Suspension & steering Practice Test 4
Terms in this set (60)
Bleeding a power steering unit is generally done by
turning the steering wheel left and right repeatedly
After rounding a turn, the front wheels do not return to the straight ahead position in a normal way. What adjustment is most likely to be out of specifications?
"Toe" adjustment on front wheel drive vehicles is made by:
changing he length of the steering linkage
When performing a front-end alignment what should you do before you adjust the toe setting?
adjust the caster & camber
Front-wheel toe-in adjustment on rear-wheel drive vehicles is made by:
changing the length of the steering linkage
A mechanic is going to adjust the curb height on a car with torsion bars. To do this the car should be checked:
on a level surface with the car at curb weight
A proper way to check ball joints for wear is by:
visual observation of the wear indicator & unloading the ball joint and using a pry bar and a dial indicator
which of the following adjustments can be made on all vehicles with MacPherson strut suspensions?
You are checking the war on ball joints with a dial indicator at the wheel rim. What must you do to get accurate readings?
check the wheel bearing adjustment and correct if needed
A mechanic jacks up a car, stands facing it, places a hand on the front of each tire. The mechanic pushes out and then pulls in on both tires. Too much movement would most likely mean that:
the tie rod ends are worn
Which of the following should be checked first thing when doing a front-end alignment?
To counteract road crown, most manufacturers recommend that the left front wheel be adjusted to have:
Less positive (+) caster than the right
If the toe-in is too great, the tread will most likely show:
feathered edges on both front tires
When a wheel alignment is done on a car with front torsion bars, what should be checked and adjusted first?
Which of the following would be a typical automobile front end camber setting?
-3 degrees +/- 2 1/4 degrees
A mechanic finds that a front tire is worn on the inside of the tread only. The mechanic checks the air pressure and finds it correct. What is causing this problem?
The camber is set too negative
A car will pull to:
the side with the most positive (+) camber
One front tires shows spotty or isolated cupping and worn spots. What is the most likely cause of this problem?
An out-of-balance tire.
Before you remove a brake rotor from a hub, you should:
mark the position of the rotor
The front wheels shimmy or bounce above 40mpg, even on a smooth, straight road. The likely cause of this problem is:
Tires out of balance
While replacing a ball joint, you notice that the tapered hole in the steering knuckle is oval shaped. What should you do about this?
Inform the customer that the knuckle should be replaced.
If the upper ball joints are positioned ahead of the lower ball joints, the condition is:
What is true of most MacPherson type suspensions?
There is no upper control arm.
A mechanic has set caster, camber, and toe-in to specifications. On the road test afterwards, the mechanic notices that the steering wheel spokes are off center to the left. What should be done to fix this?
Adjust both tie rod sleeves equally to move the front wheels in the direction of the steering wheel error
Ball joints with wear indicators should be checked:
when loaded and by visual observation
Technician A says that flushing a power steering system is necessary whenever the fluid in the system is contaminated with water or solid particles. Technician B says the power steering system should be flushed whenever the fluid has a burnt odor. Who is correct?
Both A and B
There is a looseness in the steering column, which of these could cause this problem?
Loose steering column universal joints
Which of these could cause dangerous handling, uncomfortable ride, and noise due to excessive sideways body movement?
Broken rear track bar
A vehicle has unusual noises when it is jounced up and down, all of these could cause this problem except:
worn tie rod ends
Technician A says that incorrect tire pressure can cause a vehicle to pull. Technician B says that incorrect toe and caster alignment settings can cause the vehicle to pull. Who is correct?
Both A & B
Technician A says the spring eye bushings in a leaf spring may wear and can be replaced. Technician B says the interleaf separators of a multiple leaf spring can wear or move and may need replacement. Who is correct?
Both A & B
If the upper ball joint is positioned behind the lower ball joint, which of these describes the alignment condition?
Technician A says the tire wear pattern in the above illustration can result from incorrect toe settings. Technician B says the tire wear pattern can result from over inflation. Who is correct?
A vehicle equipped with struts and no provision for caster adjustments is out-of-spec on caster. Technician A says that a worn upper strut mount may be the cause. Technician B says that the caster angle may be able to be corrected by filling the strut mounting bolt holes and moving the location of the strut. Who is correct?
