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Exam 5: Front Drive Axles Servicing Front Drive Axles

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Question 1

Multiple Choice

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What is one of the most important components of a FWD drive axle?

A) shaft
B) U-joint
C) CV joint
D) strut

E) A) and B)
F) A) and D)

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Question 2

Multiple Choice

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Technician A says the most commonly used type of CV-joint is the ball type. Technician B says it is the Rzeppa type. Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B

E) A) and C)
F) None of the above

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Question 3

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What is the purpose of the CV joint?

The two basic varieties of CV joints are the ball-type and the tripod-type joints.

Technician A says the inner race of the Rzeppa CV-joint is connected to the drive axle. Technician B says the ball bearings rotate on a trunnion within the outer housing. Who is correct?

Explain the difference between a Rzeppa CV joint and tripod CV-joint.

Why is it important to consider the ABS (antilock brake system) when servicing a CV joint?

In the typical FWD drive axle arrangement figure shown, name the parts that are indicated by the arrows.

What are two commonly used boot clamps on a CV joint?

What are Torque Steer Compensation (TSC) programs?

To combat the adverse effects of torque steer, manufacturers will limit the _____ of their engine to avoid severe torque steer.

The drive axles are supported in the steering knuckle by roller bearings.

Technician A says the amount of torque steer a vehicle is dependent on the length of the axle shafts. Technician B says a factor that affects torque steer is the amount of power the engine produces. Who is correct?

What is torque steer? What causes it?

Explain the "full-floating type" of drive axle used in transaxles.

The Rzeppa CV-joint contains ____ ball bearings.

When a Rzeppa CV joint is modified to become a plunging joint by making the grooves in the inner race longer, it is called a _____.

Most automobiles use a fixed inboard type of CV joint for front-wheel drive.

Torque steer is more prominent on FWD vehicles with high-output engines.

Outer joints typically wear at a higher rate than inner joints because of the increased range of operating angles to which they are subjected.