ASE T5 Steering & Suspension Practice Test #2
– 2026 Updated Questions & Answers
The most common type of power steering hydraulic pump used on most Class 8 trucks/ tractors
equipped with power steering systems is:
A. Gear.
B. Vane.
C. Plunger.
D. Centrifugal. - correct answers -Answer A is incorrect. Gear pumps are most common on large, off-
highway applications.
Answer B is correct. The two most common types are roller pumps and vane pumps.
Answer C is incorrect. Plunger is not a type of power steering pump used in truck/ tractor
applications.
Answer D is incorrect. Centrifugal is not a type of power steering pump used in truck/ tractor
applications.
Technician A says to inflate mounted tires in a safety cage or using a portable lock ring guard.
Technician B says to first mount the tire on the truck, then inflate to the proper tire pressure.
Who is right?
A. A only
B. B only
C. Both A and B
D. Neither A nor B - correct answers -Answer A is correct. Only Technician A is correct. You must inflate
mounted tires in a safety cage or using a portable lock ring guard.
1
,Answer B is incorrect. You do not mount the tire on the truck before inflation because an improperly
fitted rim ring could dislodge, causing injury.
Answer C is incorrect. Only Technician A is correct.
Answer D is incorrect. Technician A is correct.
While performing an inspection on a heavy-duty tractor, the technician finds the frame rail buckled.
Which of the following might be the cause for this condition?
A. Too many holes drilled in the frame
B. Extreme operating conditions
C. The wrong bolts used in a repair
D. A vehicle collision - correct answers -Answer A is incorrect. Drilling many holes in a frame will weaken
it and allow sag to take place.
Answer B is incorrect. Extreme operating conditions such as overloading can also cause sag.
Answer C is incorrect. The wrong bolts used in a frame repair can cause sag due to a release of the
reinforcement strength of the repair.
Answer D is correct. A collision can produce the end forces on a frame that would be required to cause a
buckling upward of the frame.
Camber may be defined as:
A. The forward or rearward tilt of the kingpin at the top.
B. The tracking angle of the tires from a true straight-ahead track.
C. The inward or outward tilt of the top of the wheel when viewed from the front of the vehicle.
D. The amount in degrees that the top of the kingpin inclines away from vertical as viewed from the
front of the vehicle. - correct answers -Answer A is incorrect. The forward or rearward tilt of the kingpin
at the top is caster.
Answer B is incorrect. The tracking angle of the tires from a true straight-ahead track is toe.
2
, Answer C is correct. Camber is the inward or outward tilt of the top of the wheel when viewed from the
front of the vehicle.
Answer D is incorrect. The amount in degrees that the top of the king-pin inclines away from vertical as
viewed from the front of the vehicle is KPI.
A technician finds that the power steering system is overheating. This condition may be caused by all of
the following EXCEPT:
A. A loose steering shaft flex joint.
B. Underlubricated ball joints.
C. A kink or pinch in the fluid return line.
D. Blocked airflow across the heat exchanger. - correct answers -Answer A is correct. A steering shaft
flex joint is the flexible connector joint between the steering shaft and the steering gear. Being loose,
the flex joint would not cause the power steerng to overheat.
Answer B is incorrect. Underlubricated ball joints in the steering joints could make the wheels hard to
turn, causing the power steering to work harder and overheat.
Answer C is incorrect. A blocked or restricted fluid return line would hinder the fluid flow to the power
steering heat exchanger, reducing its ability to dissipate the heat from the fluid.
Answer D is incorrect. Blocked airflow across the heat exchanger would not allow dissipation of heat
from the fluid
Suspension components are replaced on a medium-duty truck with single-air-valve rear air suspension.
Technician A says a tape measure can be used to measure from a frame straightedge to the drive axle.
Technician B says if the distance from the axle to a fixed straightedge is different on each side of the
suspension, one of the front equalizing beam bushings may be worn. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B - correct answers -Answer A is incorrect. A tape measure cannot be used to measure
from a frame straightedge to the drive axle. A trammel bar should be used.
