Anyone Solve the Wheel bounce Issue permanently? If yes, please tell

[kenwilliams0803]

I can still feel what feels like an out of round tire in the rear after the dealer moved them around and took the one with the most weight to the rear after the last rebalance. Steering wheel shake is gone though finally. I get a thump thump thump in my seat and floor at like 45-60 but I will take it over the wicked steering shimmy I had. Most of my time is spent from 68-72 mph and I feel nothing there, finally. May never rotate these tires due to that but after 4 balances to get here, I don't want to go step in another bees nest anyway. I think in my case it's a Falken problem, not a 4 runner problem.

After 98k the shocks may not be helping. But it wasn't an issue at all with my snow tires that came off a month and a half ago, or the stock duelers that I ran in the summer either.

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[rsimi72]

I've read a lot of these posts as well and sure there are variables galore but for me it was the tire pressures that caused it all of a sudden. I've only got 10k (kilometres) on it but the Duellers have been smooth since day 1 until recently I figured I might try putting another 5 psi in each tire (partially to improve the dismal fuel economy)

First run on the highway the shimmy / shake was going on exactly as described here, not bad mind you but surely enough to feel it in the wheel. Went back down 5 psi and issue gone. Strange, 5 psi shouldn't do that I would think, didn't feel anything from the back end only the front.

What PSI did you settle on?

 

[17KT4R]

What PSI did you settle on?

Went back to 35, I can't confirm that was what was in them stock / new as I took a big nail in a sidewall of my right front and they had to replace the tire at 3500K, pretty sure the dealer said they checked everything at all corners and set to 35 so left it at that until I bought myself a fancy new tire gauge recently that can hold the pressure in it. So like I said, I tried another 5psi (also because I was loading up for a quick camping trip too) to improve mileage. With the extra weight and people I didn't notice anything. It was when I came back, unloaded, and on my next drive to work (hot day) the shimmy was quite apparent in the front end. After airing back to 35 (cold) it is smooth again and obviously softer over the road irregularities too which is preferable.

Every tire is different but this is my experience with these stock Duellers.

 

[PCRIDE4RUNNERORG]

I have a brand new 18 TRD OF and I get that tire bounce. I was wondering what it was. Seems more prone on asphalt roads, goes away on concrete roads. It does appear at about 65 mph. It feels like the tires are out of balance. It could be the lower speed causing it. On ultra smooth concrete freeway it drives perfectly. Its like mini washboard.

 

[PCRIDE4RUNNERORG]

Pretty sure its the stock shocks

 

[CF_Machete]

Pretty sure its the stock shocks

yeah, any time you are "bouncing" its because your riding on coils a the shocks are not dampening the spring rate correctly.

conversely, if your ride is to stiff it can either be over dampening of the shocks or springs that are too stiff.