Deck 10: Suspension System Service

Question 1

_______ is the undesired condition produced when, upon hitting a bump, the vehicle darts to one side as the steering linkage is pushed and pulled as a result of the travel of the suspension.

A) Bump steer
B) Road bump
C) Road crown
D) Beam steer

Answer 1

A

Question 2

Technician A says torque-steer is caused by low tire pressure. Technician B says steering return concerns may be caused by binding components. Who is correct?

A) Technician A
B) Technician B
C) Both Technician A and Technician B
D) Neither Technician A nor Technician B

Answer 2

B

Question 3

Technician A says pull is felt when the driver feels the steering wheel wanting to go to one side. Technician B says drift is when the driver is holding the steering wheel steady and straight but the vehicle slowly begins to move either right or left. Who is correct?

A) Technician A
B) Technician B
C) Both Technician A and Technician B
D) Neither Technician A nor Technician B

Answer 3

C

Question 4

Technician A says steering return problems describe the condition that occurs when the steering wheel does not return to straight ahead after a turn, also known as memory steer. Technician B says steering return can be caused by binding at pivot points or can be the result of insufficient positive caster. Who is correct?

A) Technician A
B) Technician B
C) Both Technician A and Technician B
D) Neither Technician A nor Technician B

Question 5

A driver should not need to keep manipulating the steering wheel to maintain the vehicle in a _________ on straight, level roads.

A) Straight-ahead position
B) Right-hand turn
C) Left-hand turn
D) None of the answers listed

Question 6

You can check for potential suspension noises in all these ways, EXCEPT:

A) driving over bumps.
B) the use of chassis ears.
C) racing the engine up and listening for noise.
D) using an assistant to bounce the car up and down while you check for parts.

Question 7

Technician A says worn stabilizer bar links can produce a loud clunking sound. Technician B says the most likely stabilizer bar fault is a broken stabilizer bar. Who is correct?

A) Technician A
B) Technician B
C) Both Technician A and Technician B
D) Neither Technician A nor Technician B

Question 8

Technician A says that when checking shocks, you should bounce the car. Technician B says that only rear-wheel-drive cars need a shock test. Who is correct?

A) Technician A
B) Technician B
C) Both Technician A and Technician B
D) Neither Technician A nor Technician B

Question 9

When checking for a bad shock absorber, you should look for all of the following, EXCEPT:

A) broken shock mount.
B) excessive oil leakage.
C) worn-out bushings.
D) fluid level at the full mark.

Question 10

Worn outer tie-rod ends should be removed from the steering arm/knuckle by all of the following, EXCEPT:

A) removing the cotter pin in the stud and nut.
B) removing the nut from the threads.
C) using the special puller tool to press it out of the taper.
D) heating the arm with a torch to expand the hole diameter.

Question 11

All of the following are true about rubber stops; EXCEPT:

A) they are typically rubber bumpers to prevent metal to metal contact
B) they do their job when suspension parts reach their limit of travel
C) they are typically only on heavy American vehicles
D) they reduce shock to the driver when bottoming out occurs

Question 12

Technician A says you can replace the bushings in some control arms. Technician B says on some vehicles, you have to replace the entire control arm to repair control arm bushings. Who is correct?

A) Technician A
B) Technician B
C) Both Technician A and Technician B
D) Neither Technician A nor Technician B

Question 13

Vehicle wander may be caused by what?

A) Worn joints and bushings
B) Looseness in steering and suspension components
C) Caster angle is off
D) All the above

Question 14

Tech A says torque steer is caused by low tire pressure. Tech B says steering return concerns may be caused by binding components. Who is correct?

A) Tech A
B) Tech B
C) Both Techs A and B
D) Neither Tech A nor B

Question 15

You can check for noises in all these ways EXCEPT:

A) driving over bumps.
B) the use of chassis ears.
C) racing the engine up and listening for noise.
D) using an assistant to bounce the car up and down while you check for parts.

Question 16

Tech A says stabilizer bars rarely give problems. Tech B says a broken stabilizer bar will cause a vibration. Who is correct?

A) Tech A
B) Tech B
C) Both Techs A and B
D) Neither Tech A nor B

Question 17

When checking for a faulty shock absorber, you should look for:

A) a slight oil film on the shock.
B) oil dripping off shock.
C) worn-out bushings.
D) Both B and C

Question 18

When should coil springs be checked?

