Brand new 5th gen vibrating when braking

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yognabologna

New member
hey guys,

the whole body of my brand new 5th gen SR5 (400 miles) vibrates when braking. it's especially worse when braking from higher speeds. separately (but related), i sometimes feel the transmission "jolt" a bit when i first start driving around and take a turn.

only thing that comes to mind is i recently drove down a mountain using engine braking to slow myself and perhaps did it wrong? i never went faster than 30-40 mph while on S3/S4 and nothing ever sounded or felt wrong.

thanks in advance
 
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yognabologna said:
hey guys,

the whole body of my brand new 5th gen SR5 (400 miles) vibrates when braking. it's especially worse when braking from higher speeds. separately (but related), i sometimes feel the transmission "jolt" a bit when i first start driving around and take a turn.

only thing that comes to mind is i recently drove down a mountain using engine braking to slow myself and perhaps did it wrong? i never went faster than 30-40 mph while on S3/S4 and nothing ever sounded or felt wrong.

thanks in advance
Click to expand...

Is it pulsing in the brake pedal and the steering wheel?

Sounds like "warped" rotors. I would start with replacing those. Go with Raybestos Advanced Technology slotted rotors.
 
Unless you have been driving those first 400 miles with your foot resting on the brake pedal you should not be having brake problems so soon. Also--have you checked the lug nuts on all wheels? Make sure they are tightened to the correct ft/lb torque for your wheels.

It is a new vehicle--I would have it checked by the dealer in case it is some flaw that is covered under warranty.
 
TOYO74 said:
Unless you have been driving those first 400 miles with your foot resting on the brake pedal you should not be having brake problems so soon. Also--have you checked the lug nuts on all wheels? Make sure they are tightened to the correct ft/lb torque for your wheels.

It is a new vehicle--I would have it checked by the dealer in case it is some flaw that is covered under warranty.
Click to expand...

thanks, i can look into the lug nuts. my only issue here is the dealer i bought it from is 1+ hr. away. can I take it to my local Toyota dealer?
 
Take it to any dealer. you should not be paying for a damn thing on a car with 400 miles on it unless of course you caused an issue, but in this case they will handle it. They have to
 
yognabologna said:
thanks, i can look into the lug nuts. my only issue here is the dealer i bought it from is 1+ hr. away. can I take it to my local Toyota dealer?
Click to expand...

Yes, as SR5Bart said, you can have your vehicle checked at any Toyota dealer.

You should check the lug nuts for your own safety, but there is no reason to try to guess what is causing the vibration problem when you can have the service dept check it under warranty.
 
thanks for the responses guys. planning on taking her in this week. issue is getting worse - see video below

it's icy/snowy outside and my car is now doing this when i break, and sometimes when i accelerate also. you obviously cant tell in the video but the break pedal and entire care vibrate pretty aggressively. same thing happens when i accelerate sometimes.

my transmission also jolts a ton.. sometimes just when going into reverse, sometimes when going from 2WD to 4WD. again, brand new car, 600 miles..

YouTube
 
Not counting today, this week has one more day. But I'd keep driving it like you have for the last week. Good luck, really!
 
Yea, get it in. Perhaps a computer issue with the traction control? Try disengaging traction control and see what happens. I can't imagine the rotors being warped but you never know.
 
I appreciate the help guys, really. I'm taking it in to get it serviced today.

For what it's worth - this has been happening (granted, to a lesser extent) for weeks now, even before it was snowy/icy outside. And the same rattling happens when I accelerate.

Generally, my car has not handled the snow/ice well at all. This issue + general weird transmission jolting/noises. I really don't have a good feeling about it. I'm leaning toward building a lemon law case right now.
 
It could be anything. It could be something very simple like a brake pad separated or caliper binding. It could be the computer. It could be a wheel sensor. Something could be out of calibration. you may be operating 4WD incorrectly. There are too many things we don't know. Let us know what the dealer says.

You're not driving in 4LO are you? Crawl control?
 
yognabologna said:
hey guys,

the whole body of my brand new 5th gen SR5 (400 miles) vibrates when braking. it's especially worse when braking from higher speeds. separately (but related), i sometimes feel the transmission "jolt" a bit when i first start driving around and take a turn.

only thing that comes to mind is i recently drove down a mountain using engine braking to slow myself and perhaps did it wrong? i never went faster than 30-40 mph while on S3/S4 and nothing ever sounded or felt wrong.

thanks in advance
Click to expand...

Any updates? It kind of sounds like it was acting as if ATRAC or HDC was engaged. Bad ABS sensor?
 
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