Questions and Answers.
Technician A says that when pressure testing a radiator cap, a special adapter is needed.
Technician B says the best way to check thermostat operation is while it is in the engine.
Who is right? - Correct Answer Tech A
A technician is checking resistance in an engine's spark plug wires using an ohmmeter. A
general rule is to replace a wire if resistance is over: - Correct Answer 30,000 ohms
Technician A says that in an ignition system, the voltage supplied to the coil during starting
is battery voltage. Technician B says the coil uses electromagnetic induction to create
high voltage. Who is right? - Correct Answer Both techs
A front wheel drive vehicle with an automatic transaxle has excessive vibration.
Technician A says that the vibration could be caused by worn engine/transaxle mounts.
Technician B says that the vibration could be caused by a misaligned engine/transaxle
subframe. Who is right? - Correct Answer Both techs
A technician suspects that a faulty camshaft sensor causes a driveability complaint. The
sensor is equipped with a three-wire connector. What type of sensor is this? - Correct
Answer a Hall effect type
All of the following can cause a problem in the Hydro-boost system EXCEPT:
A. loose power steering pump belt
B. leaking power steering hoses
C. low power steering pump pressure
D. leaking check valve - Correct Answer D
Technician A says that if a wire is getting too hot, it's a sign of higher-than-normal current
flowing through. Technician B says the wire would heat up if some of the individual strands
are broken inside the wire insulation. Who is right? - Correct Answer Both techs
Technician A says electrical connectors can be disconnected with the ignition switch ON,
as long as the technician is using a ground strap. Technician B says when welding on a
, vehicle, the technician needs to use a static wrist strap. Who is right? - Correct Answer
Neither
Technician A says the thermostat maintains maximum engine operating temperature.
Technician B says if the engine continuously runs hot, install a cooler thermostat. Who is
right? - Correct Answer Neither
A vehicle equipped with a MacPherson strut suspension is in the repair shop for new tires
and an alignment. The technician noticed that the vehicle has some play in the lift-side
inner tie-rod. What should the technician tell the customer?
A. It is not a problem that will affect alignment.
B. He can align the front end, but the tie-rod should be replaced soon
C. The inner tie-rod needs to be replaced before an alignment can be performed
D. He can set the vehicle alignment to compensate for the play in the inner tie-rod -
Correct Answer C.
An engine is losing coolant, yet has no external leaks. Technician A says to run the engine
and see if there is white smoke out of the exhaust. Technician B says to find out if the
engine's emission system uses a catalytic converter before running the test above. Who is
right? - Correct Answer both
LED bulbs can remain effective for up to how long depending on the size of the bulb and
the conditions to which the bulb is exposed? - Correct Answer 15000 hours
All of the following should be performed during a preliminary transmission inspection
EXCEPT:
A. check transmission fluid level
B. visually check wiring and electrical connections
C. check the condition of the filter
D. check for fluid leaks - Correct Answer C
A smeary film on the windshield is an indication of:
A. evaporator core leak
B. water valve leak