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WorksheetsAutomotive Maintenance Knowledge Check
Total questions: 25
Worksheet time: 13mins
A vehicle’s oil change reminder light is on even after an oil change. What should the technician do first?
Replace the oil pressure sensor
Reset the oil life monitor system
Replace the engine control module
Check for sludge in the oil pan
Which of the following is the MOST important reason for maintaining the correct tire pressure?
Improved ride comfort
Reduced brake pad wear
Even tire wear and fuel efficiency
Faster steering response
Technician A says tire tread depth can be measured using a tread depth gauge. Technician B says you can use a penny to check tread depth. Who is correct?
Technician A only
Technician B only
Both A and B
Neither A nor B
Which fluid should be checked with the engine running and at normal operating temperature?
Engine oil
Brake fluid
Automatic transmission fluid
Engine coolant
A serpentine belt shows small cracks on the ribs. What should the technician do?
Clean the belt with detergent
Replace the belt
Tighten the belt tensioner
Apply belt dressing
Which tool is used to remove and replace a spin-on oil filter?
Torque wrench
Strap wrench
Oil pressure gauge
Line wrench
Which of the following fluids is typically red in color?
Engine oil
Automatic transmission fluid
Brake fluid
Engine coolant
When jump-starting a vehicle, the last connection made should be:
To the positive terminal of the dead battery
To the negative terminal of the good battery
To a good engine ground on the dead vehicle
To the frame of the good vehicle
Technician A says a clogged cabin air filter can reduce HVAC airflow. Technician B says it can also cause an odor inside the vehicle. Who is correct?
A only
B only
Both A and B
Neither A nor B
The battery terminals are corroded. What is the correct cleaning method?
Wash with brake cleaner
Scrub with a wire brush and baking soda solution
Use sandpaper and water
Spray with engine degreaser
The customer complains of streaking wiper blades. What is the MOST likely cause?
Low washer fluid
Bent wiper arms
Worn or hardened wiper blades
Blown wiper fuse
Which of these conditions would MOST likely cause overheating?
Low transmission fluid
Stuck open thermostat
Loose serpentine belt
Dirty fuel filter
What is the main purpose of a vehicle’s maintenance schedule?
Improve vehicle appearance
Extend warranty coverage
Prevent breakdowns and ensure reliability
Increase dealership profits
Technician A says synthetic oil can be mixed with conventional oil. Technician B says synthetic oil must never be mixed. Who is correct?
A only
B only
Both A and B
Neither A nor B
When rotating tires on a front-wheel-drive vehicle, which pattern is typically used?
Front-to-rear only
X-pattern
Side-to-side only
Rear-to-front only
The coolant reservoir is empty, but the radiator is full. What could be the cause?
Stuck closed thermostat
Broken overflow hose
Failed water pump
Clogged heater core
When should a vehicle’s air filter be replaced?
Every 12 months, regardless of condition
When restricted or dirty
Only when the check engine light comes on
During every oil change
A vehicle battery reads 12.0 volts at rest. What does this indicate?
Fully charged battery
Battery is slightly overcharged
Battery is low and needs recharging
Battery is defective and needs replacement
Which of the following is TRUE about brake fluid?
It absorbs moisture over time
It is oil-based
It never needs to be changed
It lubricates brake pads
Technician A says to check engine oil level with the engine running. Technician B says to check it with the engine off and cool. Who is correct?
A only
B only
Both A and B
Neither A nor B
A tire shows wear on both outer edges. What is the MOST likely cause?
Underinflation
Overinflation
Incorrect toe angle
Bent wheel rim
A vehicle’s alternator output is low. What should the technician check first?
The battery terminals and drive belt tension
The voltage regulator fuse
The starter motor
The ignition timing
What type of coolant should be added if the manufacturer specifies HOAT coolant?
Any type of antifreeze
Only orange or yellow hybrid coolant
Green conventional coolant
Water only
What is the correct tire inflation procedure when tires are cold?
Inflate to 5 psi above sidewall rating
Inflate to manufacturer’s recommended pressure
Inflate until the tires “feel firm”
Inflate to match other tires’ pressures
Technician A says worn spark plugs can cause poor fuel economy. Technician B says they can cause engine misfires. Who is correct?
A only
B only
Both A and B
Neither A nor B
