Shimmy shimmy shake - brakes.

My 2019 Platinum with 29,500 miles has developed a shake in the wheel when I apply the brakes in the last several weeks. Of course I know that means rotor related so at my visit to the dealer for 30k service I asked to have it checked. Service tech tells me the rotors are warped and they would turn the rotors and replace the pads, all at my cost. They also tell me this is fairly common yet Toyota does not reimburse for any of the costs. That is pretty disappointing for a vehicle that is 3 years old and low milage.

Since I can't take it out on the dealer I am going to bitch a little to Toyota, though I know it's going nowhere. In the meantime I will run them a while longer until I find satisfactory replacement parts.

 

Sometimes the rotors can develop hot/high spots too. Try re-bedding the brakes. It may not fully resolve the shimmy but improve it significantly. I experienced the same thing you did at around 30K to 35K. I did a re-bed and it's much better now.

 

If you decide to replace them...StopTech Sport that are cryo treated and slotted only. Do not do slotted and drilled....they can cause pulsation.

 

Mine got the shakes around 10k. Brakes are a wear item. No warranty claim for brakes with 30k on them.

 

I had same problem also, I did the road force balance first, that didn't work then I change the rotor and pads, and that solve the issue. I think mine was around in the 35k when it started.

 

Had same issue around 30 or 35k (2018). Finally got tired of it and had front rotors resurfaced. The guy at O'reilly's said they were some of the most warped rotors he's ever seen and he had to take a lot of material off, but said I could probably get one more turn out of them. No more shimmy. I researched drilled/slotted, seems drilled are prone to cracking and the consensus was to do slotted only, but then read slotted can chew through pads faster, so I kept it OEM. I'm happy with my resurfaced OEMs. I say resurface and keep on trucking, but definitely "bed" them once you install them and might as well throw fresh pads on there while you're at it. Bedding them should greatly decrease the chance of them re-warping.

I understand drilled/slotted helps with heat dissipation thus improving "stopping power," but personally, I'm unsure I would reap the benefit of drilled/slotted or slotted only, unless I was frequently towing heavy.

 

I thought drilled rotors were to help keep them cool, but then read an article that said the holes were for the gases. Which I guess helps with heat in a way, but it also talked about how hot pads won’t touch the surface of the rotor due to a thin gas layer and the holes help get rid of that layer of gas. I think the article was on ebc’s website.

I had drilled and slotted powerstop, and they were awful. I have slotted cryo stoptech and they have been pretty good.

Not my rotors, but an example of them cracking.

 

Another one here, had original rotors turned around 30,000 miles....later went with slotted rotors front and rear...so far great..and I'm not easy on my brakes..

 

Thanks for the input, going to re bed my brakes today and see what happens.

 

I currently have around 26k. I have no issues with my rotors but my pads were more than half gone. I decided to go down the brake world rabbit hole. Oh boy, that was a mistake. First was that I couldn’t believe that NO rotor is made in the US anymore, all China made. The whole cryo stuff, well that’s another deep hole. Only leading cryo manuf is Frozen and another one but can’t remember the name. Cryo also warps, so it’s a crap shoot. Drilled is a waste of time, period. Slotted is good but our trucks don’t benefit from it. Saw videos of test done on daily drivers and didn’t make a difference. Bedding in your pads makes a big difference. And pads are also a big deal. Those 2 in my opinion is what makes or brakes a good braking system.

 

DBA rotors are made in Australia. Advics rotors are made in the US. EBC rotors are made in the UK. All have rotor options for the Tundra.

This is also some good reading about rotors.
https://centricparts.com/getmedia/b..._Whitepaper_B1-Warped-Brake-Disc-8-2018_1.pdf
https://alconkits.com/support/brake-pad-info/110-the-real-truth-about-warped-brake-rotors

There are several other good reads here about pad bedding as well:
https://centricparts.com/resources/resource-library?category=Whitepapers

 

I swear a searched high and low for US made rotors and not one came up. I couldn't find anything on Advics other than its OEM for Toyota and many other manuf.

 

https://www.rockauto.com/en/moreinfo.php?pk=5574099&cc=3441458&pt=1896&jsn=952

 

Weird that they wouldn't mention it on their website. I mean that's something to be proud of. All this China crap isn't worth a damn.

 

Welllll they could be mfg in the US but still be Chinese steel

 

They are likely not warped but have uneven pad material from overheating. Resurface and get Akebono pads.