Propofoln
Member
Well you know the Model 3 is very unlikely to vibrate. Get that while you wait on the Taycan
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2021 Model S Plaid Steering Yoke shaking at highway speeds
- Thread starter CWJameson
- Start date
Well you know the Model 3 is very unlikely to vibrate. Get that while you wait on the Taycan
Did you try changing the drive bias to rear wheel only? Does it get better or stay the same?
It didn't occur to me to mention this because it was on another car of mine, from a symptom standpoint, identical issue with my Lexus SC430.
After checking everything including wheel balance, roundness, trueness, and rotor runout....which were all perfect and not the cause....it turned out it was the front brake pads. Even though there was over 50% left at 65K miles, they were causing the steering wheel to wobble slightly at freeway speeds. I'd read that brake pads could cause this. As soon as I replaced them with brand new factory pads, the problem vanished and hasn't returned.
After checking everything including wheel balance, roundness, trueness, and rotor runout....which were all perfect and not the cause....it turned out it was the front brake pads. Even though there was over 50% left at 65K miles, they were causing the steering wheel to wobble slightly at freeway speeds. I'd read that brake pads could cause this. As soon as I replaced them with brand new factory pads, the problem vanished and hasn't returned.
No, I haven't but I think someone else on this forum had tried this with no luck.
Very interesting. What I don't understand though is why it happens only at 85+ mph though (at least for me).
I've got the car back from Tesla and I absolutely hate it with the yoke vibration. I agree with @Propofoln to get the M3 (and skip another Plaid S) while you wait on the Taycan.
"Yes, same as before. The vibration completely disappears at 100% rear bias. Linear decrease as you move the slider rearward."
Plaid Vibration around 38-42MPH....
Are you saying the fix made it worse?? Yes, for my configuration with links. I had most all of it gone with my links, then came the update and I notice it much more. Different frequency and slightly higher speed range. It’s annoying af!
teslamotorsclub.com
So I think that is a different vibration than the 80+ mph one that I (and several others) are experiencing. I feel like the one you are referencing has to do with the motors where as mine is something steering rack / suspension related that no one can figure out."Yes, same as before. The vibration completely disappears at 100% rear bias. Linear decrease as you move the slider rearward."
Plaid Vibration around 38-42MPH....
Are you saying the fix made it worse?? Yes, for my configuration with links. I had most all of it gone with my links, then came the update and I notice it much more. Different frequency and slightly higher speed range. It’s annoying af!
That thread extensively talks about the higher speed vibration despite the title. Maybe you could give it a try?
WilliamG
Hinge Fanatic
Please be very, very careful with the car set to full rear bias, though. Do not disable stability assist.
Try going into Track Mode and shifting power delivery from 100% aft and forward--worth a shot to see if it's a motor issue . . . otherwise, I'm baffled.
Another option, although rare: we had a '13 P85 that vibrated in gentle curves at highway speed. They found a bent strut (or two) IIRC. Finally solved a years-long problem (and thank heavens for the ESA)!
Yep, appreciate it.
Will do -- I'll try by first throwing it in autopilot mode at 85mph and verify the yoke vibration. Then I'll shift the power delivery to 100% aft to see if the vibration goes away. Do you feel like this would be a good test case?
Yes, but I think Track Mode has to be engaged in Park IIRC?
Also, shifting power aft and forward and back, stopping at intermediate points will likely help isolate, IF it's a motor issue.
Good luck!
More ammunition for the a brake issue:
teslamotorsclub.com
Since service and others have swapped wheels and tires without fixing the issue, in the post above, the car that had the issue and then track pack installed completely solved the vibration. So my money's still on a warped rotor or a brake pad issue.
Anyone bought the track package for a daily driver?
I see the price for the track package is 20k now with breaks and wheels which is huge but if I had bought the car for 90k I would have spent the 20k I guess but I paid 150k for mine so not sure if I want to spend another 20k I don’t track but might go to drag strip once a year. Most of the time...
teslamotorsclub.com
Since service and others have swapped wheels and tires without fixing the issue, in the post above, the car that had the issue and then track pack installed completely solved the vibration. So my money's still on a warped rotor or a brake pad issue.
I wonder if installing floating rotors up front would help then... Traditionally fixed calipers + fixed rotors means there's a greater likelihood of vibrations etc. Though I would expect that to be more noticeable when actually braking
Girodisc seems to make rotors for our cars. Could be worth a try - though not super cheap. Tesla Model S Plaid, LR 380mm Front Rotors
That's crazy. All my previous cars have had floating calipers (since I've done all my own brake work I know). Never replaced brake pads on a Tesla yet though. I wonder why they did that. Even the SLIGHTEST warped rotar or out of true hub will cause vibration with a fixed caliper.
EDIT: so yup. Looking at front caliper pictures. Fixed. Mind blown.
Yea. Was just reading about that. So I guess my 300ZXTT had fixed as well as my C5 while my Eclipse GSX, SC400, Supra, and SC430 all had floating front calipers.
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