Wednesday, 15 April 2015

How to Replace a Wheel Bearing

Wheel Bearing Replacement

Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes.

Secure the vehicle on a level surface.
Use a jack to lift up the vehicle. Every vehicle comes from the factory with a jack. To locate and properly use this Jack, see the owner's manual. The owner's manual will inform you where the proper jacking location is.
Secure the vehicle with jack stands on both sides for safety before starting any work. The pinch welds or frame rails are the two best locations. Do not rely on the jack to hold the vehicle up while working.

6910Photo may not be specific to your vehicle
Before lifting the wheels off the ground, slightly loosen the lug nuts. Then, lift the vehicle and remove the wheels by loosening and pulling off the lugs nuts that are holding the rims on.

Find the correct size socket and large ratchet or tire iron and turn the lug nuts counter clockwise. The lug nuts are the capped bolts that surround the center of the wheel holding the rim to the hub.

If the vehicle is equipped with hub cabs (plastic covers over the wheels) these will need to be removed to access the lug nuts. Use a flat head screw driver to carefully pry the hubcap away from the rim.

Pop the hub cab loose in 3 or 4 places around the rim so that you do not crack the plastic.

7014Photo may not be specific to your vehicle
Remove wheel, and locate the brake caliper.
Using a ratchet and correct size socket or Allen-head socket remove the brake caliper mounting bolts or pins. Be sure to suspend the brake caliper using a length of wire or rope. Do not use the flexible brake hose to support the caliper as damage may occur.
Using channel lock pliers or a screwdriver remove the wheel hub dust cap.
Using needle nose pliers and channel lock pliers remove the cotter pin, hub nut and retaining washer.
Remove the outer wheel bearing.
To remove the inner bearing, thread the hub nut back onto the spindle and pull the hub/rotor down and off. This will leave the inner wheel bearing and seal resting on the spindle. If you have a hat style rotor with fixed hub bearings, these may require a press to remove the bearing from the hub

6900Photo may not be specific to your vehicle
Now that the rotor assembly is completely off the vehicle, use a punch and hammer to drive out the old inner and outer races.
Thoroughly clean the inside of the rotor hub to rid it of contaminates and old grease. Inspect the hub for damage.
Locate the bearing race drivers for the inner and outer races. Using the correct driver, hammer the new bearing races into the hub fully.
Using a bearing packer, pack the new inner and outer wheel bearings with the recommended wheel bearing grease (high temperature, high pressure).
Coat the inside of the clean hub with the same wheel bearing grease used for packing.
Install the inner wheel bearing into the hub and install a new wheel bearing seal with the appropriate seal installer tool.
Lightly coat the spindle with wheel bearing grease, and install the bearing hub assembly onto the spindle.
Install the outer wheel bearing into the hub.
Install the wheel bearing retaining washer.
Install the wheel bearing hub nut and tighten by hand. Lash the bearing - tighten the bearing just snug, then back off (in loosening direction) by a slight amount to remove all bearing freeplay.
Install the wheel bearing nut castellated cover (if equipped) and cotter pin. Be sure to bend one leg of the cotter pin around the axle nut to secure.
Install the wheel bearing dust cap.
Spray brake cleaner on the hub/rotor and wipe off any dirt and grease that is present.
Unhook the brake caliper and slide it back over the brake rotor, position it so that the bolts can be reinstalled.
Using correct size ratchet and socket, tighten the caliper bolts or pins.
Mount the rim and tire to the hub and torque the lug nuts to the manufacturer's specifications using a star pattern.
Spin the wheel and listen for noise in the bearings.
Road test vehicle and listen for noises while increasing speed and braking through turns to verify repair.

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