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YACT: Car shakes at 60mph and anything over 75mph?!?!?!?

Lithium381

Lithium381

Lifer
It starts shaking when i go at 60mph and anything over 75mph.........not bad at 60, but it's really bad at higher speeds.......is it my tires/alignment? what can i do besides the obvious(not drive that fast)

i'm driving an 88 4runner with stock size tires, a little low on tread for some, but still fine
 
If the shaking gets worse the faster you go (and doesn't stop or lessen by around 70 or so), then you may have a more serious issue than unbalanced tires (although try that first). Possibly damaged or worn suspension components, unbalanced driveline, bad U-joint, or worn differential gears.
 
If you have your tires balanced make sure they have them checked to see if they are also "out of round" or something like that...I have two tires that balance perfectly but because of uneven wear whenever I go over 65mph my car will shake in the front, I replaced the tires with new ones and the shaking is gone 🙂
 
you need to find a tire place that uses the hunter balance machine with the haweka adapter.

here is a good link link

I had a 97 4runner, just traded it in for a 03 4runner sport edition v8. Its nice 😉

rich
 
Originally posted by: richardycc
you need to find a tire place that uses the hunter balance machine with the haweka adapter.

here is a good link link

I had a 97 4runner, just traded it in for a 03 4runner sport edition v8. Its nice 😉

rich
Click to expand...

well it's not all 4runners.....my mom has an '89 and we used to have an '84 and they didn't have this problem.....yeah, i'm thinking maybe an alignment is in order....rotation, but i know i'm going to get new tires for the summer in about two months....should i just wait or will i be causing damage to the car that won't be fixed if i just get new tires?

 
Could be:

a) unbalanced tire
b) bad alignment
c) worn out/beat up tire
d) bent rim

... those would be the first things I would check.
e)
 
I once had an out of balance driveshaft. The car shook like crazy at higher speeds and overdrive was the worst.
 
How many miles? (I'm betting on well over 100,000.)

This usually starts to happen when a suspension or driveline component starts to wear out. You will need to get that fixed before you get new tires, or they'll most likely get off balance and/or out of round before long.
 
lol, common mistake in reading, but I thought that said YAGT, and thought of course the car shakes if you're doin it that fast.
 
I had something like this happen to our Intrepid last summer, but the shaking would only happen at moderate speeds of 35-50 mph or so. Suspension bushings were the culprit.
 
My dad was driving his toyota corolla and he had a 3 month old tire blow out on the front left. Could be a bad tire.
 
Originally posted by: amdskip
My dad was driving his toyota corolla and he had a 3 month old tire blow out on the front left. Could be a bad tire.
Click to expand...

Yeah, don't buy tires at Wal-Mart 😉
 
Originally posted by: Marshallj
Originally posted by: godmare
Originally posted by: theNEOone
rotate your tires and get an alignment
Click to expand...

Then check your tire pressures.
Click to expand...

????????

That's not going to change the balance of the tire.
Click to expand...
Who said it would 'change the balance' ?
Thanks for trolling, though.
Left front tire has 32 lbs. of pressure, right front tire has 26 lbs. of pressure. You will vibrate at high speeds.


 
Originally posted by: Thegonagle
How many miles? (I'm betting on well over 100,000.)

This usually starts to happen when a suspension or driveline component starts to wear out. You will need to get that fixed before you get new tires, or they'll most likely get off balance and/or out of round before long.
Click to expand...

Balance issues are balance issues. They are issues related to parts that rotate. Why would a driveline component make his tires lose balance? That's what wheel weights are for.

My Toyota Corolla had 210,000+ miles (it was even a beaten rental car before I bought it) and there were not any balance issues. That's because I had my tires properly balanced.
 
Originally posted by: godmare
Who said it would 'change the balance' ?
Thanks for trolling, though.
Left front tire has 32 lbs. of pressure, right front tire has 26 lbs. of pressure. You will vibrate at high speeds.
Click to expand...

You are obviously not familiar with car mechanical issues.

Vibration problems are due to BALANCE issues. Why else would it vibrate? An out of balance object that rotates will cause a vibration since the center of mass is changing location quickly. Explain how uneven tire pressure will cause vibrations.


Thanks for pretending that you're educated on the matter though.

 
Originally posted by: Marshallj
Originally posted by: godmare
Who said it would 'change the balance' ?
Thanks for trolling, though.
Left front tire has 32 lbs. of pressure, right front tire has 26 lbs. of pressure. You will vibrate at high speeds.
Click to expand...

You are obviously not familiar with car mechanical issues.

Vibration problems are due to BALANCE issues. Why else would it vibrate? An out of balance object that rotates will cause a vibration since the center of mass is changing location quickly. Explain how uneven tire pressure will cause vibrations.


Thanks for pretending that you're educated on the matter though.
Click to expand...

Here's an example:
Link
Underinflation can cause tires to wear more on the outside than the inside. It also causes reduced fuel efficiency and increased heat buildup in the tires. It is important to check the tire pressure with a gauge at least once a month.
Click to expand...
Uneven wear on a tire will cause vibration, due to the tire being out of round.
 
Oh man I know why I get in so many arguments with uninformed people... I don't hesitate to call them on their BS and they'll fight to no end trying to defend themselves... so I encounter a lot of resistance when discussing issues with members of the uninformed masses.

I bet a real doctor, mechanic, or scientist would be torn apart on this forum because their level of knowledge would go against what the majority believes, and going against majority belief on an internet forum is as good as being wrong.
 
Originally posted by: godmare
Here's an example:
Link
Underinflation can cause tires to wear more on the outside than the inside. It also causes reduced fuel efficiency and increased heat buildup in the tires. It is important to check the tire pressure with a gauge at least once a month.
Click to expand...
Uneven wear on a tire will cause vibration, due to the tire being out of round.
Click to expand...


LOL, if you correctly read the passage and look at the picture, you'd see that the kind of uneven wear that's caused by an underinflated tire is more wear on the sides of the tire... which is NOT a rounding issue. A tire that is worn more on the sides is NOT out of round.

"Out of round" means that the radius of the tire is not consistent all the way around. Underinflation will not cause this. Unbalancing will.
 
Originally posted by: Marshallj
Oh man I know why I get in so many arguments with uninformed people... I don't hesitate to call them on their BS and they'll fight to no end trying to defend themselves... so I encounter a lot of resistance when discussing issues with members of the uninformed masses.

I bet a real doctor, mechanic, or scientist would be torn apart on this forum because their level of knowledge would go against what the majority believes, and going against majority belief on an internet forum is as good as being wrong.
Click to expand...
Seriously dude, Godmare is correct about uneven tirewear causing vibrations. I have experienced it personally and so has my mechanic and my tire shop too.

Whether it is cupping or a buldge, it will cause vibration.
 
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