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  1. ks03

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

    I don’t think it’s that it necessarily doesn’t have an effect, but that the effect may be too small to measure. If you started carrying a clean change of pants in your Yukon, it would make it slower, because the vehicle is heavier, but you probably couldn’t measure the difference.
  2. ks03

    Energy Suspension Body mounts

    Because race truck Same as anywhere you put in polyurethane bushings. Reduces flex or sway, but at the cost of nvh When otherwise identically equipped, a car full of polyurethane bushings will go around a track better, but you’d be happier riding along on a road trip with oe rubber bushings
  3. ks03

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

    Played with it yet? Pointer or line?
  4. ks03

    Need help figuring out changing codes - P0455 to P0172/P0175

    Does it actually have a fuel composition sensor, or just virtual?
  5. ks03

    Need help figuring out changing codes - P0455 to P0172/P0175

    mudsport has the same thing going on it sounds like https://www.tahoeyukonforum.com/threads/operating-system-update-for-e85-compatibility-tsb.125622/
  6. ks03

    Empty the tank with fuel pump

    I’ve done it before in a shop, on a hoist, on vehicles where the fuel tank needs to tilt at an angle that made it unable to be supported by a platform jack and we couldn’t get a hose in to siphon. It’s a hazardous to do, 2 man job, because you are going to be spraying fuel hard enough to hit...
  7. ks03

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

    But if you had to trust one... rear main or steering knuckle?
  8. ks03

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

    Prices lower than dorman, what a steal
  9. ks03

    Need help pinpointing oil leak.

    If your not seeing it on the ground, it’s far more likely you’re burning that missing oil
  10. ks03

    Can I change my thermostat without draining my coolant?

    It will try to make a mess, just work fast. Clamping the lower hose will help a lot. Remove then reinstall the surge tank cap, to relieve any pressure, but then creates a vacuum when the coolant tries to drain out. Work the lower hose loose, but push it back on just enough to not leak. Hold the...
  11. ks03

    Help IDing

    Here’s a picture from a different angle I stole The wires from your camshaft sensor look bare, but maybe it’s just a sheen from oil I’m seeing Any dtcs?
  12. ks03

    High IAT (Intake air temp)

    What cold air kit are you running, or have pics? Many “cold” air intakes draw warmer air than the factory setup
  13. ks03

    AC not blowing cold at idle

    Yep, seemed like by the time I came to a stop at a red light the ac was hardly doing anything. Holding the revs just above idle helped, but a PITA. I didn’t want to travel with dogs in the summer before, leaving the ac on while parked and going inside for 10minutes didn’t seem acceptable...
  14. ks03

    AC not blowing cold at idle

    I’ve done it, made all the difference sitting at idle
  15. ks03

    Awd not engaging

    If I tried to go on nothing but ice under all 4 wheels mine would cut power too. I thought it was normal operation to cut power when it thought they were all spinning (unless traction control/ stability button was pressed at least). Awd isn’t full time 4wd. Something I’m missing?
  16. ks03

    2005 Tahoe coolant flush impossible

    Even if you have a functioning petcock of the radiator, I don’t think it’s worth touching when you’re doing a water pump. If you were to try to use it, the thermostat virtually stops coolant from draining from the engine to the radiator and you would find plenty more coolant after the radiator...
  17. ks03

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

    https://www.tahoeyukonforum.com/threads/goodridge-ss-brake-line-problems.20859/ Sounds like your long time mechanic isn’t so bad, he’s willing to try to put on whatever aftermarket parts you bring him. You probably wouldn’t of liked it better if he said no up front, and if the part is at fault...
  18. ks03

    Know these parts/assemblies worth?

    Only thing I can comment on is the fans. I got a junkyard 06silverado fan for $60, so I’d expect to pay less on CL, not double But that $30 used OE fan harness is likely superior to the new ls1fans harness I paid 100 for
  19. ks03

    Intermittent Rear end noise 2003 Z71

    With recently doing brakes, my first thought is rear backing plates. They get rusty and bend easy. Sometimes the part of the backing plate that protrudes between the disc and parking brake drum expands from rust, and then the new rotor has a bit larger drum thickness, or the rotor has a bit...
  20. ks03

    Rear wiper not seated right

    Well, dorman doesn’t look like such a deal from looking at amazon reviews
  21. ks03

    Rear wiper not seated right

    searched that dorman number and found it on amazon for 33.04 shipped
  22. ks03

    Engine flush

    I’ve always been skeerd of engine flushes. I prefer the idea of reduced interval oil changes, which should eventually get you to the same point.
  23. ks03

    Rear wiper not seated right

    Sounds like the elbow joint / joint that’s spring loaded, is sticking. Put a dab of penetrating oil on it and exercise the joint until it goes back to where it’s supposed to. Or just replacing the arm gets you a new joint, I’ve been thinking about pricing an arm myself, cause the paints half...
  24. ks03

    Looking for the benefits

    Lower initial price Skeerd of afm for good reason One of the shorter overall lengths for a full-size truck suv. My back is happier in a full size. Last place I lived the fact that it’s 3” shorter than a nnbs made a big difference fitting it in my garage with other stuff, decent 2door OBS were...
  25. ks03

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

    screenshot of a Richard holdener video, I don’t remember the engine/ setup, but cam is the only difference between runs. Guessing this is on a 5.3

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