3
– 2026 Updated Questions & Answers
The most common type of power steering hydraulic pump used on most Class 8 trucks/ tractors
equipped with power steering systems is:
A. Gear.
B. Vane.
C. Plunger.
D. Centrifugal. - correct answers -Answer A is incorrect. Gear pumps are most common on large, off-
highway applications.
Answer B is correct. The two most common types are roller pumps and vane pumps.
Answer C is incorrect. Plunger is not a type of power steering pump used in truck/ tractor
applications.
Answer D is incorrect. Centrifugal is not a type of power steering pump used in truck/ tractor
applications.
Technician A says to inflate mounted tires in a safety cage or using a portable lock ring guard.
Technician B says to first mount the tire on the truck, then inflate to the proper tire pressure.
Who is right?
A. A only
B. B only
C. Both A and B
D. Neither A nor B - correct answers -Answer A is correct. Only Technician A is correct. You must inflate
mounted tires in a safety cage or using a portable lock ring guard.
1
,Answer B is incorrect. You do not mount the tire on the truck before inflation because an improperly
fitted rim ring could dislodge, causing injury.
Answer C is incorrect. Only Technician A is correct.
Answer D is incorrect. Technician A is correct.
While performing an inspection on a heavy-duty tractor, the technician finds the frame rail buckled.
Which of the following might be the cause for this condition?
A. Too many holes drilled in the frame
B. Extreme operating conditions
C. The wrong bolts used in a repair
D. A vehicle collision - correct answers -Answer A is incorrect. Drilling many holes in a frame will weaken
it and allow sag to take place.
Answer B is incorrect. Extreme operating conditions such as overloading can also cause sag.
Answer C is incorrect. The wrong bolts used in a frame repair can cause sag due to a release of the
reinforcement strength of the repair.
Answer D is correct. A collision can produce the end forces on a frame that would be required to cause a
buckling upward of the frame.
Camber may be defined as:
A. The forward or rearward tilt of the kingpin at the top.
B. The tracking angle of the tires from a true straight-ahead track.
C. The inward or outward tilt of the top of the wheel when viewed from the front of the vehicle.
D. The amount in degrees that the top of the kingpin inclines away from vertical as viewed from the
front of the vehicle. - correct answers -Answer A is incorrect. The forward or rearward tilt of the kingpin
at the top is caster.
Answer B is incorrect. The tracking angle of the tires from a true straight-ahead track is toe.
2
, Answer C is correct. Camber is the inward or outward tilt of the top of the wheel when viewed from the
front of the vehicle.
Answer D is incorrect. The amount in degrees that the top of the king-pin inclines away from vertical as
viewed from the front of the vehicle is KPI.
A technician finds that the power steering system is overheating. This condition may be caused by all of
the following EXCEPT:
A. A loose steering shaft flex joint.
B. Underlubricated ball joints.
C. A kink or pinch in the fluid return line.
D. Blocked airflow across the heat exchanger. - correct answers -Answer A is correct. A steering shaft
flex joint is the flexible connector joint between the steering shaft and the steering gear. Being loose,
the flex joint would not cause the power steerng to overheat.
Answer B is incorrect. Underlubricated ball joints in the steering joints could make the wheels hard to
turn, causing the power steering to work harder and overheat.
Answer C is incorrect. A blocked or restricted fluid return line would hinder the fluid flow to the power
steering heat exchanger, reducing its ability to dissipate the heat from the fluid.
Answer D is incorrect. Blocked airflow across the heat exchanger would not allow dissipation of heat
from the fluid
Suspension components are replaced on a medium-duty truck with single-air-valve rear air suspension.
Technician A says a tape measure can be used to measure from a frame straightedge to the drive axle.
Technician B says if the distance from the axle to a fixed straightedge is different on each side of the
suspension, one of the front equalizing beam bushings may be worn. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B - correct answers -Answer A is incorrect. A tape measure cannot be used to measure
from a frame straightedge to the drive axle. A trammel bar should be used.
3
