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The wheel bearings are sealed and should last a long time. If you think they are bad you would have to replace the bearings they cannot be repacked.
The 2004 Toyota Corolla came equipped in the 1.8L L4 engine only. The rears have a bolt-in hub/wheel bearing assembly. The XRS model did have bolt-in fronts, however the other models need to have their front bearings removed, and greased and then hydraulically pressed-in.
Repacking wheel bearings is part of regular maintanance on vehicles that require such. They are replaced only if needed because of wear or lack of maintanance.
Changing wheel bearings on a Toyota RAV4 is similar to other vehicles. After properly and safely removing the tire, the cowling should be removed giving access to the bearings. Be sure to clean the housing area and properly pack the bearings.
They need to be checked, cleaned and repacked.
There are no grease fittings on the wheel of any car. The wheel bearings must be removed, cleaned, inspected, repacked, and replaced.
To change front wheel bearings on a 1976 four-wheel drive GMC Sierra, you have to use the proper tools. Either by a mechanic or yourself; but you are required to know the basics. Being that these bearings are sealed and cannot be repacked with grease. It is important to replace the worn bearings, with the new ones. Before they damage the hubs.
If it is not a sealed bearing then this is normal, in fact bearings must periodically be repacked. However if it is a newer vehicle with sealed bearing then this could mean a possible seal that has pushed out.
AnswerThat is a sign of a bad wheel bearing. Have them inspected and repacked or replaced if need be. Note: these bearings are sealed and cannot be 'repacked' - like in the old days, or on rear drum brakes.Note #2: the bearings are part of the hub/bearing assembly. An ambitious job, but certainly doable.See "Related Questions" below for more
Wheel bearings on 1995 Geo Prizms are sealed units and cannot be repacked with grease. You must buy new bearings to be pressed on hubs by mechanic with proper tools. If bearings are worn, replace ASAP before bearings start damaging hubs, you'll save bunches of money.
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Need more information. Are you referring to wheel bearings, transmission bearings, differential bearing, etc. Also what type of vehicle is this? If your talking about front wheel bearing on a front wheel drive car, there are no specs or adjustments. Any play means the bearing is bad. Same goes for most 4WD vehicles. Front wheel bearing on a rear wheel drive also should not have play but if they are in good shape, they can be repacked and tightened to spec.