Replace and adjusting wheel bearings

Designs of Non-driven wheel bearings – the front wheel-bearings of rear-wheel-drive cars and rear-wheel bearings of front-wheel-drive cars are similar. There are some types of bearings: roller bearings or ball bearings. All these types of bearings need regular adjustment and lubrication.

Adjustment and lubrication of bearings is necessary to do by the intervals given in the car service schedule. They are usually 35,000 miles.

Eventually bearings appears excessive play and a scraping sound that says about wear out them. The noisy of the bearings can be hear especially when cornering.

Signs of more bearing wear are the steering wandering or pulling to one side and shuddering during braking.

Should not be delayed and replace a worn or damaged bearing as soon as possible.

bearing in the wheel hub

How to remove wheel bearings

  1. Loosen the wheel nuts of the two wheels, before raise the car.
  2. Release the handbrake if it works, raise the car and take of the wheels.
  3. Remove the dust cap and loosen the hub nut by the same method as show the picture 1.
  4. Move the caliper clear of the disc.
  5. Tie up the caliper so as not to strain the brake hose, and the disc and hub pulled outwards.
  6. Unscrew the hub nut completely and take off the large thrust washer under it. The roller bearing will probably fall out.
  7. Then pull off the hub. If you can`t, used a soft-faced hammer.

Replace inner bearings

  1. Turn the hub outer side down and to prise out the grease seal with help the screwdriver.
  2. Lift inner bearing out and SE it aside.
  3. When the hub comes off the inner and outer races of both ball bearings stay together.
  4. Prise out the grease seal from the inner side of the hub.
  5. Separate the inner race of each bearing by driving it outwards from the middle of the hub.
Releasing inner bearings

Author: delfi

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