Is important to have the vehicle aligned when replacing the tires

Tiny
PCULQUI
  • MEMBER
  • 2005 TOYOTA SIENNA
  • 3.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 106,000 MILES
If your tires need alignment, what would be the effect of not having them aligned?
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Saturday, June 27th, 2020 AT 5:02 AM

11 Replies

Tiny
KASEKENNY1
  • EXPERT
This depends on what is needed to be aligned. You have three important angles caster, camber, and the toe. Caster being out of spec does not cause tire wear so this is the least important in relation to tire wear.

Camber is angle of the tire of the top and bottom tilting in or out away from the vehicle in relation to the center point of the wheel or the hub. This will cause inner edge of tire wear when it tilts too far in toward the vehicle. Outer edge tire wear when it is tilted to far out away from the vehicle.

Toe is when the leading edge of the tire is pointed further in or out in relation to the trailing edge. This will cause abnormal wear pattern across the tire.

Here is a guide and document that will help with this. Thanks

https://www.2carpros.com/articles/how-car-tires-work
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Saturday, June 27th, 2020 AT 8:13 AM
Tiny
PCULQUI
  • MEMBER
Now, with any of these issues stated here, the driving will be off a bit. In the sense that the car can sway?
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Saturday, June 27th, 2020 AT 10:08 AM
Tiny
KASEKENNY1
  • EXPERT
Yes. Any of these angles if off enough will cause the vehicle to pull to one side of the road or the other.

When you say the vehicle sways that normally means more of a wander. Meaning the vehicle wanders back and forth on the road. So it feels like it is pulling one direction and you correct it and then it is pulling in the opposite direction. This is normally an issue with the steering system. So I just wanted to clarify that.
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Saturday, June 27th, 2020 AT 7:32 PM
Tiny
PCULQUI
  • MEMBER
I had a recall on the shifter of the vehicle. The Toyota dealership fixed the problem and also diagnosed the entire car. They found 2 things: the muffler pipe had an exhaust leak, which I replaced with a new one, and the inside of the shifter had a small crack which they said it should not be a problem as long as I don't shifted to hard.
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Sunday, June 28th, 2020 AT 6:39 AM
Tiny
KASEKENNY1
  • EXPERT
Okay. Neither of these issues would contribute to a pulling or swaying issue. Let me know if I am not understanding what you are asking. Thanks
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Sunday, June 28th, 2020 AT 8:42 PM
Tiny
PCULQUI
  • MEMBER
No, I know. The reason I informed you about the diagnosis on the car is to let you know that they only found 2 issues on the car. Should they have found this 'pulling" or 'swaying issue when they diagnosed the car.
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Monday, June 29th, 2020 AT 2:42 AM
Tiny
KASEKENNY1
  • EXPERT
Oh. I understand. I would not expect that they find that. However, "should" they find it, yes. They should perform a complete inspection of the vehicle which includes a test drive and if it is pulling then they should find it. However, I would not be surprised if they didn't. If you tell them that you feel it is doing it, then they will drive it looking for it but I have found most mechanics don't pay that much attention to it when driving a vehicle.
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Monday, June 29th, 2020 AT 7:33 PM
Tiny
PCULQUI
  • MEMBER
I see. Thanks. Would I need to worry about it?
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Monday, June 29th, 2020 AT 7:34 PM
Tiny
KASEKENNY1
  • EXPERT
If the vehicle is pulling and you have newer tires on it then I would get it aligned. If the tires are in need of replacement or close to it, I would wait until you put new tires on it.
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Tuesday, June 30th, 2020 AT 5:59 PM
Tiny
PCULQUI
  • MEMBER
Okay. Thank you.
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Tuesday, June 30th, 2020 AT 5:59 PM
Tiny
KASEKENNY1
  • EXPERT
You are welcome. Thanks for coming back to 2CarPros. Talk to you next time.
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Wednesday, July 1st, 2020 AT 6:56 PM

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