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  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.
  16. R

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

    replaced driver side mirror with one from Buddy Bazos for $20...other had turned yellow.
  17. R

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Fuel lines were flexible braided type and brake lines were preformed type...Found local shop to do those two items for at a good labor price.
  18. R

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Finally got around to doing some needed items. Had to replace fuel lines from filter to tank. Since had to drop tank also replaced fuel pump (kept old one as backup). If this fuel pump goes then I will be cutting the floor and making a little door. While tank was off replaced rusted brake lines...
  19. R

    Parts Recommendation

    Hello all. Got a 2004 Yukon Flex fuel 5.3. In the not so distant future I will need to change fuel lines from filter to tank. The filter needs changed but I know the line will not survive it. For this I will need to drop tank. While there might as well replace brake lines. (already done the...
  20. R

    2001 GMC Yukon XL (Aka Beast)

    You mentioned from previous post you got some type vibration and growling from pedal. I got an 04 Yukon doing something similar. Had a hell of a time getting a decent brake pedal. Replaced lined and all 4 rotors and calipers (plus rubber lines that connect caliper to hard line). Fluid flushed...
  21. R

    Dragging brakes 2004 Yukon - SOLVED

    from what I was told it does activate the ABS module....My brakes just didn't want to bleed properly. I took to a local small shop that had Tech2 and he said even he had a hard time getting a brake pedal he liked...but they are good to go now.
  22. R

    What’s your cars name?

    04 Tahoe..."Big Karen"...She is big...entitled to every gas station it passes and I am white (nope it is that metallic burch color)
  23. R

    Dragging brakes 2004 Yukon - SOLVED

    Update: Replaced the rubber lines on front (connects caliper to hardline). Got brakes bleed using tech tool...night and day difference. Had heck of a time getting air out. Think it might have gotten in ABS manifold...Thanks for the suggestions.
  24. R

    Dragging brakes 2004 Yukon - SOLVED

    It is a hydro...Whenever I get time I will do the front rubber lines and then find someone to do a Tech2 bleed
  25. R

    Dragging brakes 2004 Yukon - SOLVED

    Rears have seem to cleared up (so far).

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