Both A & B
While setting the toe on a vehicle: Technician A centers and locks the steering wheel in place, then adjusts the toe to specifications. Technician B rotates an adjuster sleeve until the toe setting is correct. Who is correct?
Which of these correctly states when a power steering system should be bled?
When the fluid becomes aerated
While diagnosing a vehicle that has a tendency to bump steer, which of these should be checked first?
Technician A says the tires will wear prematurely if the vehicle's coil springs are weak or collapsed. Technician B says the alignment and steering angles will be affected if the vehicles coil springs are weak or collapsed. Who is correct?
Both A & B
Technician A says that while installing a front coil sprint, the insulator should be placed on top of the spring before the spring is placed into its lower seat. Technician B says that the end of the top coil should be lined up with the recess in the spring seat. Who is correct?
Both A & B
Which of these is NOT part of the normal procedure for replacing a front stabilizer bar?
Disconnect the tie-rod ends
Technician A says that a worn idler arm or its bushing should be replaced. Technician B says that an upper idler arm is replaced as a unit and that a lower idler arm normally has replaceable ball joint. Who is correct?
Which of these does NOT need to be checked prior to a wheel alignment?
Which of these can cause front wheel shimmy?
Loos steering linkage
Technician A says that most vehicles have a sleeve which must be loosened in order to rotate a tie rod end and adjust toe. Technician B says that non-rack and pinion steering systems use a threaded tie rod and a locking nut for toe adjustment. Who is correct?
Neither A nor B
Which of these would cause the tires to wear in the center of a tire tread?
over inflated tires
While balancing a tire on a dynamic type wheel balancer: Technician A places the needed weights 180 degrees apart from each other, one on the inside of the tire and the other on the outside. Technician B adds the needed weight at the point indicated by the balancer. Who is correct?
Which of the following is correct statements about the effects of the imbalance?
Static imbalance will cause wheel tramp
While removing a control arm: Technician A raises the vehicle and supports it on the frame. Technician B compresses the spring to remove all spring load from the control arm. Who is correct?
Both A & B
Which of these is not a possible cause for an increase in steering effort?
Worn ball joints
Which of these correctly states the purpose of the pop rivet found in some strut top plates?
The rivet secures the plate I position to maintain camber
A car pulls to the left, which of these could cause the problem?
Left front wheel has too much negative caster
Technician A says that when balancing a tire on the bubble balancer, the amount of weight needed to move the bubble to the center of the sight glass should be divided in half and each weight placed 180 degrees away from each other. Technician B says that when balancing a tire on a bubble balancer, the needed weight should be divided in two, and one half should be installed on the front of the wheel and the other half on the back of the wheel. Who is correct?
A tire wobbles from side to side, which of these could cause this problem?
Technician A says that an improperly centered control valve can cause unequal steering assist or self-steering in a power steering system. Technician B says that internal fluid leaks in the steering gear assembly can cause unequal steering assist or self-steering in a power steering system. Who is correct?
Both A and B
Technician A says that when rotating bias ply tires, they should be moved to the other side of the axle, left to right and right to left. Technician B says that when rotating radial tires, they should be rotated to the other axle, from front to rear and rear to front. Who is correct?
Which of these is NOT a correct method for adjusting tapered roller-type front wheel bearings on a RWD vehicle:
Tighten the adjusting nut until the wheel cannot be turned, then loosen it until the wheel can rotate
Technician A says that a bent center link can cause front-end shimmy and tire wear problems. Technician B says that a bent center link can cause caster and camber settings to be out of spec. Who is correct?
Which of these is a common way to adjust camber on a vehicle equipped with a strut suspension system?
Turn an eccentric cam bolt at the base of the strut
Which of the following is an effective way to check for a bent strut?
Compare the loaded and unloaded camber readings of the two front wheels
Technician A says to check wear of a loaded lower ball joint, a jack should be placed under the lower control arm to relieve the load from the joint. Technician B says that to check wear of a loaded upper ball joint, a spacer should be placed between the upper arm and frame and the jack placed under the frame. Who is correct
Both A & B
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