Replacement Bump Stop Helper Springs for 2021 Tundra TRD PRO  

Question:

Expert Reply:

If the vehicle still squats even when using weight distribution, my suspicion would be that the weight distribution system hasn't been set up correctly or the system that you're using could be under-rated for the travel trailer's tongue weight + the weight of anything that's carried in the truck bed behind the rear axle.

I'd suggest redoing the initial setup to confirm that things have been set up correctly. I'd also confirm the travel trailer's fully loaded and ready to tow tongue weight, which should include the weight of anything in the truck bed behind its rear axle. You'll want to make sure that this weight is less than the tongue weight rating of the WDH system you're using.

If this all checks out, a suspension enhancement/helper spring option that replaces the factory bump stops like the TImbren # TTORTUN4 would be an effective choice. This being said, my concern about this particular option is that the Timbren product provides up to 6000 lbs of support which is way more than you need to handle the tongue weight of your trailer. My fear is that once the rear suspension compacts to the point where Timbrens come into play, you'd have a very rough ride that wouldn't be very comfortable.

For a bump stop replacement option for your 2021 Tundra, I'd rather see you use something like the SumoSprings # SSR-610-40. This SumoSpring helper spring would replace the factory bump stop and would provide up to 1000 lbs of additional support, but the SumoSprings are constructed of material that's much more pliable than what the Timbrens are constructed of, so your ride quality won't suffer when you're towing. This option would provide the additional support you need without sacrificing the ride quality.

I've linked to a video showing a typical installation.

expert reply by: Mike L

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