Questions and CORRECT 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
C. heater core leak
D. restricted drain hose - CORRECT ANSWER -C
Technician A says that all power should be removed from a circuit before testing the circuit with
an ammeter. Technician B says that all power should be removed from a circuit before testing
the circuit with an ohmmeter. Who is right? - CORRECT ANSWER - Tech B
A rear wheel drive vehicle with a one-piece driveshaft has excessive driveshaft vibration during
low speed acceleration. Which of the following is the MOST likely cause?
A. binding U-joints
B. excessive driveshaft runout
C. driveshaft out of balance
D. improper driveshaft angle - CORRECT ANSWER -D
When replacing an integral hub/bearing assembly on a front wheel drive vehicle, all of the
following must be removed EXCEPT:
A. brake rotor
B. brake caliper
C. steering knuckle
D. wheel - CORRECT ANSWER -C
The warning light on a vehicle with an anti-lock brake system lights when the vehicle is started.
When the vehicle is moving, the light stays on. Which of the following could be the cause?
A. mis-adjusted wheel sensor
B. bad air release solenoid
C. blown fail-safe monitor fuse