I've got this same setup on a 2500 custom with no issues with a 37' 12,000lb 5th wheel. I'd be curious about your pin weight, trailer weight, and what the sticker on the door jamb says for load capacity. The High Countries typically have a lower capacity than the customs which could play a factor. How many times have you towed with this setup? It's been a while but our first trip the 5th wheel was empty and I remember it chucking a bunch. Calmed down once we filled it up. Does this only happen in construction zones or otherwise poor quality roads?
2020-2500 replied to Eric Griem's topic in 6.6L Duramax Diesel & Allison Powertrain (L5P/MGM)Puck system cannot be installed after-the-fact. Next best thing is the underbed gooseneck hitch, which Chevy will install for a standard labor rate: https://accessories.chevrolet.com/product/325k-gooseneck-hitch-with-under-bed-brackets-and-hardware-by-curt™-group-associated-accessories-19419344?model=Silverado 2500 HD&modelId=494&bodyId=22&body=Crew Cab Pickup&wheelId=349&wheel=Standard Box&trimId=125&trim=Custom&driveId=7&drive=RWD&engineId=17733&engine=6.6L V8 GAS&bodyNumDoors=5&year=2020&make=Chevrolet&categoryId=185505
These aren't going to stop you from flinging rocks onto other vehicles on the road. I wish cops would enforce fender flare laws to prevent this. You should put proper flares to help other people, otherwise you're totally selfish IMO.
I got my rear wheel wells sprayed with line-x. It was surprisingly cheap - only $200. I like this better than the liners because I don't have to worry about water getting stuck behind the liner and causing excessive rust.
You cannot add the puck system post-factory, unfortunately. I decided to go with the curt under-bed gooseneck ball, paired with the andersen ultimate hitch for my fifthwheel. If I did it again I might consider the reese goosebox. You can have this installed by chevy dealers for fairly cheaper than just about any other option because it's got a standard labor book time: https://accessories.chevrolet.com/product/325k-gooseneck-hitch-with-under-bed-brackets-and-hardware-by-curt™-group-associated-accessories-19419344?year=2020&make=Chevrolet&model=Silverado 2500 HD&modelId=494&body=Extended Cab Pickup&bodyId=18&wheel=Standard Box&wheelId=400&trim=Custom&trimId=125&drive=RWD&driveId=7&engine=6.6L V8 GAS&engineId=17733&bodyNumDoors=5&categoryId=185505
I have the curt ball and can confirm it works with the Andersen Ultimate hitch. However, I purchased the Andersen Bed Shaft and use that instead. https://andersenhitches.com/collections/ultimate-5th-wheel/products/andersen-bed-shaft
Why would you want to add a gas cap? They're relics of the past now. If you're worries about gas spilling note that there are two internal caps on hinges. The one you see, and another two inches or so past that one.
This is exactly what I have as well.
2020-2500 replied to Mardo's topic in 6.6L Duramax Diesel & Allison Powertrain (L5P/MGM)Second this! I find the Anderson hitch much easier to use than traditional. My truck didn't come with the puck system, so I had Chevy install the gooseneck hitch and bought the gooseneck version of the Anderson hitch. This avoided installing rails in the bed to keep it clean when I have the hitch out. It also moves the hitch point back just a bit which helps with turning in the standard bed. Here's a link to the curt hitch. Since it's sold by Chevy accessories they have a standard labor rate of $200 for install. https://accessories.chevrolet.com/product/trailering/325k-gooseneck-hitch-with-under-bed-brackets-and-hardware-by-curt™-group-associated-accessories-19419344?year=2020&make=Chevrolet&model=Silverado 2500 HD&modelId=494&body=Crew Cab Pickup&bodyId=22&wheel=Standard Box&wheelId=349&trim=Custom&trimId=125&drive=RWD&driveId=7&engine=6.6L V8 GAS&engineId=17733&bodyNumDoors=5&categoryId=12007
2020-2500 replied to NCCaptainMorgan's topic in 6.6L Gas V8 & HD Transmission Powertrain (L8T/MYD)How well does it tow something like a camper in the mountains? - You wont know a 7500lb camper is even there. Do the Rancho shocks make a difference in towing? For example does it squat lower with a load? You won't squat significantly with this camper. Is there a need for the Heavy Duty Front Spring / Camper package and can it be added on later? It is not that much ($45), but I am having trouble finding one with it installed. - I have the camper package and tow a fifth wheel. I wouldn't get it again as it rides rougher when not towing. How well does it ride for an everyday driver? - Like an empty dump truck. It's happier when towing. Is it taller than the other Sierra 2500s? I read that it has a 2" lift. - No idea. Would it be better to spend the extra $1k and get the 3500? I have heard that the ride is very similar. - If you need the extra payload capacity. What kind of fuel economy are you getting? - gas engine. 8mpg towing, 14mpg everywhere else. In your opinion are all of the extra features worth it? Of course I want it to have everything, and having blank buttons drives me crazy, but am I going to spend a butt load and it not be worth it when I could just get a SLT with just a few features, or get an AT4 without any extra packages? - Not in my opinion. I have the Custom and am perfectly happy. If you got the AT4 do you wish you would have got a Denali or saved money and got a SLT? N/A What is your favorite feature of the truck. - It tows my fifth wheel. Does the SLT come with the multipro tailgate? All of them that I have found online do not have it, but the brochure says that it is standard on the SLT, AT4, and Denali - No idea. Sounds to me like you're going to spend a lot more money than you need to. A 1500 would be a smoother ride and tow a 7500lb travel trailer a few times/year just fine. If you want the truck go for it, but don't convince yourself you NEED it to tow this specific camper.
Had the first "major" issue with my 2020 this week. The battery died on my 2500 gasser. Has anyone else had this issue? Didn't show any signs until one day the truck wouldn't start. Jump box didn't work. Turned over once or twice, but that's all. Overnight on the trickle charger did nothing. Jumping from my neighbors 3500. Turned over once or twice again, but not quite. Other neighbors bigger jump box didn't work. Put in a new battery and it fired right up. The old battery was sloshing around a bit when I pulled it out. I've only seen that on flooded RV batteries, which this is not. Hope I'm not buying another battery in 19k more miles. Also, the battery cover was a pain to take off. So much room in the engine bay and they couldn't make the battery change 20% easier? Stupid engineers.
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