ASE Practice Test (A4: Suspension & Steering)

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Which of the following indicates excessive play between the rack piston and sector on an integral power steering gear?

Correct! Wrong!

Correct answer: Lost motion within steering gear

A lost motion is caused by excessive play between the rack piston and sector.

A technician discovers that the toe-out-on-turns (turning radius) is incorrect during a wheel alignment. The cause could be a bent:

Correct! Wrong!

Correct answer: Steering arm

The cause of a bent is the steering arm.

High steering effort is noticed on a sport utility vehicle. Technician X believes it could be a result of a sheared shift tube. Technician Y believes that it’s a misaligned steering column assembly. Who is correct?

Correct! Wrong!

Correct answer: Technician Y

Misalignment in the column often leads to high steering effort. This is due to binding. If it were a sheared tube, the sport utility vehicle would have lost steering ability.

Which operation should be performed first when removing the power steering pump?

Correct! Wrong!

Correct answer: Disconnect the power steering return hose from the remote reservoir or pump and allow the fluid to drain

The procedure that should be done first is to disconnect the power steering return hose from the remote reservoir or pump and allow the fluid to drain.

A bent cradle could cause this difference if suspension components are mounted to the cradle.

Correct! Wrong!

Correct answer: a bent engine cradle

If suspension components are mounted to the cradle, it can cause a bent engine cradle.

On a short arm long arm (SLA) suspension when replacing a lower control arm bushings, the replacement should be:

Correct! Wrong!

Correct answer: Torqued with vehicle weight on suspension

The suspension needs to be loaded when bushing retention bolts are tightened. The other choices are wrong.

When aligning a light truck with a torsion bar front suspension, which of these should the technician do first?

Correct! Wrong!

Correct answer: Check/adjust the ride height (curb height)

The technician should check/adjust first the ride height (curb height) when aligning a light truck equipped with a torsion bar front suspension.

Which of these is the least likely cause of vibration in the steering wheel if the vehicle is traveling at 40 mph?

Correct! Wrong!

Correct answer: Worn control arm bushings

Several of these can lead to vibration, but the question stated, “least likely.” With that in mind, the worn control arm bushing would be the least likely of these four options to cause vibration. With a worn control arm bushing, you might also hear clunking noises and battle a wandering steering wheel.

Which procedure should be performed first to remove the manual steering gear (non-rack-and-pinion type)?

Correct! Wrong!

Correct answer: Disconnect the battery ground cable

Disconnect the battery ground cable first when removing the manual steering gear (non-rack-and-pinion type).

The ride height of the front suspension is lower than that of a MacPHerson strut suspension system. The cause of this problem could be any of the following except:

Correct! Wrong!

Correct answer: worn steering gear mounting bushings.

Worn steering gear mounting bushings is not the cause of the problem.

Which of the following is the most likely indication of a worn control arm bushing?

Correct! Wrong!

Correct answer: Rubber bushing is cracked

Cracking of the rubber bushing is an indicator of wear.

If not done according to the manufacturer's specifications, any of these could result in tire wear. EXCEPT:

Correct! Wrong!

Correct answer: Caster

Tire wear is not caused by caster.

Technician X states that a misaligned steering column input can result in noise. Technician Y states that if the linkage-assist type power steering column is low on lubricant, there is noise while turning the wheel. Who is correct?

Correct! Wrong!

Correct answer: Both Technicians

Both of the techs are correct. When the steering column isn’t aligned properly, it commonly creates noise. Tech Y is also right because having low fluid levels in a linkage-assist type power steering column would also create noise.

Technician X says front wheel setback is usually caused by worn suspension components. Technician Y says a slight front wheel setback causes steering pull. Who is right?

Correct! Wrong!

Correct answer: Neither X nor Y

Neither of the technician is correct.

Two technicians are discussing the ride height measuring procedure. Technician X says bent components can cause incorrect ride height. Technician Y says for proper measurement of the ride height, the vehicle must have a full tank of fuel. Who is right?

Correct! Wrong!

Correct answer: Both X and Y

Both technicians are right.

Which of the following applies when a shock absorber needs to be replaced due to a fluid leak?

Correct! Wrong!

Correct answer: It fails the bounce test.

A shock that fails the bounce test is defective regardless of leakage.

