The automotive repair process is a six step process. What is the last step in that process? correct answers verifying the repair
A vehicle comes in the shop with an engine noise. What should be done first? correct answers discuss the noise with the vehicle owner
A spark ignition engine has a ...
ASE 1-180 (Complete solutions)
The automotive repair process is a six step process. What is the last step in that process? correct answers
verifying the repair
A vehicle comes in the shop with an engine noise. What should be done first? correct answers discuss the
noise with the vehicle owner
A spark ignition engine has a flapping sound near the front. Which of the following could be the cause?
correct answers loose timing belt
A tight timing belt makes what type of noise? correct answers whining sound
An orange colored liquid is found under the front of the engine. What is leaking? correct answers coolant
There is a blue fluid beneath vehicle. The fluid is most likely ______________. correct answers
windshield washer fluid
The use of what type of diesel fuel is critical to diesel exhaust fuel used in SCR (selective catalyst
reduction) systems? correct answers Ultra Low Sulfur Diesel
The DEF (diesel exhaust fuel) is added at what location on a light duty diesel powered vehicle? correct
answers fitting near fuel door
Two technicians are discussing DEF (diesel exhaust fluid). Technician A says it is acceptable to add
water to the DEF. Technician B says you can use a refractometer to measure the density and quality of the
DEF. Who is right? correct answers B only
Two technicians are discussing engine coolant. Technician A says a weak solution of antifreeze may
cause corrosion build-up in the cooling system. Technician B says some original equipment
manufacturers (OEM) recommend that the coolant be changed at specified intervals. Who is right? correct
answers Both A and B
When flushing and refilling a cooling system, all of the following steps are necessary, EXCEPT: correct
answers mixing tap water and distilled water
,What tool is used to measure engine coolant freeze protection? correct answers hydrometer
Two technicians are explaining radiator cap service. Technician A says a radiator cap s tested using a
cooling system pressure tester. Technician B says when the radiator cap does not hold enough pressure,
you can replace the cap gasket. Who is correct? correct answers A only
Two technicians are describing the replacement of a thermostat. Technician A says the upper hose should
be removed from the thermostat housing neck then you remove the housing to replace the thermostat.
Technician B says on some applications you remove the radiator pressure cap and install a new
thermostat into the engine radiator fill tube underneath the pressure cap. Who is right? correct answers
Both A and B
Technician A says to replace the engine cooling thermostat once a year. Technician B says the lower
radiator hose contains a spring to prevent it from collapsing and causing a restriction. Who is right?
correct answers B only
Technician A says you should inspect all types of fan blades for stress fractures. Technician B says that if
there are signs of silicone residue at the viscous mechanical clutch, the fan clutch must be replaced. Who
is right? correct answers A only
The engine water pump is going to be replaced. Which of following is done as part of that repair process?
correct answers drain the coolant below the water pump level
Two technicians are discussing an oil change. Technician A says synthetic oils provide a safe way to
exceed the manufacturer's recommended oil change intervals. Technician B says to consult the on-line
service information or owner's manual for the correct viscosity and amount of oil. Who is right? correct
answers B only
The figure shows a belt tensioner with four lines, which indicates proper tension, belt wear, and/or the
need for replacement. Technician A says when a new belt is installed, the three line marks close to each
other should be positioned as sown in the figure which indicates the belt is properly tensioned. Technician
B says to always check the on-line service information for the belt wear indicators. Who is right? correct
answers B only
, An engine has an oil leak at the valve cover. The technician has replaced the valve cover gasket but the
oil still leaks out. What is the MOST likely cause? correct answers Stuck PCV (Positive Crankcase
Ventilator) valve
Technician A says most OEMs (original equipment manufacturers) recommend an oil change interval of
7,500 to 12,000 miles, or every 6 month. Technician B says oil change intervals are controlled
electronically through an oil life monitor on the dash. Who is right? correct answers Both A and B
The engine oil pan uses a RTV (Room Temperature Vulcanizer) silicone sealer instead of a gasket.
Technician A says you cannot wait more than 3 minutes before assembling the pan to the engine.
Technician B says you can use either silicone sealer or anaerobic sealer to install the oil pan. Who is
right? correct answers A only
All of the following tasks are done when checking secondary ignition components during ignition system
maintenance, EXCEPT: correct answers do a voltage drop across coil terminals
Technician A says if the PCV (Positive Crankcase Ventilator) valve is clogged, the engine could have a
rough idle. Technician B says that the PCV valve rattles when it is working properly. Who is right?
correct answers A only
The throttle body is being serviced on a fuel injected engine. Technician A says to check for gasoline at
the vacuum port of the fuel-pressure regulator. Technician B says to check for carbon deposits at the
throttle plate. Who is right? correct answers Both A and B
Routine exhaust system maintenance is being done during a state inspection. Technician A says exhaust
leaks often show up as black carbon lines coming from any breaks in the system. Technician B says a
cracked exhaust manifold makes a clicking sound like a valve with excessive clearance. Who is right?
correct answers B only
When replacing an air filter, the technician should: correct answers make sure dirt does not fall into the
opening
Technician A says the emission maintenance reminder automatically turns on the dash light to indicate
the need for an emission control system service. Technician B says faulty evaporative emissions control
system purge solenoid can cause the fuel tank to collapse. Who is right? correct answers Both A and B
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