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  • Location
    Eagle River, Alaska
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  • Drives
    2012 Sierra SLT 2500HD 6.0
  1. I'd recommend going to a 2011 or newer for the upgraded chassis over the 07-10 models. Everything under the body was upgraded with heavier suspension and 6.0 engine/transmission updates. Fuel mileage of the 6.0 2500 is not what your 5.3 1500 gets, but it tows and hauls sooooooo much better.
  2. That's true, however the tire manufacturers have lowered the 17" tire ratings, doesn't matter what the truck came with back in the day. Most loads in pickup are on the rear axle, my 3,100lb camper hardly adds anything on the front axle.
  3. If you carry heavy loads abandon the 17's, the tires have all been de-rated to around 3,200 lbs max, 18" & 20" were the other available factory wheel size and have a much larger payload available. Bolt pattern was changed to 8x180mm in 2011 for HD trucks.
  4. If the shocks have urethane bushings they will squeak like crazy sometimes, get lube made for urethane to fix it.
  5. From my experience with leveling kit, I'd never do it again. The front rides rough and you loose suspension travel. A 4" lift kit set at the lowest setting with keep your axle/CV joint angles normal and give a much smoother ride.
  6. You need to list your truck year and model, the fenders are different between a Chevrolet and GMC so the decals are in a different location. I never noticed the difference until my truck arrived at the dealer, it was a custom order so I was there when the truck arrived and the dealer installed some of the factory options that were just in the cab of the truck, the decals were one of those items. My truck has the chrome Z-71 decals which are different that the stock Z-71 4X4 decals.
  7. My studs are what hit, just to let you know how tight the fit is. I know every brand of tire varies a little in height and width, but they should just clear.
  8. My winter tires are Goodyear Ultra Grip Ice WRT 275/70R18 with studs. At full lock to the left I have a very slight rub in the inner fenderwell. https://www.goodyear.com/en-US/tires/ultra-grip-ice-wrt-lt/sizes-specs?cta=TireDetailsViewSizesSpecs
  9. Sounds like you need more tongue weight and/or weight distribution hitch with load bars. Did your old Suburban have leaf springs and this one coils?
  10. Sounds like a failing fuel pump. Mine would run and then fall on its face if I tried to accelerate.
  11. Those don't even look like LT rated tires, I tried to zoom in and confirm if they are common 1500 series P rated tires. There is no way I'd put them on a 2500HD.
  12. This is the 2500/3500HD Forum mostly diesel and 6.0 gas folks here. Instead of changing out the radiator, I'd replace the fan with dual electronic fans that you can set the running temps.
  13. The ONLY repair I've had done to my 2012 2500 6.0 is a leaking front axle gasket where two sections of tube are bolted together. Excellent truck so far! Mine is used mostly for hauling a 3,000 lb truck camper and towing ATV's.
  14. It should be the center pin for reverse lights

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