A vehicle wanders while being driven on level roads. Technician X says that too much negative camber could be the cause. Technician Y says that too much positive caster could be the cause. Who is right?

Correct! Wrong!

Correct answer: Neither X nor Y

Neither of the technician is correct.

While working on a steering column, Technician X says you must consult the online service information to get the proper airbag disabling procedure. Technician Y says that the flexible coupling or U-joint needs to be taken off before you remove the steering wheel. Who is correct?

Correct! Wrong!

Correct answer: Technician X

Safety is always a top priority. You must research the OEM information first. If it’s not done properly, the airbag could deploy and lead to injury.

On a truck with a long-and-short arm front suspension and a leaf spring rear suspension, the steering pulls to the right while driving straight ahead. All of the following defects could be the cause of the problem EXCEPT:

Correct! Wrong!

Correct answer: Excessive toe-in on the front wheels.

When driving straight ahead, excessive toe-in on the front wheels is not the cause of steering pulls to the right.

Which of the following location is the steering wheel sensor typically located?

Correct! Wrong!

Correct answer: Base of the steering column

Steering wheel sensors are located at the base of the steering column.

A vehicle with rack and pinion steering has a shimmy. Technician X says that worn rack-to-frame mounting bushings could be the cause. Technician Y says that a binding steering shaft U-joint could be the cause. Who is right?

Correct! Wrong!

Correct answer: X only

The worn rack-to-frame mounting bushings could be the cause of the vehicle that has a shimmy.

While discussing ride height of a vehicle, Technician X states that when it’s too low, the vehicle might pull to one side. Technician Y believes that the ride height won’t affect front camber. Who is correct?

Correct! Wrong!

Correct answer: Technician X

If the ride height is incorrect on one side, it can cause a pull. The ride height does affect camber. You will want to correct it before you make any alignment adjustments.

While discussing front cradle alignment, Technician X says the cradle may be measured at various locations to determine if it is bent. Technician Y says on some cradles an alignment hole in the cradle must be aligned with a hole in the chassis. Who is right?

Correct! Wrong!

Correct answer: Both X and Y

Both technicians are right.

By unbolting the ignition on, engine off (KOEO) and reviewing scan tool data for correct operation. Which of the following electronically controlled suspension sensors is tested?

Correct! Wrong!

Correct answer: G-sensor

A G-sensor is tested by unbolting it with the ignition on, engine off (KOEO) and reviewing scan tool data for correct operation.

A vehicle pulls to the right during braking. Technician X says that a worn strut rod bushing could be the cause. Technician Y says that a bent right wheel could be the cause. Who is right?

Correct! Wrong!

Correct answer: X only

A worn strut rod bushing could be the cause of a vehicle that pulls to the right when braking.

While talking about air shocks, Technician X states that some can be pressurized with the shop air hose. Technician Y states that if the shock absorber begins to lose air pressure, replacement might be required. Who is correct?

Correct! Wrong!

Correct answer: Both technicians

Both techs are right. If the air assisted shock absorber begins to lose pressure, it might need to be replaced. If the shock leaks, then it’s probably not pressurized to start with. In addition, many air-assisted shock absorbers can become pressurized by the shop air supply.

Which procedure should be performed first to remove the power steering gear (non-rack-and-pinion type)?

Correct! Wrong!

Correct answer: Disconnect the hoses from the steering gear, cap the lines, and cap the fittings.

Disconnect the hoses from the steering gear, cap the lines, and cap the fittings first when removing the power steering gear.

Technician X says the rear camber determines the thrust angle. Technician Y says the rear toe angle determines the thrust angle. Who is right?

Correct! Wrong!

Correct answer: Y only

Y is correct because the vehicle thrust angle is determined by the rear toe adjustment. Rear camber adjustments are not used by many manufacturers.

Two technicians are describing camber. Technician X says camber affects tire wear. Technician Y says rebound causes a slight negative change in camber on a SLA (Short/Long arm) suspension. Who is right?

Correct! Wrong!

Correct answer: Both X and Y

Both technicians are correct.

When the coil spring between the frame and the lower control arm is used to unload ball joints from a front suspension:

Correct! Wrong!

Correct answer: You must use a safety stand under the lower control arm

Prior to placing the safety stand under the lower control arm, the spring works against the ball joint stud. Once you place the stand there, the load is transferred. Then, an accurate inspection can be performed on the ball joint.

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