4X4 quiz

A transfer case is most often used in a(n):

• front-wheel drive (FWD) vehicle

• four-wheel drive (4WD) vehicle

• rear-wheel drive (RWD) vehicle

• vehicle with a dead axle.

Tech A says that part time four wheel drive does not use a transfer case. Tech B says that constant-velocity joints are used on some four-wheel drive vehicles. Who is correct?

• Tech A

• Tech B

• Both

• Neither

______ transmits power to the front and rear drive axles at normal drive speed.

• Four-wheel drive low range

• Four-wheel drive high range

• Two-wheel drive

• Neutral

Technician A says that driveline binding can be caused by tires that have different circumferences. Technician B says that some transfer cases use a central differential to allow for cornering in 4wd mode

• Tech A

• Tech B

• Both

• Neither

In all-wheel drive vehicles only two of the wheels are normally powered, typically the rear wheels.

• True

• False

Technician A says that in all-wheel-drive vehicles, locked differentials are used to ensure ease in driving around curves. Technician B says that a third set of differential gears is used to allow turning and driving into curves. Who is correct?

Select one:

• Technician A

• Technician B

• Both A and B

• Neither A nor B

In some vehicles, when the transfer case's low range option is selected, a geared electric motor automatically operates an engagement sleeve splined to the _______.

Select one:

• Front output shaft

• Front input shaft

• Back output shaft

• Back input shaft

The TCM does not have the ability to memorize driver preferences/behaviors.

Select one:

• True

• False

Mechanical shifting controls can wear out over time, and electrical problems may develop due to _____.

Select one:

• Corrosion

• Looseness

• Both A and B

• Neither A nor B

Vacuum controls have rubber diaphragms in them, heat and moisture can cause them to deteriorate over time.

Select one:

• True

• False