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Truck: Stock 2018 Silverado Crew Cab 5.3L Z71 1) Snow on public roads: What are the best vehicle settings for fresh 1-4" snow on town roads and highways or 1" of ice on side roads? I've always used 4x4 High and have ~380lbs of sandbags over the rear tires and axle in the bed. I've read some people suggest 4x4 Auto? Under what conditions should I consider disabling stabilitrak and/or traction control? What settings will put me in the best scenario to keep control of the truck? 2) Off roading on semi-maintained roads: This year for hunting season I will be driving up to 15 miles on poorly maintained forest roads that are likely rutted up in some areas and washed out and uneven. I have a lot of experience on dry desert type roads but not so much on mud and snow off road. I will be driving conservatively and have all the recovery gear and comms, but wanted to get some advice on a few specific areas. My goal is just to get to the location I am planning to reach safely and back home. My perfect example/fear is driving 15mi down a terrible muddy road with ice patches and then returning to my truck in a few days with 1-2 feet of snow on the ground and trying to get home: How much will I benefit from disconnecting my sway bars? My tires are Michelin Defender at 35psi, can I air down to 15psi? Stay in 4x4 High? When should I consider turning off stabilitrak and/or traction control? What settings will put me in the best scenario to not get stuck?

@CamGTPThis issue on my old truck happened 2 years ago and I am not too car savy but from what I can remember the 6th cylinder crashed into the lower engine or crashed through to the floor of the engine? He said it would require an engine replacement. Thanks to everyone who chimed in, its much appreciated

I had a 2007 Silverado that ran perfect until 240k miles where the mechanic told me the 6th cylinder crashed/broke and it was likely due Chevy AFM. Since then I replaced my truck with a new 2018 Silverado and I made sure to install the AFM delete via OBD port the first week. I know there were early issues with AFM, burning oil, etc that are not present on recent models. All I want to know is (1) Is it likely that AFM was the reason my 2007 Chevy blew the 6th cylinder? (2) Should I keep the AFM delete installed on my new 2018 Chevy for the only purpose of mitigating the risk of blowing another cylinder in the future? (3) Beyond regular maintenance using good oil/filters, what can I do to keep my 2018 engine running as healthy as possible to prevent another cylinder crash or other catastrophic engine issues?

good post grumpy, thanks for posting that. im just piling on since ive noticed the shift and have a new truck as a 2x silverado owner! ty!

Thank you, I have the contract. Any idea where it might be? Is it itemized in the printout or would it be on the back of the long yellow sheet?

Wow I'm 25k miles behind you, hope mine doesnt have that issue. Did the dealer give a reason why the transmission failed?

I am at about 1,200 miles on a new 18 Silverado 5.3 and have subtly noticed this as well. Not through all the gears but a subtle jerk as I'm slowing down. Not too bad I figured its helping the brakes slow down a bit but glad you brought this up

I recently did a GM finance a few weeks ago for a 2018 Silverado, do I have to also wait 3 payments/months to refinance? Also can anyone recommend a credit union or advice on switching from my GM Financing (~7.5%) to another lender? My last Chevy in 2007 was financed though GM and like a dummy I never refinanced it to a lower rate. Please advise!