Oil pan and valve cover gasket(s) should be checked for:

The technician shown in the illustration above is changing the:

Which of the following is the preferred method of checking a newer style serpentine belt for wear?

A vehicle's cooling system has been drained and flushed, and fresh coolant is being added to a vehicle. Technician A says to mix the correct ratio of coolant to water for the correct freeze point. Technician B says a bleed screw may have to be opened to purge air from the cooling system. Who is correct?

Any routine inspection and maintenance program includes the periodic replacement of the:

Which of the following should be used when replacing defective vehicle exhaust system components?

When checking for diagnostic trouble codes (DTCs), it's important to:

On an OBD II vehicle, an EVAP leak may be associated with any of the following events EXCEPT:

Which of the following is the LEAST LIKELY way a technician would confirm that an automatic transmission is faulty?

A technician is inspecting a vehicle's rear transmission mount and finds its rubber is dry and has split. The mount should be:

Technician A says that all automatic transmission fluids (ATF) are interchangeable. Technician B says that new ATF should be pink in color. Who is correct?

Following drivetrain repairs to a vehicle, a final test drive reveals a vibration problem which increases with road speed and engine torque. Which of the following is the most likely cause?

While a brake shoe replacement procedure is being performed, gear lube is seen leaking from behind the rear axle flange. Technician A says that a leaking axle seal could be the cause. Technician B says that a faulty brake drum seal could be the cause. Who is correct?

A wheel stud needs to be replaced on a solid rear axle flange. Technician A says that on some vehicles the axle may have to be removed to make installing the replacement wheel stud possible. Technician B says that on some vehicles it may be possible to install a new wheel stud without removing the axle. Who is correct?

A FWD vehicle experiences a clicking noise from the left front wheel area during slow left-hand turns. Which of the following is the most likely cause?

A sealed front wheel bearing is to be installed. Technician A says the hub may have to be removed in order to install the bearing. Technician B says the bearing may have to be packed before installation. Who is correct?

Which of the following is true about the fluid used in a transfer case?

Any of the following would likely indicate the correct power steering fluid to be used in a vehicle EXCEPT:

A vehicle exhibits a groaning noise whenever the steering wheel is turned. Which of the following is the most likely cause?

During an undercar inspection, a bent lower control arm is discovered. Technician A says it may be heated and straightened. Technician B says that after the appropriate repair, the wheels should be realigned. Who is correct?

An older model pickup with a twin I-beam front suspension as shown above is found to need a camber adjustment. Technician A says that the I-beam(s) may need to be bent to achieve the alignment. Technician B says the radius rods may need to be bent to achieve the alignment. Who is correct?

The front-end coil springs on a vehicle have sagged. Which of the following would be most affected?

The rear coil spring on a vehicle is found to be broken. Which of the following is the LEAST LIKELY cause?

The rear rebound bumpers of a vehicle are found to be cracked and collapsed. Technician A says that routine vehicle overloading could be the cause. Technician B says that once the bumpers are replaced, a wheel alignment will be needed. Who is correct?

Upon inspection, the rear tie rods of an independently suspended vehicle are found to have 1/4 inch of play. Technician A says that they should be replaced. Technician B says that if tie rods are replaced, a wheel alignment will be required. Who is correct?

A vehicle tends to pull to one side of the road when travelling on a straight road. Which of the following is the most likely cause?

Technician A says that caster on a short-long arm (SLA) equipped vehicle may be adjusted by adding or subtracting shims. Technician B says that caster on a SLA equipped vehicle may be adjusted by rotating an eccentric shaft. Who is correct?

A tire is found to have a nail hole in its sidewall. Which of the following should be done?

The four non-asymmetric/non-directional radial tires on a 4WD vehicle with a mini-spare tire are to be rotated. Which of the following is the correct procedure?

The TPMS light on a vehicle's instrument cluster is illuminated. Technician A says that the vehicle's tires may have been rotated. Technician B says that a TPMS relearn procedure should be performed. Who is correct?

The yellow ABS warning light is illuminated on a vehicle's instrument panel. Which of the following is the most likely cause?

A short to ground in the parking light circuit will likely cause:

The lid on a can of DOT-3 brake fluid has been left off its container overnight. Technician A says it's OK to replace the cap and continue to use the fluid. Technician B says the brake fluid may be filtered through cheese cloth and then used. Who is correct?

A technician is attempting to retract a rear brake caliper piston by using a "C" clamp, but the piston will not retract. Which of the following is the most likely cause?

While inspecting the disc brakes of a vehicle, the technician finds that only the inner pad has worn down to its backing plate. Technician A says that the caliper piston should be inspected for possible damage from the pad. Technician B says that the rotor should be inspected for damage from the pad. Who is correct?

During a routine disc brake inspection, the caliper slide pin boots are found to be torn. Which of the following should be done?

The disc brake components illustrated above are being assembled. Which of the following part(s) should be lubricated with waterproof grease?

Which of the following is the best method to use when checking a vacuum brake booster check valve for leaks?

An electric-hydraulic assist brake system is to be checked for leaks. Technician A says that the hydraulic hoses should be inspected for signs of leakage. Technician B says that the hose fittings should be inspected for signs of leakage. Who is correct?

A hydraulic type brake booster system is to be inspected for faults. The inspection should start with all of the following EXCEPT:

An air bag system (supplemental restraint system - SRS) needs to be disarmed before SRS related service is performed. Technician A says to pull the SRS fuse. Technician B says to disconnect the battery. Who is correct?

When measuring for load resistance in a circuit, the technician should be sure to:

Before disconnecting a vehicle's 12-volt battery for service, providing auxiliary 12-volt power to the vehicle will accomplish all of these EXCEPT:

Which of the following is the best procedure to follow when using a battery charger on a discharged battery?

A starter motor is being removed from a vehicle. Technician A says it's important to disconnect the heavy battery wire from the starter solenoid and tape it to prevent a short circuit to a vehicle ground. Technician B says it's important to remove and tape the small wire lead to the starter solenoid to prevent it from shorting to a vehicle ground. Who is correct?

An alternator pulley designed to smooth out crankshaft torque reversals otherwise imposed on the alternator is to be replaced. Which of the following should be used?

A heater control panel with an LED display fails to illuminate and the controls do not operate properly. Technician A says to check the fuse and all electrical connections. Technician B says the circuit board or even the entire panel may have to be replaced. Who is correct?

Moving the heater control switch knob from HEAT to DEFROST causes a vehicle's A/C compressor to engage and the under hood electric fan to start. Which of the following could be the cause?

Which of the following would happen if the A/C condenser becomes blocked with leaves and debris?

A vehicle's serpentine belt squeals whenever the A/C is turned to ON. Technician A says the compressor may be locked up. Technician B says the serpentine belt may be loose. Who is correct?

With the A/C ON, water is seen blowing from the A/C vents when the blower motor is turned to HIGH. Which of the following is the most likely cause?