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steering and suspension Questions with 100% correct answers verified latest update 2024
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steering and suspension Questions with 100% correct answers verified latest update 2024
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suspension and steering✅✅
The powdery substance released from the air bag when it is deployed is sodium
hydroxide, which can cause skin irritation. - -True
✅✅
The air bag diagnostic monitor supplies back-up power to the air bag module in the
event that the battery or cables are damaged during the accident. - -true
Second-generation air bags may contain two explosive charges. - ✅✅-true
✅✅
When servicing the steering wheel or column, disconnect and remove the
clockspring to make sure it is in good shape before reusing it. - -True
An undeployed air bag is being replaced because the trim cover is cut. Technician A
✅✅
says the cover can be replaced. Technician B says the air bag must be deployed
before it is scrapped. Who is right? - -B only
Technician A says a pyrotechnic-type retractor prevents the belt from coming out of
the retractor when there is a sudden pull on the belt. Technician B says an inertia
✅✅
lock retractor uses an explosive charge to quickly tighten the belt at the start of a
crash. - -Neither a or b
All of the following are common air bag crash sensor types EXCEPT: - ✅✅-half
effect type
The purpose of the air bag diagnostic monitor is to ______. - ✅✅-supply backup
power to the system
determine whether there is a fault in the system
control the operation of the air bag warning light
✅✅
When servicing the steering wheel or column, disconnect and remove the
clockspring to make sure it is in good shape before reusing it. - -false
Vehicle-sensitive seat belt retractors are being discussed. Technician A says the
vehicle must be driven at 5 to 8 MPH to test the action of the retractors. Technician B
✅✅
says the retractors should lock when the brakes are applied at speeds above 8 MPH
and release when the vehicle slows to less than 8 MPH. Who is correct? - -A
only
Second-generation air bag systems are being discussed. Technician A says a
second-generation air bag inflates with about 20 to 35 percent more energy than
✅✅
first-generation ones. Technician B says second-generation air bags reduce the
number of injuries caused by the air bag itself. Who is correct? - -b only
, ✅✅
The wiring harness and electrical connectors for the air bag system components are
______. - -yellow
A pretensioner may use an explosive charge to retract the seat belt. - ✅✅-true
Technician A says when the SIR warning light is illuminated all the time, there is a
fault code stored in the SIR control module. Technician B says if the warning light is
✅✅
on, the air bag system is turned off and the air bag will not deploy in an accident.
Who is correct? - -Both A and B
The side impact air bags deploy at the same time as the front air bags. - ✅✅-false
Technician A says that air bag systems may use up to five sensors. Technician B
✅✅
says all sensors are located in the passenger compartment. Who is correct? -
-A only
A live air bag must be deployed before disposal. - ✅✅-True
If a seat belt will not buckle, ______. - ✅✅-use a flashlight to check the buckle for
foreign objects
✅✅
To prevent accidental deployment, most air bag systems require that at least _____
sensor switches are closed before an air bag can be deployed. - -2
Which of the following is NOT a kind of safing sensor? - ✅✅-piezoresistive type
Technician A says that an air bag module is serviced as an assembly. Technician B
✅✅
says that it is acceptable to replace all the sensors if one is damaged. Who is
correct? - -both A and B
✅✅
When placing a live air bag module on a table or bench, make sure the trim and air
bag face up. - -True
Technician A says that the air bag control module contains the clockspring and the
inflator. Technician B says that the air bag sensing diagnostic monitor assembly
✅✅
(ASDM) supplies emergency current to the system if battery voltage is lost. Who is
correct? - -B only
✅✅
Side head protection air bags stay inflated for about five seconds to offer protection
against a second or third impact. - -True
, Rack and pinion steering systems are being discussed. Technician A says they do
✅✅
not require inner tie-rod ends. Technician B says they require two outer tie-rod ends.
Who is correct? - -b only
Hard steering could be caused by ______. - ✅✅-inadequately inflated tires
a loose power steering belt
restricted power-steering lines or hoses
Which is the least likely cause of hard steering? - ✅✅-Loose steering column
U-joint
Worn tie-rod ends can result in ______. - ✅✅-scalloped and scuffed tires
tire squeal on turns
wheel shimmy
Which of the following is NOT a probable cause of wheel shimmy? - ✅✅-binding
steering column U-joints
Steering dampers are being discussed. Technician A says a light film of fluid is
✅✅
permissible on the body of the damper near the shaft seal. Technician B says
steering dampers can be repaired and refilled. Who is correct? - -A only
✅✅
The only steering linkage parts used in a rack-and-pinion system are the _____. -
-tie rods
What is the primary purpose of power steering hoses? - ✅✅-to transmit
pressurized fluid power
Active steering systems are being discussed. Technician A says active steering
improves vehicle stability by turning the wheels more or less sharply than
✅✅
commanded by the steering wheel. Technician B says the system allows for a
variable steering ratio dependent on vehicle speed. Who is correct? - -Both A
and b
✅✅
In a rack-and-pinion steering system, the rack is the steering input and drives the
pinion in order to move the wheels. - -False
Breakaway plastic capsules, inserts or steel balls held in a plastic retainers, and
✅✅
collapsible steel mesh devices that give way under pressure allow the _____ to
collapse in a collision. - -steering column
✅✅
Parallelogram steering arrangements typically use a rack and pinion mechanism. -
-false
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