Chapter 102 Wheel Bearings and Service

Which type of automotive bearing can withstand radial and thrust loads, yet must be adjusted for proper clearance?

Most sealed bearings used on the front wheels of front-wheel-drive vehicles are usually which type?

The bearing grease most often specifiedis rated NLGI ________.

Technician A says that a defective wheel or axle bearing often makes a growling or rumbling noise. Technician B says that a defective wheel or axle bearing often makes a noise similar to a tire with an aggressive mud or snow design. Which technician is correct?

After a non-drive-wheel bearing has been properly adjusted, the wheel should have how much end play?

What part(s) should be replaced when servicing a wheel bearing on a non-drive wheel?

Two technicians are discussing differentials. Technician A says that all differentials are vented. Technician B says that a clogged vent can cause the rear axle seal to leak. Which technician is correct?

Which type of drive axle would a heavy-duty truck tractor have?

The differential cover must be removed before removing the rear axle on which type of axle?

On a bearing that has been shock loaded, the race (cup) of the bearing can be dented. This type of bearing failure is called ________.

A non-drive-wheel bearing adjustment procedure includes a final spindle nut tightening torque of ________.

Two technicians are discussing wheel bearings. Technician A says that conventional tapered roller bearings as used on the front of most rear-wheel-drive vehicles should be slightly loose when adjusted properly. Technician B says that the spindle nut should not be tightened more than finger tight as the final step. Which technician is correct?

Wheel bearings are being packed with grease. Technician A says to use grease that is labeled "GC." Technician B says to use grease with an NLGI number of 2. Which technician iscorrect?

Bearings usually give warning before they fail.

Bearings cannot be diagnosed by turning the wheel and tire assembly by hand.