SOS Mechanic Certification- Suspension &
steering (SOS mechanic test Q&A)
Which of the following should be checked first thing when doing a front-end
alignment? - Answer: Curb height
To counteract road crown, most manufacturers recommend that the left front
wheel be adjusted to have: - Answer: Less positive (+) caster than the right
If the toe-in is too great, the tread will most likely show: - Answer: feathered
edges on both front tires
When a wheel alignment is done on a car with front torsion bars, what should be
checked and adjusted first? - Answer: Curb height
Page 1 of 13
, Which of the following would be a typical automobile front end camber setting? -
Answer: -3 degrees +/- 2 1/4 degrees its not the correct answer
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? - Answer: The camber is set too negative
A car will pull to: - Answer: the side with the most positive (+) camber
One front tires shows spotty or isolated cupping and worn spots. What is the most
likely cause of this problem? - Answer: An out-of-balance tire.
Before you remove a brake rotor from a hub, you should: - Answer: mark the
position of the rotor
The front wheels shimmy or bounce above 40mpg, even on a smooth, straight
road. The likely cause of this problem is: - Answer: Tires out of balance
While replacing a ball joint, you notice that the tapered hole in the steering
knuckle is oval shaped. What should you do about this? - Answer: Inform the
customer that the knuckle should be replaced.
If the upper ball joints are positioned ahead of the lower ball joints, the condition
is: - Answer: Negative caster
Page 2 of 13
steering (SOS mechanic test Q&A)
Which of the following should be checked first thing when doing a front-end
alignment? - Answer: Curb height
To counteract road crown, most manufacturers recommend that the left front
wheel be adjusted to have: - Answer: Less positive (+) caster than the right
If the toe-in is too great, the tread will most likely show: - Answer: feathered
edges on both front tires
When a wheel alignment is done on a car with front torsion bars, what should be
checked and adjusted first? - Answer: Curb height
Page 1 of 13
, Which of the following would be a typical automobile front end camber setting? -
Answer: -3 degrees +/- 2 1/4 degrees its not the correct answer
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? - Answer: The camber is set too negative
A car will pull to: - Answer: the side with the most positive (+) camber
One front tires shows spotty or isolated cupping and worn spots. What is the most
likely cause of this problem? - Answer: An out-of-balance tire.
Before you remove a brake rotor from a hub, you should: - Answer: mark the
position of the rotor
The front wheels shimmy or bounce above 40mpg, even on a smooth, straight
road. The likely cause of this problem is: - Answer: Tires out of balance
While replacing a ball joint, you notice that the tapered hole in the steering
knuckle is oval shaped. What should you do about this? - Answer: Inform the
customer that the knuckle should be replaced.
If the upper ball joints are positioned ahead of the lower ball joints, the condition
is: - Answer: Negative caster
Page 2 of 13
