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ASE A4 Steering and Suspension QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES 2025/2026 (VERIFIED ANSWERS) |ALREADY GRADED A+£10.55
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A car geared up with power guidance pulls (leads) to the left after a proper alignment. Which of
the following is the maximum possibly motive?
A. A electricity guidance tools
B. Power guidance pump
C. Pitman arm
D. All 4 tires overinflated - ANS-A energy steering equipment can motive a automobile to drag
or lead. To diagnose this issue, jack the automobile up and relaxed on jack stands with the tires
inside the immediately ahead position. Start the car and watch for the the front wheels to
self-steer. If the guidance device turns the wheels on its own, the guidance tools container is
faulty.
A composite leaf spring is being set up in a vehicle. Which of the subsequent is accurate?
A. The spring can be established the use of a pry bar.
B. The spring may be compressed with vise grips.
C. The spring should be painted after installation.
D. The spring have to now not be scratched all through installation. - ANS-The spring should
now not be scratched in the course of set up. The spring desires to be dealt with with care. If the
spring is dented or scratched, it is going to be weakened and destroy.
A composite leaf spring is being changed on a automobile. Which of the following is a statement
about this manner?
A. The spring ought to be lubricated previous to set up
B. The spring must first be compressed in a store press
C. Care have to be taken not to scratch the spring
D. The spring may be hooked up with either facet up - ANS-The spring should no longer be
scratched or damaged in any manner. This will weaken the spring and cause untimely failure.
A patron complains of a popping noise at the same time as turning the steerage wheel. Which of
the subsequent is the most probably reason?
A. Rear shock mounts
B. Rear toe adjusters
C. Front surprise mounts
D. Front tie rods - ANS-Front tie rods. Worn front tie roads can make a popping noise while the
steering wheel is rocked from side to side.
A customer complains of a vibration simplest at the same time as braking. Technician A says the
wheel lug nuts may also had been overtorqued. Technician B says the the front wheel may be
bent. Who is correct? - ANS-Only Technician A is accurate. Overtorqued wheel lug nuts can
warp a rotor and reason a vibration at the same time as braking.
A customer had asked that the rear struts get replaced on their vehicle. The automobile has
McPherson strut unbiased rear suspension. Which of the subsequent is true?
A. The strut bearings have to additionally be replaced
B. The rear springs ought to additionally get replaced
,C. The alignment should be corrected prior to substitute
D. The rear alignment ought to be checked after installation - ANS-Replacing the struts will
affect the rear alignment and the alignment have to be checked after set up.
A client has a problem approximately low power assist all through parallel park maneuvers. The
technician verifies the priority and notes a growling noise coming from the pump. Which of the
following is the maximum probably reason of the priority?
A. Loose power guidance belt
B. Low electricity steerage fluid
C. Internally constrained electricity steering fluid cooler
D. Externally confined energy guidance fluid cooler - ANS-Low strength guidance fluid. A low
fluid stage may want to reason this condition.
A customer has a noise subject coming from the rear of the vehicle. Any of these could be the
cause EXCEPT:
A. Worn rear wheel bearings
B. Rear tires out of balance
C. Missing spring separators
D. Worn spring eye bushings - ANS-Rear tires out of balance would motive a vibration however
now not a noise.
A customer has an occasional hard guidance difficulty which seems to be more not unusual
whilst it's miles raining. Which of the subsequent is the most likely motive?
A. Low fluid degree
B. Faulty energy guidance strain switch
C. Loose energy steering pump belt
D. Low tire pressure - ANS-A unfastened strength steering pump belt will slip more whilst moist,
causing hard guidance.
A client is involved that it takes increasing effort to influence the automobile. Which of the
following might be the cause?
A. Worn guidance column bushing
B. Seized steering column U-joint
C. Worn tie rod quit
D. Loose loafer arm - ANS-When the bearings in a U-joint fail, they will often "freeze." This will
result in a binding guidance system, because the needle bearings will not journey around the
trunnion commonly. This problem is frequently misdiagnosed as a vulnerable electricity steering
pump.
A customer is worried that the rear suspension sags when there are passengers inside the rear
seats. Which of the subsequent is the most likely reason?
A. Weak shocks
B. Worn sway bar
C. Worn jounce bumpers
D. Weak springs - ANS-Springs manipulate ride peak. Weak springs ought to allow the vehicle
to sit particularly low when a load is in the rear of the car.
A consumer says that the steerage wheel turns more turns to the left than the proper. Which of
the subsequent is the LEAST LIKELY reason?
A. Incorrectly timed guidance gear
, B. Bent pitman arm
C. Faulty electricity steering pump
D. Bent tie rod - ANS-Faulty strength steering pump. A faulty power steerage pump could no
longer change the connection among the steerage wheel and the steering stops.
A customer says their vehicle makes greater noise on asphalt than on concrete street surfaces.
Which of the following could be the reason?
A. Front wheel bearing put on
B. Rear wheel bearing wear
C. Aggrresive tire tread styles
D. Incorrect alignment angles - ANS-Aggressive tire tread styles. Tires with very competitive
tread patterns are noisy. This noise will range with special sorts of finish on the street surface.
A 4-wheel alignment is being achieved on a vehicle. Thrust perspective wishes to be corrected.
Which adjustment is made to adjust the thrust perspective.
A. Rear camber
B. Rear toe
C. Front camber
D. Front toe - ANS-Rear toe. Thrust attitude is the angle fashioned by using the thrust line and
the geometric center line. In order to modify thrust perspective, the technician must adjust the
rear toe.
A 4-wheel force car with oversized tires and rims has a shimmy after hitting a bump. A dry park
inspection has been performed and the alignment has been checked. No troubles were
diagnosed. Which of the subsequent might most probable restore the priority?
A. Installation of a steering damper
B. Adjust the caster 2 tiers high quality from the authentic caster specs
C. Adjust the caster 2 stages poor from the original caster specifications
D. Installation of a energy steerage cooler - ANS-Installing a steering damper will assist
accurate a the front-wheel shimmy due to oversized tires and wheels.
A the front-wheel force car makes a loud clunk on initial acceleration. Any of these could be the
purpose EXCEPT:
A. Worn internal CV joint
B. Worn rack mount bushings
C. Worn control arm bushings
D. Loose cradle mounting bolts - ANS-Worn rack mount bushings can make noise whilst the
steerage wheel is turned, but acceleration would now not motive them to make noise.
A lower ball joint is being inspected on a front suspension. The front coil spring is positioned
among the frame and the decrease manipulate arm. Where should the jack stand be
positioned?
A. Under the decrease manipulate arm
B. Under the top control arm
C. Under the frame
D. Under the rear cradle - ANS-Under the lower manage arm. The jack stand need to be placed
underneath the lower control arm to dump the ball joint for inspection.
A new composite leaf spring is being established. Which of the following is real?
A. The spring have to be covered with a penetrant prior to installation
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