Servicing The Suspension System
(160).jpg "Servicing The Suspension System")
Chapter 29
- 1.The _______________ connect(s) the wheels to the suspension and steering system.
- A.
Pitman arm
- B.
Inner tie rods
- C.
Steering knuckle
- D.
Idler arm
- 2.Tech A says MacPherson strut assemblies are often changed because the vehicle bounces too much on irregular roads. Tech B says on some models, the alignment must be checked after new MacPherson struts are installed. Who is right?
- A.
A. Tech A
- B.
B. Tech B
- C.
C. Both techs
- D.
D. Neither tech
- 3.The thrust angle on a front-wheel drive vehicle is more than specified, and the thrust line is positioned to the left of the geometric centerline. This problem could be caused by:
- A.
A. Excessive toe-out on the left rear wheel
- B.
B. Excessive toe-out on the right rear wheel
- C.
C. Excessive positive camber on the left rear wheel
- D.
D. Excessive wear in the left rear lower ball joint
- 4.A four wheel drive vehicle suffers from excessive road shock at the steering wheel while driving on irregular road surfaces. Tech a says the power steering gear spool valve may be damaged. Tech B says the steering damper may be worn out. Who is right?
- A.
A. Tech A
- B.
B. Tech B
- C.
C. Both techs
- D.
D. Neither tech
- 5.A vehicle has excessive body swat while cornering. All of the following defects could be the cause of the problem EXCEPT:
- A.
A. A worn strut rod bushing
- B.
B. A weak stabilizer bar
- C.
C. A worn stabilizer bar bushing
- D.
D. A broken stabilizer link
- 6.When unloading the ball joints on a front suspension with the coil spring located between the lower control arm and the frame:
- A.
A. A safety stand must be placed under the chassis
- B.
B. The shock absorber must be disconnected
- C.
C. The sway bar link bushings must be disconnected
- D.
D. A safety stand must be placed under the lower control arm
- 7.A vehicle has excessive inside tire wear on the right rear tire. The cause of this problem could be:
- A.
A. A bent rear spindle
- B.
B. Excessive negative caster
- C.
C. Excessive positive camber
- D.
D. Worn out front struts
- 8.All of the following statements about caster adjustment are true EXCEPT:
- A.
A. The caster angle is measured with the front wheels straight ahead
- B.
B. The front wheels are turned a specified number of degrees left and right to read the caster angle
- C.
C. The brakes must be applied with a brake pedal depressor before reading the caster angle
- D.
D. The front suspension should be jounced several times before reading the caster angle
- 9.While performing an alignment on a front wheel drive vehicle, the technician notices that caster is out of specification and that caster is not adjustable on the vehicle. Which of the following should the tech do first?
- A.
A. Replace both front strut assemblies
- B.
B. Heat and bend the lower control arms
- C.
C. Check the cradle(subframe) alignment
- D.
D. Measure thrust angle
- 10.A vehicle pulls to the left while driving straight ahead. The cause of the problem could be:
- A.
A. Inadequate caster on the left front wheel
- B.
B. Excessive positive caster on the left front wheel
- C.
C. Excessive toe in
- D.
D. Improper toe out on turns on the right front wheel
- 11.Two technicians are discussing testing shock absorbers. Technician A says if the vehicle is leaning to one side it needs new shocks. Technician B says that a good way to test shock absorbers is to perform the bounce test. If the vehicle bounces less than 5 times, the shock absorbers are fine. Who is correct?
- A.
Technician A only
- B.
Technician B only
- C.
Both Technician A & Technician B
- D.
Neither Technician A or Technician B
- 12.Two technicians are discussing suspension springs. Technician A says that vehicles with leaf springs need control arms or struts to prevent lateral movement of the axle. Technician B says that vehicles with coil springs need control rods or struts to prevent lateral movement. Who is correct?
- A.
Technician A only
- B.
Technician B only
- C.
Both Technician A & Technician B
- D.
Neither Technician A or Technician B
- 13.Tech A says that the steering column transfers the linear movement of the steering wheel to the steering knuckle. Tech B says that the steering wheel transmits the driver's steering effort from the steering wheel to the steering box. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 14.The _______________ connect(s) the wheels to the suspension and steering system.
- A.
Pitman arm
- B.
Inner tie rods
- C.
Steering knuckle
- D.
Idler arm
- 15.The __________ connects the pitman arm to the idler arm.
- A.
Center link
- B.
Drag link
- C.
Both A and B
- D.
None of the above
- 16.Tech A says that the main problems in the power steering system are play and leaks. Tech B says that the main problems in the power steering system are play and hard steering. Who is correct?
- A.
Tech A
- B.
Tech B
- C.
Both Techs A and B
- D.
Neither Tech A nor B
- 17.The power steering pump reservoir is:
- A.
Mounted to the pump
- B.
Remotely mounted
- C.
Both A and B
- D.
None of the above
- 18.A tie rod on each side of the vehicle connects each ______________ to the center link.
- A.
Control arm
- B.
Wheel assembly
- C.
Idler arm
- D.
Pitman arm
- 19.What could cause air bubbles in the power steering fluid?
- A.
A. Checking the fluid before it reached operating temperature
- B.
B. Overheated fluid
- C.
C. Engine idling too fast
- D.
D. Low fluid level
- 20.True or False. When a radial tire bulges on the sidewall, this means that the tire is underinflated all the time.
- A.
True
- B.
False
- 21.All of the following are functions of the automotive suspension system EXCEPT:
- A.
Helps provide a smooth ride for passengers
- B.
Keeps tires in firm contact with the road
- C.
Allows the front wheels to turn from side to side for steering
- D.
Allows the body to tilt when heavily loaded
- 22.Tech A says an automotive suspension system works with the steering system to help keep the wheels in correct alignment. Tech B says an automotive suspension system works independently of the steering system and has no effect on the wheel alignment. Who is right?
- A.
Tech A
- B.
Tech B
- C.
Both techs
- D.
Neither tech
- 23.Tech A says a torsion bar fastens to the vehicle's frame. Tech B says a torsion bar fastens to the suspension system control arm. Who is right?
- A.
Tech A
- B.
Tech B
- C.
Both techs
- D.
Neither tech
- 24.Tech A says to inspect the upper control arm ball joint on a MacPherson strut suspension system, the system must be unloaded. Tech B says to inspect the lower ball joint on a MacPherson strut suspension system, the lower ball joint must be unloaded. Who is right?
- A.
Tech A
- B.
Tech B
- C.
Both techs
- D.
Neither tech
- 25.The unsprung mass of a vehicle refers to the:
- A.
Mass supported by the springs.
- B.
Mass of the springs.
- C.
Mass of the wheel and brake assemblies.
- D.
Mass of the top part of the suspension.
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