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  1. swathdiver

    14b 9.5" into K2XX

    GM made the 14-bolt semi-floaters with 6 lug axles in the GMT900s.
  2. swathdiver

    14b 9.5" into K2XX

    Right, you have a Salisbury 12-bolt which is supposedly stronger than the older 14-bolt. I do not know if they will drop right in. If I had your truck, I would drop in the Salisbury 12-bolt 9.76" gear, the one used behind the 6.2s. I think you already have 1415 u-joints too.
  3. swathdiver

    Axle ratio to tire size input needed

    So what do you want to see, rpms at speed with a given tire and gear ratio? The 2500 Suburbans and Yukon XLs have 3.73s gears with the 6L90, for the purpose of this discussion it's the same thing, gearing is the same in the two transmissions. The NHT equipped GMT900 pickups with 6-speeds have...
  4. swathdiver

    What to buy for reliability

    In this generation of vehicle, when GM redesigned the cooling system for the transmission they installed a thermostat on the side of the transmission to keep the temps up. Well, this limits their life to about 100K miles. All that heat causes the torque converter clutch lining material to fail...
  5. swathdiver

    Squeaking noise driving me crazy

    Don't hear anything either. Hook up your phone or a go-pro under the truck and take a quick drive to capture the sound closer to the source without the wind noise.
  6. swathdiver

    Now at FIVE AC system failures in four weeks...

    On the Yukon 900s we have to pull the bumper cover to get at the condenser. It only adds a few hours labor to the job when doing it at a shop.
  7. swathdiver

    Are all the gasoline engine issues just on the 6.2?

    More horsepower and torque from the same design and architecture. The 5.3s last longer because they put out less power. Take a marine diesel engine for an example. At 1800 rpm for a 100% duty cycle it may last 12,000 hours but at 2400 rpms for a 100% duty cycle it might last 8000 hours. I'm...
  8. swathdiver

    2022 Yukon SLE 4X4 Tire Selection

    You can go to LT265/70/18 and gain an inch in height. Go to a LT275-70-18 and you'll gain a little width and be just over 33 inches tall. Should work without rubbing with stock wheels as we've seen T1 wagons with factory 275-60-20s.
  9. swathdiver

    No indicator and limp mode

    Hey Michael, did I tell you that I almost scored a Canadian module? Seller used the wrong part number so they refunded me.
  10. swathdiver

    Exhaust fumes and sound coming from intake

    The 2008s injectors are smaller compared to your 2010 regardless if it's a FlexFuel engine or not. The 2008 has higher compression as it uses flat top pistons and a single pattern camshaft. If this was my rig, I'd swap the 2010s injectors overs, well, the whole intake and throttle body too...
  11. swathdiver

    Amp gauge

    This is usually a sign that your battery is failing to maintain a charge and the alternator and computer are doing everything they can to keep you from getting stranded. How old is your battery? Has the truck been sitting and or making lots of short runs lately?
  12. swathdiver

    New to me

    Great looking 'burb and love the fishing rig. Love that green color! We used to surf fish a lot when the kids were little and my health allowed it. My wife enjoys driving on the beach so once a year or so we spend a few days in Daytona Beach so she can get her fill of it. I like it too but...
  13. swathdiver

    wondering about tire noise

    First of all, more tire wear in the center of the tread is indicative of low air pressure and or a mismatch between tire and wheel sizing. I have run 2 sets of KO2s in two different sizes on my trucks but not your size. They did get noisier as they aged and were so loud towards the end of...
  14. swathdiver

    No indicator and limp mode

    I have an '09 and those codes don't appear in the shop manual for it. The U0100 does show up in the shop manual for my 2013. It says that the first code is probably the offending module that can no longer communicate on the network. When I pull up that list, U0013 is not on it. When we...
  15. swathdiver

    New to me

    Welcome Barry from Florida! Did you modify any of the trucks in any way? Ever take them off-roading and such? How are the older ones holding up after 20 years and 300K miles?
  16. swathdiver

    First problem after one year on 2018 Yukon XL Denali

    Yep, inspect the plugs and wires and wiring to the coil and look for injector leaks on #2. After that, time to look inside and see if the lifter is partially collapsed or if a valve spring broke.
  17. swathdiver

    Now at FIVE AC system failures in four weeks...

    I'm weary, GM parts usually don't fail like that. My daughter had her girlfriend's mechanic boyfriend replace her cooling fan once. Upon installing the 3rd fan motor I was asked to come outside and have a look. The kid was shorting out each new fan by wiring them up wrong and of course...
  18. swathdiver

    Oil Consumption

    I looked at 1, 2 and 5. I think you have a blown head gasket on 5, it's washing the piston clean. I'm not well versed enough with LS engines to tell if those cracks are in the material or carbon build up or casting slag. There's a leakdown procedure that can tell you where the compression...
  19. swathdiver

    Useless Information

    Had business over in St. Petersburg and spent a few days over there. Took the southern route on the way back to minimize time in the big storm front that passed through and that worked. Truck is covered in sand, it's still piled up on the grill louvers, the opening to the tow hooks and of...
  20. swathdiver

    Loving my E85 right now

    Don't need the additives. Hard start in cold weather is normal with E85. It's not due to a problem with the fuel or your car, just the nature of the beast (E85). Mine will do it on the first remote start when it is in the 50s or colder but not the second. If yours performs worse, you might...
  21. swathdiver

    Now at FIVE AC system failures in four weeks...

    So what brand of parts are they using? Does not seem like GM OE parts or even ACDelco Professional/Gold.
  22. swathdiver

    Looking for 1” level kit recommendations

    Take a look at RealTruck.com and see if they have something.
  23. swathdiver

    Useless Information

    Between Vero Beach and Tampa here in Florida is a road called State Road 60 that joins the two towns together, about 3 hours apart. We find ourselves on this route regularly to pick up and deliver our grandson. Well, we met his mother on SR60 last night and a few hours later along the same...
  24. swathdiver

    Oil catch cans freaking work

    How much of that 3,400 miles was above 3500 rpms giddy ups? When my wife drive my truck, it uses oil. When I drive it, no oil of consequence is used up. I get 3 mpg or better than she does generally.
  25. swathdiver

    Do I have a stuck caliper?

    A quick search shows 18H4204/193647738 for a rear disc brake caliper seal kit. The front piston seal kit has a different part number, for 2 pistons instead of one 179-2262/23276875 or 84828462 but the pistons themselves are the same as the one I posted above. If yours were mine, I'd be...

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