AUT104 Week 7 Quiz

Which of the following can be used to diagnose the source of noise?

Select one:

• Strut servicing kit

• Air chisel

• Chassis ear

• Scan tool

If the lower control arm of a vehicle is replaced, the vehicle will likely need a wheel alignment to make sure that the ________.

Select one:

• Engine is balanced

• MacPherson struts are properly installed

• Suspension system is adjusted properly

• There is proper play in ball joints

A(n) ___________ is used to separate ball joints, but usually ruins the grease seal.

Select one:

• Pickle fork

• Air chisel

• Coil spring compressor

• Strut compressor

Tech A says that cotter pins should never be installed in ball joints. Tech B says that ball joints are typically welded into the control arm. Who is correct?

Select one:

• Tech A

• Tech B

• Both A and B

• Neither A nor B

Which of the following should be inspected when the ride height does not match the manufacturer's specifications?

Select one:

• Shock absorbers

• Suspension springs

• Upper ball joints

• Lower ball joints

Tech A says that when unloading a suspension where the coil spring or torsion bar is pushing against the lower control arm, a wood block must be placed between the upper control arm and the frame. Tech B says when unloading a MacPherson strut suspension with only a lower control arm, raise the vehicle by the frame, and allow the suspension to hang free. Who is correct?

Select one:

• Tech A

• Tech B

• Both A and B

• Neither A nor B

Tech A says that suspension faults involving wear can often times be located during a visual inspection and confirmed as faulty with a measuring tool if necessary. Tech B says that damaged components may require an alignment machine to identify damaged parts. Who is correct?

Select one:

• Tech A

• Tech B

• Both A and B

• Neither A nor B

Tech A says that on most modern vehicles, the joints are sealed and lubricated for life, so there may be no grease fittings present. Tech B says that you should add grease to the ball joint until all the old grease is pushed out past the rubber boot on the joint. Who is correct?

Select one:

• Tech A

• Tech B

• Both A and B

• Neither A nor B

All of the following statements with respect to suspension systems are true EXCEPT:

Select one:

• an electronic stethoscope is the best tool for diagnosing caster angle problems.

• if one of the front tires is low, it may cause the vehicle to pull to one side.

• a four-wheel alignment is needed to verify the alignment angles.

• torque steer is a pull that occurs during heavy acceleration.

Tech A says that loose ball joints can cause the vehicle to wander. Tech B says that loose control arm bushings can cause a vehicle to wander. Who is correct?

Select one:

• Tech A

• Tech B

• Both A and B

• Neither A nor B