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SOS MECHANIC CERTIFICATION SUSPENSION & STEERING TEST
2025-2026 QUESTIONS AND CORRECT ANSWERS CURRENTLY
TESTING /ALREADY GRADED A+
One advantage of an air suspension is that:
A ) ride height is controlled automatically.
B ) it is cheaper to build and maintain.
C ) tire imbalance ceases to be a problem.
D ) all of the above.-ANSWER-A ) ride height is controlled
automatically.
The vehicle thrust line is determined by the:
A ) rear toe.
B ) tracking.
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C ) turning radius.
D ) front toe.-ANSWER-B ) tracking.
The invisible line drawn through the centre of the upper and
lower ball joints on a conventional steering vehicle is known as
the:
A ) steering axis.
B ) datum line.
C ) reference line.
D ) line of caster.-ANSWER-A ) steering axis.
The rack bearing adjustment on a rack and pinion power
steering gear provides:
A ) worm bearing preload.
B ) sector shaft end play.
C ) high spot adjustment.
D ) rack to pinion mesh adjustment.-ANSWER-D ) rack to pinion
mesh adjustment.
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After washing tapered roller bearings with solvent:
A ) spin them dry with compressed air.
B ) compressed air should not be used.
C ) wipe them dry with a shop towel.
D ) blow them dry without spinning.-ANSWER-D ) blow them
dry without spinning.
The function of the frame is to:
A ) support the suspension components.
B ) protect the occupants.
C ) keep the wheels in their proper positions.
D ) perform all of the above.-ANSWER-D ) perform all of the
above.
Poor power steering assist during cold operation is caused by:
A ) low power steering fluid level.
B ) internal wear in the steering gear.
C ) internal wear in the power steering pump.
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D ) a loose power steering pump belt.-ANSWER-B ) internal
wear in the steering gear.
When the body of a vehicle continues to bounce after going
through a dip, it probably needs:
A ) new springs.
B ) less tire pressure.
C ) new stabilizer bushings.
D ) new shock absorbers.-ANSWER-D ) new shock absorbers.
Bump steer is caused by unequal:
A ) camber change.
B ) toe change.
C ) caster change.
D ) tie rod adjustment.-ANSWER-B ) toe change.
After adjusting toe, tie rods must be positioned correctly before
tightening the adjusters in order to:
SOS MECHANIC CERTIFICATION SUSPENSION & STEERING TEST
2025-2026 QUESTIONS AND CORRECT ANSWERS CURRENTLY
TESTING /ALREADY GRADED A+
One advantage of an air suspension is that:
A ) ride height is controlled automatically.
B ) it is cheaper to build and maintain.
C ) tire imbalance ceases to be a problem.
D ) all of the above.-ANSWER-A ) ride height is controlled
automatically.
The vehicle thrust line is determined by the:
A ) rear toe.
B ) tracking.
,2|Page
C ) turning radius.
D ) front toe.-ANSWER-B ) tracking.
The invisible line drawn through the centre of the upper and
lower ball joints on a conventional steering vehicle is known as
the:
A ) steering axis.
B ) datum line.
C ) reference line.
D ) line of caster.-ANSWER-A ) steering axis.
The rack bearing adjustment on a rack and pinion power
steering gear provides:
A ) worm bearing preload.
B ) sector shaft end play.
C ) high spot adjustment.
D ) rack to pinion mesh adjustment.-ANSWER-D ) rack to pinion
mesh adjustment.
,3|Page
After washing tapered roller bearings with solvent:
A ) spin them dry with compressed air.
B ) compressed air should not be used.
C ) wipe them dry with a shop towel.
D ) blow them dry without spinning.-ANSWER-D ) blow them
dry without spinning.
The function of the frame is to:
A ) support the suspension components.
B ) protect the occupants.
C ) keep the wheels in their proper positions.
D ) perform all of the above.-ANSWER-D ) perform all of the
above.
Poor power steering assist during cold operation is caused by:
A ) low power steering fluid level.
B ) internal wear in the steering gear.
C ) internal wear in the power steering pump.
, 4|Page
D ) a loose power steering pump belt.-ANSWER-B ) internal
wear in the steering gear.
When the body of a vehicle continues to bounce after going
through a dip, it probably needs:
A ) new springs.
B ) less tire pressure.
C ) new stabilizer bushings.
D ) new shock absorbers.-ANSWER-D ) new shock absorbers.
Bump steer is caused by unequal:
A ) camber change.
B ) toe change.
C ) caster change.
D ) tie rod adjustment.-ANSWER-B ) toe change.
After adjusting toe, tie rods must be positioned correctly before
tightening the adjusters in order to:
