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  1. Chubbs

    Head gasket sealer

    There is available for purchase online or at the auto parts store a product for detecting the presence of exhaust in the coolant, aka "head gasket failure" or engine block/cylinder head structural failure. Inexpensive and informative. Add purified or mineral-free water to raise the "cold fill"...
  2. Chubbs

    Transmission fluid flush with filter change

    The transmission will not abruptly begin to fail if you replace the fluid. It's a myth and/or one-sided information provided by people who don't know what they are talking about, or @Shaw520 expressed, underlying symptoms/full-flush, etc. The trans fluid in that truck is going to be...
  3. Chubbs

    Transmission fluid flush with filter change

    The pan drop and filter replace is generally considered the safest method for high mileage vehicles with an unknown service history and/or delayed service, especially if the TF in question appears to be burned up, off-color, bad odor. A full flush with commercial equipment &...
  4. Chubbs

    Torsion key question

    You have done all that you can do given the original parts. The bars need to be replaced but having it repaired professionally will be a total rip off, I assume. You would save a lot of money sourcing 1 or 2 torsion bars yourself. I can't even imagine what the markup would be on the itemized...
  5. Chubbs

    Noise steering drag? Front differential? Auto 4WD

    Do you have a shop manual? Some of them contain diagnostic trees for problem solving various parts & systems From what I recall there is only a press fit bearing & seal on either end. I haven't come across a single piece of literature or thread/testimonial of a spun output bearing. It's a...
  6. Chubbs

    Noise steering drag? Front differential? Auto 4WD

    Careful, now... http://www.tahoeyukonforum.com/threads/psa-cheap-hub-assemblies.101520/#post-1217904 You effectively want to isolate the front wheels @ the hub per this project?
  7. Chubbs

    Noise steering drag? Front differential? Auto 4WD

    @KR66 Could be...
  8. Chubbs

    Slight Overheating at 230 degrees

    I wouldn't mess around with a problem like this come warmer weather. If you aren't seeing any signs of coolant loss just Go straight to a new DELCO clutch. If the truck still cannot maintain operating temp, spring for a brand new radiator. You could always run a test on the coolant for exhaust...
  9. Chubbs

    Noise steering drag? Front differential? Auto 4WD

    Before you direct 100% attention to the front differential, perform a thorough inspection on the diff' output bearings if you haven't already. The bearings & seals are inexpensive but the labor is fairly intensive for what it is. I definitely wouldn't replace the bearings & seals only without...
  10. Chubbs

    2001 GMC Yukon XL 6.0L LQ4 TAC Module

    Like @retiredsparky stated, the fault is most likely within the wires or connections. You will have to really do some digging around and I hope you have good eyesight. besides that, you need to develop some perspective on the electrical loop and how to properly diagnose it with designed tools...
  11. Chubbs

    I'm almost done with my Tahoe...

    "Much less than 14.2 at a fast idle is bad wiring, bad alternator or regulator, or a bad connection or fuse link. When running at a normal slow cruising engine RPM, the voltage across the battery terminals should stay over 14.3 volts even with full load, like lights, heater blower, and...
  12. Chubbs

    Service 4wd

    If you run some search phrases through Google you will get plenty of hits for the encoder motor. A failed encoder motor is famous for engaging a mode other than the last selected when the vehicle was keyed off. There is a YouTube vid for diagnosing the switch with a multimeter but since you...
  13. Chubbs

    how to identify transfer cases at risk for "pump rub" ?

    Installing the upgraded oil pump plate isn't a tremendous task. Nobody will disagree that removing and splitting the transfer case is a large job but it's all nuts & bolts. The replacement part isn't but $30 or something; it's really just your time and patience that is invested. I wouldn't let...
  14. Chubbs

    C0308 fixed but still "Service 4WD"

    Just from what I've experienced recently with 'service 4wd' when driving through any kind of water, the backsplash floods the connectors and disables the system. Last time, I unplugged the main TC connector and found water inside. I left it unplugged overnight to dry and the next morning when I...
  15. Chubbs

    2000 Tahoe new power steering pump now can't turn

    labor charge will be around $100 per hour @ 2-hours I would say. but the garage is going to run the bill up on a new unit and PSF. I stopped taking my vehicles to the garage when I learned that I could buy the parts for 1/2 the price I was being charged for whatever was acquired per line items...
  16. Chubbs

    2004 Tahoe All Wheel Drive not working

    @Chris Ross spend some time on Google using every search phrase that you can think of and dig up some literature on this BW 4482 failure of the exact same category. i also suggest getting your hands on a component breakdown of the 4482; GM puts out a flow chart on their various TCs that could...
  17. Chubbs

    Transmission Fluid/filter Swap

    I used the Delco-6 synthetic, myself. I always recommend it
  18. Chubbs

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

    pinche festoon
  19. Chubbs

    Transmission/ t- case question

    The front axles have a disconnect. In 2WD the front differential is technically disengaged but the older, pre-2003 TC has a certain amount of preload on the clutch pack so the front DS will turn the carrier but the front axle shafts are not engaged. @Jtaylor28752 Try some diff search phrases...
  20. Chubbs

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

    @ArcticYukon That's funny. You could have been in the posession of a perfectly reliable Tahoe this whole time. Everybody should have a nice set of security bits on deck. Now you have a reason to purchase. No big deal, they have numerous app's
  21. Chubbs

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

    You know what? I just did the wash with a mitt, wipe down using PVA towel and hand waxed with Mother's Brazilian Carnauba. It looks nice for a few days but I don't care about that. My main concern is protection from the weather, ozone and tree sap most of all. I used the clay bar on a project...
  22. Chubbs

    Torsion bar to coilover conversion

    @Ryan Buck #newbie #slowtheroll http://www.tahoeyukonforum.com/threads/coil-over-conversion-installed.59830/ Here it is, about the 10th posting down below yours.
  23. Chubbs

    Torsion bar to coilover conversion

    There is a 20-page thread on this mod right here at TYF. The install, parts & tools required, a lengthy testimonial and diary that the original poster kept updated on the regular with all of the settings & adjustments made, the resulting ride quality & handling characteristics. the conversion...
  24. Chubbs

    H2 rearend? Stronger t-case/frontend

    If you browse PT.net, you will find that the NP246 (rpo NP8 autoTrak with 4-mode selection) is perfectly capable of transferring almost any amount of power that is put through it. Guys launch 4wd, built & supercharged motors on the stocker case behind the 4L80e. Trying to upgrade from any of the...
  25. Chubbs

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

    @ArcticYukon Eventually, the app will cease to function entirely. The ambient temp may contribute to the sensor operation at the present but 1 day it's going to quit at the worst possible time. You are correct, spending time on the TB does nothing for the APP but I don't understand why you...

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