A) When the engine misfires
B) When there is oil on the shocks
C) When there is an issue related to ride quality or ride height
D) When the tires cup

Question 19

Tech A says you can replace the bushings in some control arms. Tech B says you have to replace the entire control arm to repair control arm bushings. Who is correct?

A) Tech A
B) Tech B
C) Both Techs A and B
D) Neither Tech A nor B

Question 20

A vehicle will pull to the side with the ________ camber.

A) Least negative
B) Most negative
C) Least positive
D) Most positive

Question 21

________ occurs when the vehicle's driver is holding the steering wheel steady and straight, but the vehicle slowly begins to move to either the right or left.

A) Pull
B) Hard steering
C) Drift
D) Torque steer

Question 22

________ is a pull that occurs during heavy acceleration.

A) Hard steering
B) Torque steer
C) Drift
D) Vehicle wander

Question 23

_______ is when the vehicle turns itself upon hitting a bump.

A) Bump steer
B) Drift
C) Pull
D) Torque steer

Question 24

Ride height should typically not vary by more than _______ from side to side.

A) Half a foot
B) A foot
C) An inch
D) Half an inch

Question 25

Unwanted ________ in the suspension system can be extremely dangerous and should be corrected as soon as possible.

A) Fit
B) Tightness
C) Looseness
D) Tolerances

Question 26

The ________ bar is used in light vehicles as a stabilizer, or antiroll bar.

A) Torsion
B) Steadying
C) Suspension
D) Sway

Question 27

When diagnosing body sway, inspect the _______.

A) Sway bar bushings
B) Brackets
C) Link bushings
D) All of the above

Question 28

The vehicle's stabilizer components should be checked ________.

A) Every two years or 20,000 miles
B) Every 6 to 8 months
C) Whenever a vehicle is brought into the shop because of handling concerns or suspension-related noises
D) Every 4 years or 40,000 miles

Question 29

If making an adjustment to shocks on a vehicle that has adjustable shock absorbers, make sure the shock absorber adjustments are the same for the ________.

A) Front and rear side
B) Left- and right-hand sides
C) Side to side and front and back
D) Top and bottom of the shock

Question 30

Some shock absorbers contain pressurized gas, which can leak out, causing ___________.

A) Uneven ride height
B) Shock absorber performance issues
C) Both A and B
D) Neither A nor B

Question 31

Suspension bushings should not be cracked and should have ____ give when pried against.

A) Little
B) A medium amount of
C) A large amount of
D) Zero

Question 32

_______ can become bent or damaged as the result of a collision or driving through a deep pothole, so they need to be periodically inspected for damage.

A) Control arm bushings
B) Control arms
C) Control arm ball joints
D) Coil springs

Question 33

On a ________suspension where the coil spring or torsion bar is pushing against the lower control arm, a floor jack must be placed under the lower control arm and the wheel must be raised off the ground.

A) Type 2
B) MacPherson strut
C) Type 1
D) Type 3

Question 34

Tech A says that ball joints must be unloaded when checking them for wear. Tech B says that ball joints must be loaded when checking them for wear. Who is correct?

A) Tech A
B) Tech B
C) Both A and B
D) Neither A nor B

Question 35

Incorrect angles in the steering linkage due to a component being bent can result in:

A) noise.
B) bump steer.
C) pull.
D) hard steering.

Question 36

When the driver feels the steering wheel wanting to go to one side, which of the following should be checked first?

A) Looseness in the suspension system
B) Problems in the braking system
C) Tire pressure
D) Four-wheel alignment

Question 37

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

A) Strut servicing kit
B) Air chisel
C) Chassis ear
D) Scan tool

Question 38

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

A) An electronic stethoscope is the best tool for diagnosing caster angle problems.
B) Pull is felt when the air pressure in one or more of the front tires is low.
C) A four-wheel alignment will be needed to verify the alignment angles.
D) Torque steer is a pull that occurs during heavy acceleration.

Question 39

Tech A says that torque steer is a condition where the vehicle pulls to one side under acceleration. Tech B says that an incorrectly installed compliance bushing could cause torque steer concerns. Who is right?

A) Tech A
B) Tech B
C) Both A and B
D) Neither A nor B

Question 40

The best method for testing a MacPherson strut suspension with only a lower control arm is to:

A) raise the vehicle by the frame and allow the suspension to hang free.
B) test it at the floor level.
C) place a floor jack under the lower control arm and raise the wheel off the ground.
D) fit a wooden block between the arm and the frame.