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I used my 2020 Silverado Trail Boss 5.3 with the 6 speed transmission to tow my travel trailer. The transmission temperature was usually under 200 degrees even when going up an incline. The temperature got up to 239 degrees when backing up the trailer (we had a small corner spot and it took us 15 minutes to get it situated). I noticed that the transmission temperature gets around 210-215 degrees when driving in stop and go traffic. Is hitting 215-230 degrees too high when towing? Has anyone added an external transmission cooler? Would changing out the transmission fluid to something better help with keeping the temperature low?

I’m going to weigh my trailer and get back to you. I appreciate the advice.

I appreciate the reply, how does the Bilstein 5100 in the front help with towing? I have them in the rear but was always curious about the advantages of doing the fronts as well.

I appreciate all the replies so far. The sticker on the trailer says the weight is 5630 lbs to be exact with an approximate tongue weight of 590 lbs. I have about 630 lbs of passenger and dog weight and about 250 lbs of cargo weight in the trailer. Honestly, the round bars probably could’ve used better adjustment. Now that I have the Equalizer hitch, I’ll be sure to set it right. I also installed a set of Bilstein 5100 in the rear.

I have a 2020 Silverado Trail Boss Custom that I tow my 5700 lb 32 foot travel trailer with. With the traditional round bars weight distribution hitch, I sagged about 4 inches. I just bought the Equalizer hitch because we’ll be going on a 1500 mile road trip with our travel trailer. I was curious if there are benefits to using air bags with the Equalizer hitch? Also, is it necessary to upgrade the tires to a higher load range? Thank you.

Thanks for the replies. I actually didn’t think about the Duramax option. I’ve never owned a diesel truck before. How reliable are the 3.0’s? Definitely good idea.

I appreciate the replies so far. I have no issues with sway, floating feeling or handling when towing the travel trailer. It goes really well from a handling standpoint but just adequate on power. I will be towing this trailer about 6 times a year.

Happy new year everyone. I have a 2020 Trail Boss Custom with the 5.3 6-speed. I have a 30 foot 5500 pound travel trailer that I‘ll be towing with the Trail Boss. The truck tows good (no swaying) but with a 4 passengers I feel like it’s a bit a sluggish. I’m curious to hear from other owners about your experience towing with the 5.3 vs 6.2. Is it worth the upgrade to a 6.2 Trail Boss LT with the 10 speed? I’d eventually want to go cross country with the travel trailer. Thank you. travel trailer specs 32 feet overall length 5500 dry weight 590 tongue weight

Hey everyone, I have a 2020 5.3 6 speed Trail Boss. I want to buy a local travel trailer that is 32 feet long (overall length) and 5100 lb dry weight. Will this be okay to tow for camping trips 3-4 times a year?

Hey everyone, I have a 2020 5.3 6 speed Trail Boss. I want to buy a local travel trailer that is 32 feet long (overall length) and 5100 lb dry weight. Will this be okay to tow for camping trips 3-4 times a year?

When I have my key inserted and turn it two clicks (when all the lights on the dashboard turn on and off), the check engine light stays on. When I start the car, the check engine light goes off. Is this normal? I don’t remember if this was normal lol.

Thanks for the responses. I took it on a long road trip and it’s an awesome vehicle for long drives. I bought the oil and filter and will be doing the oil change this weekend. Next up is towing our travel trailer with it.

Hey everyone, I picked up a 202 Trail Boss 5.3 6-Speed not too long ago. I doing some research on the 5.3l engine and 6 speed transmission before buying the Silverado and read good things about the reliability. I wanted to see what your experience is with your Silverado or Sierra. What issues have you had?

Thank you for the replies. It’s good to know that it isn’t an issue. How long do the 6 speed transmissions typically last?

Hey everyone, I just purchase my first Chevy (2020 Silverado Trail Boss Custom 5.3 6 speed). The truck has been amazing so far. I am having an issue with the 6 speed though. When braking hard, the truck clunks. I have no clue what this issue can be. Has anyone had this issue before? Are the 6 speeds reliable?