Drive line problems

A Cardan-type U-joint may require what tool(s) to replace?

• A special tool

• A torch

• A press or a vice

• May require any of the above

Two technicians are discussing U-joints. Technician A says that a defective U-joint could cause a loud clunk when the transmission is shifted between Drive and Reverse. Technician B says a worn U-joint can cause a clicking sound when driving the vehicle in reverse. Which technician is correct?

• Technician A

• Technician B

• Both technician A and B

• Neither technician A nor B

Incorrect or unequal U-joint working angles are most likely to be caused by ________.

• A bent drive shaft

• A collapsed engine or transmission mount

• A dry output shaft spline

• Defective or damaged U-joints

A four wheel drive vehicle comes in to a repair shop. Customer notice a noise while turning and a loud clunk sound. Technician A says it might be cause by a loose drive shaft. Technician B says it might be cause by a worn CV joint or axle joint. Which technician is correct ?

• Technician A

• Technician B

• Both technician A and B

• Neither technician A nor B

In overdrive gear, the driveshaft rotates slower than the engine.

• True

• False

It is recommended by many experts that an air impact wrench not be used to remove or install the drive axle shaft nut because the impacting force can damage the hub bearing.

• True

• False

Two technician are discussing a dented drive shaft. Technician A says that it should be repaired. Technician B says it should be replace. Which technician is correct ?

• Technician A

• Technician B

• Both technician A and B

• Neither technician A nor B

The owner of a front wheel drive vehicle complained that it vibrated during acceleration only. The vehicle would also pull toward one side during acceleration. Technician A says a loose engine mount might be at fault. Technician B says the CV joint on the side its pulling might be at fault. Which technician is correct ?

• Technician A

• Technician B

• Both technician A and B

• Neither technician A nor B

Customer is complaining of a vibration going around 60km, seem to be getting louder as he is going faster. Technician A says it could be a loose or worn CV joint or a loose or worn wheel bearing. Technician B says it could be a loose or worn tripod or inner axle joint. Which technician is correct ?

• Technician A

• Technician B

• Both technician A and B

• Neither technician A nor B

A customer reports vibration from the drive line on his pick up truck. After inspection of the vehicle nothing seem to be loose or abnormal. Technician A says it could be a an unbalance drive shaft Technician B says it could be a drive line angle problem. Which technician is correct ?

• Technician A

• Technician B

• Both technician A and B

• Neither technician A nor B