SOS MECHANIC CERTIFICATION-
SUSPENSION & STEERING BRAND NEW
ACTUAL EXAM WITH ANSWERS.
How to adjust toe on rack and pinion suspension, thus
changing the length of the steering linkage
Loosen the lock nut and turn the inner tierod
Loosen the locking sleeve nuts and rotate the adjusting
sleeve, thus changing the length of the steering linkage
How to adjust toe on a parallelogram system
An imaginary line that is drawn perpendicular from the
centerline of the rear axle, down the centerline of the vehicle
What is the thrust angle?
An out-of-position axle or incorrect toe setting
What is the cause of an off-set thrust angle?
Diagonal tire wear, pulling or drifting while driving and an off-
set steering wheel
What is the effect of an off-set thrust angle?
During low speed operation
When does variable assist power steering provide maximum
pressure?
During high speed operations
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When does variable assist power steering provide minimum
pressure?
Is Caster adjustable on all vehicles?
Caster is NOT adjustable on some vehicle
What are shim adjusted control arms used on?
Typically used on older RWD vehicles that contain front SLA
suspension
In what sequence should an alignment be performed?
Caster, camber, toe (in that order)
What is not a tire wearing angle?
Caster
What causes a steering wheel to return to center?
A normal positive caster angle
How does Caster effect which way a vehicle pulls
Vehicles will pull to the side with more negative caster
How does Camber effect which way a vehicle pulls
A vehicle will pull to the side with more positive camber
What is a typical camber angle
Close to zero to provide maximum tire contact with the road
How would you compensate toe for road crown?
Left side tire with slight toe out and right side tire with toe in
Bleeding a power steering unit is generally done by