one I will just install an old gas door on it.
  7. R

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

    I replaced my saggy headliner...not bad for a first time and Youtube education...not the worst task as long as you take your time...Next is fixing the heated seat for drivers side...and the list goes on:
  8. R

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

    Ditched the stock running boards...next to replace the rusty outer rocker panels and redo the sagging headliner.
  9. R

    "service 4-wheel drive" on dash when key is turned on.

    Would be interesting to see what Code and outcome was on this.
  10. R

    "service 4-wheel drive" on dash when key is turned on.

    You probably already fixed ...Just in case...I have seen transfer case (decoder) motor kick that light on it...mine is starting to do this. I was told by reliable mechanic who has owned 5 of this gen vet that he has seen this multiple times. Doesn't look like a bad fix to do.
  11. R

    "service 4-wheel drive" on dash when key is turned on.

    You probably already fixed ...Just in case...I have seen transfer case motor kick that light on it...mine is starting to do this. I was told by reliable mechanic who has owned 5 of this gen veh that he has seen this multiple times. Doesn't look like a bad fix to do.
  12. R

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

    Seems to work good so far.
  13. R

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

    After market...yeah hit with some lube also.
  14. R

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

    Replaced the frozen/rusted spare tire hoist...did some wire wheel rust scraping and then hit it with some rattle can spray....(04 Yukon)
  15. R

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

    At 150k it was water pump day (serpentine belt, thermostat while in there)...also did the TrueCool trans cooler upgrade (knock off version)...all are working.
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