The bed bounce would be extreme situations I believe. If the bed is too bouncy then it would indicate bad shocks. There is a video around that shows the Tundra bed bouncing on a course designed to produce the bounce. However that video was shot with a Tundra that did not have the TRD package which would have changed the outcome tremendously due to the better shocks on the TRD.
Tires are likely the issue if your getting the beat the death feeling, or jarring feeling, try adjusting tire pressure. You could also try adding some weight over the rear axles to see if that helps. There was a TSB Toyota released back in 08 I believe that did address the bed bounce issues.
2013 FX4 EB Supercrew - 402A Pkg - Max Tow Pkg - Bakflip F1 - BakBox - Michelin LTX AT2's LT285/55/R20 - 3.73 E-Locker
Sold - 2012 Tundra Crewmax Platinum 4x4
Last edited by prime81; 11-21-2012 at 11:33 AM.
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Now I find that pretty funny, I have driven the same roads and I actually switched from my 18" TRD rims and tires due to being to soft and smooshy, Limo type ride. I upgraded to 20" limited rims and Toyo proxie IIs tires for a stiffer ride and less body roll. My truck rides great, no jaring, no complaints it rides better then the 2012 Lexus gx460. I'd guess it has more to do with tire pressure then shocks. If I crank the tire pressure to max it can ride like a tank for sure.
2011 DC 5.7 TRD SR5 4x4, black interior w/bucket power seats, Pyrite Mica, 3M paint protection, Running boards, backup camera and blue tooth, bug shield, Rugged Liner w/rail kit, window visors, power rear window, Pace Edwards Full Metal Jackrabbit roll top w/utility racks, tailgate step, Yakima kayak racks and weather tech floor mats.
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i had that same feeling when i had my double cab in certain places.tried adjusting the tire pressure in the limited 20's i had on there,didn't make any difference.it didn't go away untill i put the sand bags in the bed for extra snow traction.now that i have a crewmax,i don't get that feeling anymore.like someone else said,the shorter bed doesn't have as much bed bounce.i drove through PA. one time to pick up a tool cart and it drove me nuts till i got off the highway.
Same issue here. 2009 CM TRD, 5.7L (limited). 55K miles Had it three months.
I had the TSB done and it helped on lighter sections but does nothing where the bounce is jiggling the crap out of me. Tried more and less PSI in the tires no changes.
Going to rig a headrest mounted camera to show the huge amount of bouncing. You should see the rear end hopping up and down even with a topper (210 LBS) and as much as 250 LBS of sand. I have no idea why the frame needs to flex this much. Never noticed it with the test drives as they were on brand new asphalt. Does the same thing empty without the topper.
Getting ready to try some different shocks. We will see what happens if I can get the video camera mounted and catch the real impacts.
yeah 5.7 and 4x4. Never happened on the 22 inch TRD nor the 18inch forged TRDs with the original tires and 275/70/18 BFG all terrains now. I took the front swaybar off when I put some King coilovers and it got even better. The rears are still stock. Gonna install some King shocks with Coachbuilder's shackles.
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