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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 coul...

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  • January 8, 2024
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  • 2023/2024
  • Exam (elaborations)
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  • ase a4 practice test questions and answers 100 pa

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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 could be the cause. Who is right? A. Tech A only B. Tech B only C. Both A an d 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 m uch 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 D. Neither A or B - Answer ✔️✔️-B. Excessive positive caster will increase steering effort, cau se 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 o n 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 i n 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. 6. A customer comp lains 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. Excessiv e 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 manufactur er'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 t he problem. Tech 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 th ese 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, ca ster 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 C. vehicle to drift to the right D. left tire to wear on the inside edge. - Answer ✔️✔️-C. A vehicle will tend to steer or drift to the side with the least amount of caster. Caster will not cause tire wear, but excessive camber will cause wear to the inside of outside shoulders of a tire. 12. A pressure test is bei ng performed on a car with power steering. The pressure readings taken when the wheels are at the right and left stops are below specs. The tester readings are normal when the tester shutoff valve is closed. tech A says that these readings could be caused by a bad steering gear. tech B says that a bad pump could cause these readings. Who is right? A. Tech A Only B. Tech B Only C. Both A and B D. neither - Answer ✔️✔️-A. A bad steering gear would cause the readings to be low when the steering is at the right and left stops, but the readings would be normal with the tester shutoff valve closed. 13. a vehicle with a manual rack and pinion steering gear has a shimmy. Tech A says that worn rack to frame mounting bushings could be the cause. tech B says that loose inner or outer tie rod ends (sockets) could be the cause. Who is right? - Answer ✔️✔️-C. Both Techs are right. Steering play or looseness m ay occur if the rack to frame mounting bushings are worn, or if the inner or outer tie rod ends are loose. both of these conditions can result in a shimmy. 14. The ball joints on a Macpherson strut - type suspension are being replaced. Tech A says that coil spring compressor should be installed before separating the control arm and the spindle. Tech B says that the wheel alignment should be checked after the ball joints have been replaced. Who is right? A. tech A Only B. Tech B Only

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