Exam 114: Rear Suspensions and Service

The left front of the vehicle is higher than the right front and the right rear is lower than the left rear. What is the most likely cause of this problem?

One rear leaf spring is broken. Technician A says that both rear leaf springs should be replaced. Technician B Says that only the broken spring needs to be replaced. Which technician is correct?

Which of these components is the Panhard rod?

Technician A says that a leaf spring suspension requires control arms to brace and position the rear axle. Technician B says that leaf springs help locate the axle under the vehicle. Which technician is correct?

Panhard rods are installed ________.

A "witness mark" is a ________.

Technician A says that a torque arm runs perpendicular the the driveshaft. Technician B says that a torque arm runs parallel to the driveshaft. Which technician is correct?

Technician A says that trailing arms run perpendicular to the center line of the chassis. Technician B says that trailing arms run parallel to the center line of the chassis. Which technician is correct?

Technician A says that suspension diagnosis and service should begin with a comprehensive test drive.Technician B says that shocks or struts should be replaced in axle pairs. Which technician is correct?

Which of the following is a disadvantage of a solid rear axle?

A strut-type suspension is used ________.

Two technicians are discussing rear shock absorbers. Technician A says that if one shock is leaking, then both rear shock absorbers should be replaced. Technician B says that the rear axle should be supported before removing the rear shock absorbers. Which technician is correct?

Technician A says that solid rear axles are used only in rear-wheel drive vehicles. Technician B says that solid rear axles are used in both front-wheel drive and rear-wheel drive vehicles. Which technician is correct?

Technician A says that all unit body vehicles have a track rod or stabilizer bar in the rear suspension. Technician B says that individual leaves of a leaf spring often crack before breaking. Which technician is correct?

Identify this suspension type.

Technician A says that leaf springs are mounted lengthwise on the rear of many vehicles. Technician B says that some vehicles use transversely mounted leaf springs on the rear. Which technician is correct?

Technician A says that as axle shafts rotate in one direction to drive the wheels, the axle housing attempts to rotate in the opposite direction. Technician B says this is called torque steer. Which technician is correct?

Technician A says that a torque arm is designed to support the weight of the vehicle. Technician B says that a torque arm is designed to prevent rear axle wind up. Which technician is correct?

Technician A says that the top mounting nut for a rear shock absorber is often located inside the vehicle. Technician B says that shocks, struts, and springs should always be replaced in axle sets. Which technician is correct?

A loud "bang" is heard and felt every time the accelerator is depressed or released on a rear-wheel drive vehicle. Technician A says that a leaking shock absorber could be the cause. Technician B says that a broken torque arm could be the cause. Which technician is correct?