Recommended Suspension Helper Springs for 2021 Chevy Tahoe Towing Large Aluminum Boat

Question

Question:

I have a 2021 Tahoe Z71 and towing a 21’ aluminum boat. The rear ended sag a bit when the boat is hitched. I’ll tow roughly a dozen times a year. What options do you have to keep the vehicle level? Thank you in advance.

asked by: Louie D

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Expert Reply:

Since you're towing a consistent load, I'd recommend a jounce bumper replacement-type system versus an air helper spring. Such a system won't affect your ride quality unless the rear suspension of your Tahoe is compressed from hauling cargo or the tongue weight of a trailer.

I'd recommend the Sumo Springs # SSR-204-40 which will provide up to 1000 lbs of additional support. The way a jounce bumper spring replacement works is that they won't have any influence on the ride of the vehicle until the rear suspension compresses from the gear being hauled in the cargo area of from the tongue weight of the boat trailer. Even when the suspension compresses to the point where the SumoSprings come into contact with the axle, they'll still provide a more comfortable ride than other jounce bumper replacements available like the Timbren # TGMRYS4..

expert reply by: Mike L

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Answer 1

To determine what size lift spacer to use on your vehicle with Firestone Ride-Rite Air Springs, measure the distance between the upper and lower brackets of your air helper spring kit, and whether the kit mounts on the leaf spring or the axle. The…

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Answer 2

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the…

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Answer 3

While the spacers included in the Kit #T68MR will work with your Timbren Springs #TGMRYS4 they do not use the same mounting bolts. Your GMC Yukon uses 3/8" hardware while the spacer kit includes M10 hardware so you would still need to source…

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Answer 4

I spoke with my contact at Super Springs and the SumoSprings Custom Helper Springs, #SSR-204-40, will fit on your 2003 GMC Yukon XL with coil springs as long as it is a 1500 model. These springs are designed to replace your factory bump stops. Once…

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Answer 5

Yes, the Timbren Rear Suspension Enhancement System #TGMRCK35S can still be used on your 2007 Chevy Silverado even though its been lifted. You'll just need to install a spacer to get the gap between the Timbren and the axle around 1"…

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Answer 6

I spoke with my contact over at Timbren about helper springs #TGMRYS4. The overall height of the whole assembly is 4-3/4 inches. The spring by itself is 3-3/4 inches. You'll want an inch to an inch and a half of space between the frame/axle…

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Answer 7

For your 2018 Cadillac Escalade the Timbren Rear Suspension Enhancement System #TGMRYS4 will work great. These jounce-style springs are confirmed to fit your vehicle and will simply replace the factory bump stop on the frame to provide additional…

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Answer 8

In terms of capacity, the Timbren Rear Suspension Enhancement System, #TGMRG25C, for a 2003 Chevy Avalanche 1500 has quite a bit more; a total capacity of 6,000 pounds. Compare that to the maximum 1,000 pound capacity of the Firestone Vehicle…

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Answer 9

It is not recommended to use any type of suspension enhancement when using a weight distribution system. The two systems will work against each other and would provide an unsafe, unpredictable ride quality. Your best option would be to make sure the…

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Answer 10

To add lock cylinders to the ratcheting arms on your Thule T2 Classic 2 Bike Rack #TH9045 or other models of the T2 Classic to secure the bikes to the carrier you will just need part #TH450200, which comes with both cylinders and two keys. Since the…

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Answer 11

The Dexter Nev-R-Adjust electric trailer brakes can be manually adjusted. There are a couple teeth of the adjustment wheel that are exposed just under the lever that you referenced. I have attached a photo showing the teeth. You will likely need a…

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Answer 12

You do not have to change the connector or add the PWM filter that splices in; all you have to do is add an adapter that plugs into the 7-way of your 2023 Chevy Silverado to get the correct amount of power to your Furrion Vision S camera system. What…

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Recommended Suspension Helper Springs for 2021 Chevy Tahoe Towing Large Aluminum Boat

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