2010 Toyota Vitz Bearings

Tiny
SAMTSETSE
  • MEMBER
  • 2010 TOYOTA VITZ
  • 1.3L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 154,333 MILES
When driving at any speed there is a sound coming out of the wheels especially from the right wheel. A mechanic told me that it might be a problem of wheel bearing. I bought the bearing and before he could install it he changed telling me that its deferential bearings not a wheel bearing. When the problem started it will make sound when I drive at a speed less than 90km/h nowadays its continuous
Friday, October 10th, 2014 AT 2:47 AM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,871 POSTS
Noisy wheel bearings are very common. Noisy differential bearings are very uncommon, and you won't hear them because there's no vehicle weight on them like there is on the wheel bearings.

You bought a part for your mechanic to install? That's like bringing your own food to a restaurant.

There's two ways to find the noisy bearing. One is to raise the front wheels off the ground, reach over the top and wrap your fingertips around the coil spring, then feel for the vibration when you rotate the wheel. My preferred method is to run the car in gear on a hoist, then listen next to each bearing with a stethoscope. One will sound a bit rumbly, but then the noisy one will be obviously much louder.

You can also use a tool called the "Chassis Ear". That's a set of six microphones, a switch box, and head phones. You place the microphones near suspect parts, then drive around while listening to each one. By moving the microphones around, you can zero in on the source of the noise.
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Friday, October 10th, 2014 AT 10:30 PM

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