Driveshafts, Joints, And Wheel Bearings
A driveshaft is a mechanical component for transmitting torque and rotation, joints are connections between two rigid bodies, and wheel bearings are sets of steel balls held together by a metal ring. What do you know about these items?
- 1.Technician A says the front wheel bearings on a typical FWD car are sealed and non-adjustable. Technician B says the front wheel bearings on a typical FWD car are greaseable and adjustable. Who is correct?
- A.
A only
- B.
B only
- C.
Both A and B
- D.
Neither A nor B
- 2.Technician A says front bearing assembly locknuts for tapered roller bearings are typically heavily torqued to maintain the bearing adjustment at zero play. Technician B says the axle nut for a FWD front wheel bearing assembly is often staked or otherwise locked in place. Who is correct?
- A.
A only
- B.
B only
- C.
Both A and B
- D.
Neither bA nor B
- 3.What type of wheel bearing is usually serviced by disassembling, cleaning, inspecting, repacking with grase, reassembling, and adjusting?
- A.
Tapered roller
- B.
Roller
- C.
Sealed roller
- D.
Sleeve
- 4.What type of wheel bearing is uaually used in front wheel drive application and is serviced by replacement?
- A.
Tapered roller
- B.
Roller
- C.
Sealed roller
- D.
Sleeve
- 5.What type of wheel bearing should normally have no perceivable wobble or play?
- A.
Tapered roller
- B.
Roller
- C.
Sealed roller
- D.
Sleeve
- 6.A vehicle has a growling noise that increases with vehicle speed. It is also noticed that the noise is louder on hard high speed right turns but it goes away on hard high speed left turns. What is the most likely cause?
- A.
A bad right side wheel bearing
- B.
A bad right side CV joint
- C.
A bad left side CV joint
- D.
A bad left side wheel bearing
- 7.Typically, constant velocity joints are not used in:
- A.
Conventional front-wheel drive vehicles
- B.
Front-wheel drive vehicles with independent front suspension
- C.
Conventional rear-wheel drive vehicles
- D.
Rear-wheel drive vehicles with independent rear suspension
- 8.The CV joints nearest the transaxle are called the:
- A.
Inner joints
- B.
Inboard joints
- C.
Outboard joints
- D.
Both A and B
- 9.Which part is most likely defective when a front drive car has a clicking noise during hard cornering?
- A.
Inner plunging type CV joint
- B.
Front wheeel bearing
- C.
Front universal joint
- D.
Outer fixed type CV joint
- 10.Which part is most likely defective when a front drive car has a clunking noise when going over bumps?
- A.
Inner plunging type CV joint
- B.
Front wheel bearing
- C.
Front universal joint
- D.
Outer fixed type CV joint
- 11.When replacing a CV boot:
- A.
The joint should be cleaned and inspected
- B.
New clamps should be used
- C.
New grease should be used
- D.
All of the above
- 12.CV joints provide:
- A.
Uniform torque transfer
- B.
Constant speed
- C.
Operation through a wide range of angles
- D.
All of the above
- 13.Technician A says FWD half shafts of equal legth help to minimize torque steer. Technician B says FWD half shafts can be equal or unequal in length. Who is correct?
- A.
A only
- B.
B only
- C.
Both A and B
- D.
Neither A nor B
- 14.What is a likely symptom of a worn universal joint?
- A.
Squeaking
- B.
A clunk when changing from 'reverse' to 'drive'
- C.
Both A and B
- D.
Neither A nor B
- 15.Driveshaft angles are being discussed. Technician A says U-joint durability is best when driveshaft working angles are kept to a minimum. Technician B says the working angles of the front and rear U-joints don't change with tire, wheel, or suspension modifications. Who is correct?
- A.
A only
- B.
B only
- C.
Both A and B
- D.
Neither A nor B
- 16.A RWD vehicle has a vibration mainly in the steering wheel. Which is the most likely cause?
- A.
Out of balance rear tire
- B.
Defective universal joint
- C.
Out of balance front tire
- D.
Defective driveshaft center support
- 17.A RWD vehicle has a vibration throughout the vehicle. Which is the least likely cause?
- A.
Out of balance rear tire
- B.
Defective universal joint
- C.
Out of balance front tire
- D.
Defective driveshaft center support
- 18.Technician A says that original U-joint caps can be held in by clips or injected plastic. Technician B says that some replacement U-joints have grease fittings. Who is correct?
- A.
A only
- B.
B only
- C.
Both A and B
- D.
Neither A nor B
- 19.A vehicle has a vibration since new U-joints were installed. The joints are the correct part numbers and have been installed into the driveshaft correctly. What is the most likely cause?
- A.
The driveshaft could have had a balancing weight knocked off
- B.
The driveshaft could have been incorrectly bolted to a companion flange
- C.
Both A and B
- D.
Neither A nor B
Questions: 10 | Attempts: 2633 | Last updated: Mar 21, 2022
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