2001 Toyota Corolla Bearings

Tiny
DONNELLY MOSE
  • MEMBER
  • 2001 TOYOTA COROLLA
  • 1.5L
  • 4 CYL
  • FWD
  • MANUAL
  • 200,000 MILES
I changed my left hand side front wheel bearings and after a month or so, the same wheel is making the same noise, indicating that the bearing is faulty again. Might it be that the axle, or whatever it is that holds these bearings is damaged causing this repeated failure?
Sunday, October 12th, 2014 AT 11:20 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,742 POSTS
Nope. The outer cv joint just holds the bearing together. Tightening that axle nut is almost always the cause of repeat failures. There's two important things to watch for. First, the torque spec is very high and it must be set with a click-type torque wrench. Usually there will be a sheet included with the bearing that lists that value. The most common torque spec is 180 foot-pounds, but some cars specify as much as 240 foot-pounds.

Second, it is critical to the life of the bearing that absolutely no weight be placed on it until that axle nut is fully-torqued. A lot of people install the wheel, then set the car on the ground to hold the axle from spinning so they can tighten the nut. By that time the damage is done and it will make a buzzing noise like an airplane engine. Most of the time that noise starts right away. If it takes a month to show up, it's more likely the nut wasn't tightened enough.

The easiest way to tighten that nut is to place a screwdriver into one of the cooling slots in the brake rotor. That will prevent the half-shaft from turning so the nut can be tightened.
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Sunday, October 12th, 2014 AT 11:50 PM

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