ASE certification study guide questions
and answers 100% pass
Spark plugs are being replaced on a v6 engine. Which of the following should be performed
before removing the boot? ✔✔Twist the boot 1/2 a turn
Technician
...
ASE certification study guide questions
and answers 100% pass
Spark plugs are being replaced on a v6 engine. Which of the following should be performed
before removing the boot? ✔✔Twist the boot 1/2 a turn
Technician A days that a positive crankcase ventilation (pvc) system reduces vehicle emissions.
Tech B says that a pvc system helps increase crankcase pressure. Who is correct? ✔✔Tech A
Tech A says that secondary ignition wires should be inspected when replacing spark plugs. Tech
B says that if a new spark plug is dropped it can be used as long as the gap doesn't change. Who
is correct? ✔✔Tech A
Incorrect valve timing could be caused by... ✔✔Incorrect timing belt position
When measuring parallelism of a disc brake rotor, A technician measures 0.002" variation
beyond the specification. The next step is to? ✔✔Determine the minimum rotor machine to
thickness
Tech A says that disconnecting the negative battery cable may be required to disable the air bag
system. Tech B says that a self powered test light can be used to test air bag system components.
Who is correct? ✔✔Tech A only
A vehicles battery prematurely fails. A charging system output test shows the alternator is
producing a constant 16.0 volts. This could indicate a failed... ✔✔Voltage regulator
A dirty cabin air filter can cause... ✔✔A musty smelling cabin
Define the term stroke ✔✔Distance the piston travels from TDC (top dead center) to BDC
(bottom dead center)
A vehicle is being checked for power steering leaks Technician A says that leaks can develop in
the fitting hoses and seals, Technician B says that the steering components should be observed
for leaks while a helper turns the steering wheel from side to side. Who is right? ✔✔Both
Brake fluid must meet minimum standards set by... ✔✔Department of traffic (DOT)
A flexible rubber brake line is being inspected.
Technician A says small blisters in the rubber are acceptable if they are not leaking.
Technician B says that small cracks in the rubber require replacement of the hose.
Who is correct? ✔✔Technician B only
A technician is preforming a service on a vehicle there is a risk of splashing liquid. Technician A
says that regular safety glasses with side shields will work. Tech B says that goggles combined
with a face shield will provide adequate protection. Who is correct? ✔✔Tech B
A band type TPMS (tire pressure monitor system) is being installed in the center of the rim. How
many degrees form the valve stem should the sensor be mounted? ✔✔180 (sensor and valve
stem should be parallel with each other)
When a technician is working on a vehicle any of these surface protectors could be used
EXCEPT? ✔✔Fender covers
Paper floor mats
Plastic seat covers
•Lab coats< answer
Technician A says that worn springs can affect ride height. Tech B says that worn stabilizer
bushings can affect ride height. Who is correct? ✔✔Tech A
An oil filter bypass valve? ✔✔Protects the engine from oil starvation if the filter is stopped up or
"plugged"
On a vehicle with vacuum assisted power brakes. With the pedal applied the pedal drops slightly
as the engine is started. This indicates? ✔✔Normal vacuum booster operation
An alternator is being replaced. The first step the tech should take is to disconnect the...
✔✔Negative battery cable
During a routine automatic transmission fluid change, a technician finds a very large quantity of
metal particles in the trans pan. The tech should? ✔✔Notify the service manager
Which of these is an indication of air in the hydraulic brake system... ✔✔The brake pedal feels
low and spongy
A high-pitcher squeal is heard when the steering is turned full lock. What could be the cause?
✔✔A loose drive belt
While inspecting the rear wheel axle studs on a real wheel drive vehicle, the technician notices
that one stud is damaged. Technician A says that all the wheel studs on the assembly should be
replaced. Tech B says that the thread pitch and diameter of the replacement stud should be the
same as the original. Who is correct? ✔✔Both
Tech A says that poor A/C system performance could be caused by debris between the A/C
condenser and the radiator. Tech B says that A/C condensers are mounted between the radiator
and the engine. Who is correct? ✔✔Tech A
What agencie enforces workplace safety and environmental health regulations? ✔✔OSHA
Technician A says that when reinstalling lugnuts on a vehicle a torque wrench should be used.
Technician B says that the lugnuts should be tightened in a circular pattern. Who is right?
✔✔Both
During normal braking, the technician observes pulsation in the brake pedal when the brake are
applied. The could indicate... ✔✔Excessive lateral runout in the rotors
A TPMS (tire pressure monitoring system) sensor is being replaced. Technician A says that a
magnet is used to activate the new sensor. Tech B says that on some vehicle, the new sensor may
have to be relearned by the TPMS module. Who is correct? ✔✔Tech B
During turns clear water drips on the floor on the passenger side. Tech A says that a faulty heater
core could but the problem. Tech B says that a clogged evaporator drain could be the cause. Who
is correct? ✔✔Tech B
While being charged a battery beings gassing excessively (boiling), and is slightly hot to the
touch. The technician should? ✔✔Reduce the charging amperage
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