The above alignment setting would results in which of following conditions - Answer-Right tire wear on the inside, vehicle pulls to the left
Reason: the vehcile will always pill to the side with (+) camber
A driver says that the front end of his car vibrates up-and-down while traveling at mos...
SUSPENSION AND STEERING QUESTIONS AND ANSWERS
The above alignment setting would results in which of following conditions - Answer-
Right tire wear on the inside, vehicle pulls to the left
Reason: the vehcile will always pill to the side with (+) camber
A driver says that the front end of his car vibrates up-and-down while traveling at most road speeds . Technician A says that too much runout of the front wheels could be the cause. Technician B says that static out-of-balance of the front wheels could be the cause. Who is right ? - Answer-Both A & B
Reason: to much runout , or out of balance conditions can cause a vibration
A vehicle has front wheel shimmy at low speed and requires increased steering effort. Technician A says that too much (+) camber could be the cause. Technician B says that
too much (+) caster could be the cause. Who is right ? - Answer-Technician B only
All of these could cause tire wear if not within manufacturer's specs EXPECT: - Answer-
Caster
A vehicle with variable assist power steering has a lack of power assist in both directions. Technician A says that the problem is in the electronic control system. Technician B says that there could be a problem in the steering gear or a bad power steering pump. Who is right? - Answer-Technician B
A customer complains that a vehicle wanders on a bunny road and needs continual driver correction to stay straight . What could be wrong ? - Answer-•excessive negative from caster •insufficient front toe •rear on front bump steer
While aligning a front end, a technician finds the toe-out on turns ( turning radius) to be greater than manufacturers spec and its has 2.0 degrees difference from the left side to the right side. Which, if any , of the following could be the cause ? - Answer-Both B& C •bent pitman arm
•bent tie-rod
Reason: toe-out on turns or SAI. If their out of spec means their something bent in front end . In this case , it might be bent pit-man arm or tie rod
When checking a tire, a technician finds it to have too much radial (up-and-down) runout. Technician A says to rotate the tire and wheel assembly on the mounting studs to correct the problem. Technician B says to rotate the tire on the wheel assembly to attempt to bring the runout within specifications. Who is right? - Answer-Technician B only
Reason: to fix tire runout. It's possible to rotate the tire on the rim to compensate for high & low spots
If you readjust camber on the left front strut, which, if any, of of these specification might
change? - Answer-Left toe and total toe
Reason : when your readjust camber or caster it affects toe
Too much caster on the left wheel will cause the ? - Answer-Vehicle to drift to the right Reason: vehicle will steer or drift to the side with the least amount of camber
The suspension shown above is being checked for ball joint wear. Technician A says that the inspection can be made with the front end supported a point X. Technician B says that the inspection can be performed with the front end supported at point Y. Who is right? - Answer-Technician B only
Reason: when the spring goes to the lower control arm you have to unload the spring to
check the bolt joints for wear.
A pressure test is being 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 readings are normal when the tester shutoff valve is closed. The tester reading
are normal when the tester shutoff valve is closed . Technician A says that these readings could be caused by bad steering gear. Technician B says that a bad pump could cause these readings. Who is right ? - Answer-Technician A only
Reason: The electronic assist gives more assist at low speeds & less assist in night speeds . Including, a bad steering gear will cause low readings at both steering stops but readings would be normal with the shut off valve closed
A vehicle with a manual rack-and pinion steering gear has a shimmy. Technician A says
that worn rack-to-frame mounting bushings could be the cause. Technician B says that loose inner or outer tie-rod ends (sockets) could be the cause. Who is right ? - Answer-
Both A and B
Reason:Any looseness in the front end can cause a shimmy
The ball joints on McPherson strut-type suspension shown above are being replaced. Technician A says that a coil springs compressor should be installed before separating the control arm and the spindle. Technician B says that the wheel alignment should be checked after the ball joints have been replaced . Who is right ? - Answer-Technician B only
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