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ASE A4 practice test Questions and answers |100% pass
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ASE A4 practice test Questions and answers |100% pass 2. A driver says that the front end of his car vibrates up and down while traveling at most road speeds. Tech A says that too much runout of the front wheels could be the cause. Tech B says that a static out of balance of the front wheels co...

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  • October 15, 2024
  • 40
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ase a4 practice test questions and answers 100 p

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EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024




ASE A4 practice test Questions and
answers |100% pass

2. A driver says that the front end of his car vibrates up and down while traveling at most road

speeds. Tech A says that too much runout of the front wheels could be the cause. Tech B says

that a static out of balance of the front wheels could be the cause. Who is right?


A. Tech A only


B. Tech B only


C. Both A and B


D. Neither A or B - Answer✔✔-C. Both Techs are right. Too much runout or static out of balance

in the front wheels will cause a vibration


3. A vehicle has front wheel shimmy at low speed and requires increased steering effort. Tech A

says that too much positive camber could be the cause. Tech B says that too much Positive

caster could be the cause. Who is right?


A Tech A only


B. Tech B only


C. Both A and B




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,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


D. Neither A or B - Answer✔✔-B. Excessive positive caster will increase steering effort, cause the

steering wheel to return too rapidly. cause wander at high speed and shimmy at low speed.


4. All of these could cause tire wear if not within manufacturer's Specs EXCEPT:


A. Caster


B. Wheel balance


C. Toe-In


D. Camber - Answer✔✔-A. Caster that is out of spec will affect steering and handling

characteristics, but will not cause tire wear. Whereas, too much toe in or out would severely

wear the tires. Additionally, excessive camber would cause inside or outside shoulder wear on

the tire, depending on whether the camber was too negative or positive.


5. A vehicle with variable assist power steering has a lack of power assist in both directions.

Tech A says That the problem is in the electronic control system. Tech B says that there could be

a problem in the steering gear or a bad power steering pump. Who is right?


A. Tech A only


B. Tech B only


C. Both A and B


D. Neither A or B - Answer✔✔-B. Although further diagnosis will be necessary, Tech B is right.

Tech A is wrong because, when there is a malfunction in a variable assist power steering system,

the system will allow full power steering.


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,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


6. A customer complains that a vehicle wanders on a bumpy road and needs continual driver

correction to stay straight. What could be Wrong?


A. Excessive negative front caster


B. Insufficient front toe


C. Rear or front bump steer


D. All of the above - Answer✔✔-D. Excessive negative caster, insufficient front toe, and front or

rear bump steer could cause a vehicle to wander on a bumpy road.


7. While aligning a front end, a technician finds the toe out on turns (turning Radius) to be

greater than the manufacturer's Specs and it has 2.0 degrees difference from the left side to the

right side. Which, if any, of the following could be the cause?


A. Nothing is wrong; the vehicle has a non symmetrical steering design.


B. Bent pitman arm


C. bent tie-rod


D. Both B and C - Answer✔✔-D. either a bent pitman arm or a tie rod could cause the

specifications for the toe out on turns to be out of spec. Vehilces with non symmetrical steering

systems will have a difference from side to side, but the difference will not exceed the

manufacturer's specs and it rarely has a greater than 1.5 degrees difference from side to side.


8. When checking a tire, a tech find it to have too much radial (up and down) runout. Tech A

says to rotate the tire and wheel assembly on the mounting studs to correct the problem. Tech


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, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


B says to rotate the tire on the wheel assembly to attempt to bring the runout within specs.

Who is right?


A. Tech A Only


B. Tech B Only


C. Both A and B


C. Neither - Answer✔✔-B. Rotating the tire on the wheel will compensate for wheel/tire

differential (positioning the highest spot on the tire at the lowest spot on the wheel.) Whereas',

rotating the wheel assembly on the mounting studs will have no effect on runout.


9. If you readjust camber on the left front strut, which, if any, of these specs might change


A. Right caster


B. Left toe and total toe


C. SAI


D. None of the above. - Answer✔✔-B. Readjusting camber will have an affect on the individual

toe for the left wheel as well as the total toe. SAI is not adjustable and generally, caster is not

adjustable either on a strut suspension.


10. Too much caster on the left front wheel will cause the __________


A. vehicle to drift to the left


B. Left tire to wear on the outside edge



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