SOS Mechanic Certification- Suspension & steering Test with Answers
1. Bleeding a power steering unit is generally done by: turning the steering wheel left and
right repeatedly
2. After rounding a turn, the front wheels do not return to the straight ahead
position in a normal way. What adjustment is most likely to be out of specifica-
tions?: Caster
3. "Toe" adjustment on front wheel drive vehicles is made by:: changing he length of the
steering linkage
4. When performing a front-end alignment what should you do before you
adjust the toe setting?: adjust the caster & camber
5. Front-wheel toe-in adjustment on rear-wheel drive vehicles is made by:: chang-
ing the length of the steering linkage
6. A mechanic is going to adjust the curb height on a car with torsion bars. To
do this the car should be checked:: on a level surface with the car at curb weight
7. A proper way to check ball joints for wear is by:: visual observation of the wear indicator &
unloading the ball joint and using a pry bar and a dial indicator
8. which of the following adjustments can be made on all vehicles with MacPher-
son strut suspensions?: Toe settings
9. You are checking the war on ball joints with a dial indicator at the wheel rim.
What must you do to get accurate readings?: check the wheel bearing adjustment and correct
if needed
10. A mechanic jacks up a car, stands facing it, places a hand on the front of
each tire. The mechanic pushes out and then pulls in on both tires. Too much
movement would most likely mean that:: the tie rod ends are worn
11. Which of the following should be checked first thing when doing a front-end
alignment?: Curb height
12. To counteract road crown, most manufacturers recommend that the left
front wheel be adjusted to have:: Less positive (+) caster than the right
13. If the toe-in is too great, the tread will most likely show:: feathered edges on both front
tires
14. When a wheel alignment is done on a car with front torsion bars, what should
be checked and adjusted first?: Curb height
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, SOS Mechanic Certification- Suspension & steering Test with Answers
15. Which of the following would be a typical automobile front end camber
setting?: -3 degrees +/- 2 1/4 degrees its not the correct answer
16. A mechanic finds that a front tire is worn on the inside of the tread only.
The mechanic checks the air pressure and finds it correct. What is causing this
problem?: The camber is set too negative
17. A car will pull to:: the side with the most positive (+) camber
18. One front tires shows spotty or isolated cupping and worn spots. What is the
most likely cause of this problem?: An out-of-balance tire.
19. Before you remove a brake rotor from a hub, you should:: mark the position of the
rotor
20. The front wheels shimmy or bounce above 40mpg, even on a smooth,
straight road. The likely cause of this problem is:: Tires out of balance
21. While replacing a ball joint, you notice that the tapered hole in the steering
knuckle is oval shaped. What should you do about this?: Inform the customer that the
knuckle should be replaced.
22. If the upper ball joints are positioned ahead of the lower ball joints, the
condition is:: Negative caster
23. What is true of most MacPherson type suspensions?: There is no upper control arm.
24. A mechanic has set caster, camber, and toe-in to specifications. On the road
test afterwards, the mechanic notices that the steering wheel spokes are off
center to the left. What should be done to fix this?: Adjust both tie rod sleeves equally to
move the front wheels in the direction of the steering wheel error
25. Ball joints with wear indicators should be checked:: when loaded and by visual observa-
tion
26. There is a looseness in the steering column, which of these could cause this
problem?: Loose steering column universal joints
27. Which of these could cause dangerous handling, uncomfortable ride, and
noise due to excessive sideways body movement?: Broken rear track bar
28. A vehicle has unusual noises when it is jounced up and down, all of these
could cause this problem except:: worn tie rod ends
29. If the upper ball joint is positioned behind the lower ball joint, which of these
describes the alignment condition?: Positive caster.
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1. Bleeding a power steering unit is generally done by: turning the steering wheel left and
right repeatedly
2. After rounding a turn, the front wheels do not return to the straight ahead
position in a normal way. What adjustment is most likely to be out of specifica-
tions?: Caster
3. "Toe" adjustment on front wheel drive vehicles is made by:: changing he length of the
steering linkage
4. When performing a front-end alignment what should you do before you
adjust the toe setting?: adjust the caster & camber
5. Front-wheel toe-in adjustment on rear-wheel drive vehicles is made by:: chang-
ing the length of the steering linkage
6. A mechanic is going to adjust the curb height on a car with torsion bars. To
do this the car should be checked:: on a level surface with the car at curb weight
7. A proper way to check ball joints for wear is by:: visual observation of the wear indicator &
unloading the ball joint and using a pry bar and a dial indicator
8. which of the following adjustments can be made on all vehicles with MacPher-
son strut suspensions?: Toe settings
9. You are checking the war on ball joints with a dial indicator at the wheel rim.
What must you do to get accurate readings?: check the wheel bearing adjustment and correct
if needed
10. A mechanic jacks up a car, stands facing it, places a hand on the front of
each tire. The mechanic pushes out and then pulls in on both tires. Too much
movement would most likely mean that:: the tie rod ends are worn
11. Which of the following should be checked first thing when doing a front-end
alignment?: Curb height
12. To counteract road crown, most manufacturers recommend that the left
front wheel be adjusted to have:: Less positive (+) caster than the right
13. If the toe-in is too great, the tread will most likely show:: feathered edges on both front
tires
14. When a wheel alignment is done on a car with front torsion bars, what should
be checked and adjusted first?: Curb height
1/7
, SOS Mechanic Certification- Suspension & steering Test with Answers
15. Which of the following would be a typical automobile front end camber
setting?: -3 degrees +/- 2 1/4 degrees its not the correct answer
16. A mechanic finds that a front tire is worn on the inside of the tread only.
The mechanic checks the air pressure and finds it correct. What is causing this
problem?: The camber is set too negative
17. A car will pull to:: the side with the most positive (+) camber
18. One front tires shows spotty or isolated cupping and worn spots. What is the
most likely cause of this problem?: An out-of-balance tire.
19. Before you remove a brake rotor from a hub, you should:: mark the position of the
rotor
20. The front wheels shimmy or bounce above 40mpg, even on a smooth,
straight road. The likely cause of this problem is:: Tires out of balance
21. While replacing a ball joint, you notice that the tapered hole in the steering
knuckle is oval shaped. What should you do about this?: Inform the customer that the
knuckle should be replaced.
22. If the upper ball joints are positioned ahead of the lower ball joints, the
condition is:: Negative caster
23. What is true of most MacPherson type suspensions?: There is no upper control arm.
24. A mechanic has set caster, camber, and toe-in to specifications. On the road
test afterwards, the mechanic notices that the steering wheel spokes are off
center to the left. What should be done to fix this?: Adjust both tie rod sleeves equally to
move the front wheels in the direction of the steering wheel error
25. Ball joints with wear indicators should be checked:: when loaded and by visual observa-
tion
26. There is a looseness in the steering column, which of these could cause this
problem?: Loose steering column universal joints
27. Which of these could cause dangerous handling, uncomfortable ride, and
noise due to excessive sideways body movement?: Broken rear track bar
28. A vehicle has unusual noises when it is jounced up and down, all of these
could cause this problem except:: worn tie rod ends
29. If the upper ball joint is positioned behind the lower ball joint, which of these
describes the alignment condition?: Positive caster.
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