Combine set With complete solu on Updated RATED
A+| 2026
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 posi"ve crankcase ven"la"on (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 igni"on 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 "ming could be caused by...
Incorrect "ming belt posi"on
When measuring parallelism of a disc brake rotor, A technician measures 0.002" varia"on
beyond the specifica"on. The next step is to?
Determine the minimum rotor machine to thickness
Tech A says that disconnec"ng the nega"ve ba.ery 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 ba.ery 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 (bo.om dead center)
A vehicle is being checked for power steering leaks Technician A says that leaks can develop in
the fi2ng 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 protec"on. Who is correct?
Tech B
A band type TPMS ("re 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
Plas"c 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 starva"on 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 opera"on
An alternator is being replaced. The first step the tech should take is to disconnect the...
Nega"ve ba.ery cable
During a rou"ne automa"c transmission fluid change, a technician finds a very large quan"ty of
metal par"cles in the trans pan. The tech should?
No"fy the service manager
Which of these is an indica"on 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 inspec"ng the rear wheel axle studs on a real wheel drive vehicle, the technician no"ces
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 regula"ons?
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 "ghtened in a circular pa.ern. Who is right?
Both