Technician A says piston ring groove wear can be measured with a ball gauge.

Technician B says piston ring groove wear can be measured with a new piston ring and a feeler gauge.

Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B

Answer

Technician A says to measure the side clearance of a connecting rod, a dial indicator should be placed on the piston pin and observed as the connecting rod is moved back and forth on the pin.

Technician B says to measure the side clearance of a connecting rod, the diameter of the connecting rod's small bore should be compared to the outside diameter of the piston pin.

Who is correct?

A. A only
B. B only
C. Both A and C
D. Neither A nor B

Answer

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All of these can cause late or delayed upshifts, EXCEPT:

A. A faulty vacuum modulator
B. A worn oil pump
C. Misadjusted shift linkage
D. A sticking governor

Answer

Technician A says excessively high transmission fluid level will raise the pressure inside the transmission.

Technician B says excessively high transmission fluid level will cause the fluid to aerate and overheat.

Who is correct?

A. A only
B. B only
C. Both A and B
D. Neither A nor B

Answer

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To identify the most probable cause of a driveline vibration problem on a rear-wheel-drive car:

A. Temporarily balance the drive shaft with hose clamps to determine if an out-of-balance drive shaft is the cause of vibration.

B. Check the condition of the rear axle shafts.

C. Check for a worn universal joint.

D. Check the backlash of the ring and pinion gear set.

Answer

While diagnosing a front-wheel-drive car that makes a clunking noise when it is accelerating and making a turn, Technician A says an excessively worn throw-out or release bearing can cause this problem.

Technician B says a worn CV-joint can cause this problem.

Who is right?

A. A only
B. B only
C. Both A and B
D. Neither A nor B

Answer

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Technician A says that incorrect tire pressure can cause a vehicle to pull.

Technician B says that incorrect toe and caster alignment settings can cause the vehicle to pull.

Who is correct?

Answer

Which of these is not part of the normal procedure for replacing a front stabilizer bar?

A. Remove from the frame mountings.

B. Remove the outer connections at the control arms.

C. Disconnect the tie-rod ends.

D. Raise the vehicle on a drive-on hoist so that the tires evenly support the weight of the vehicle.

Answer

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When repairing a damaged brake line, which of the following is correct?

A. Replace the damaged section with a piece of tubing and compression fittings.

B. Replace entire line that is damaged with a new line bent to the right shape using a tube bender.

C. Repair the damaged section by cutting out that section and clamping a piece of high pressure hose to the line.

D. Repair the damaged area by cutting out the damaged area and installing a fitting on the ends of the line. Then install a brake hose of the appropriate size.

Answer

A car has an excessive amount of pedal travel during brake application, which of the following could be the cause?

A. A stuck wheel cylinder piston.

B. Excessive clearance between the shoe and drum.

C. Worn brake pads.

D. Incorrectly adjusted parking brake.

Answer

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Technician A says a voltmeter can be used to measure the voltage in and out of a starter relay or solenoid.

Technician B says that a jumper wire can be used to bypass the starter relay.

Who is correct?

Answer

Which of these could be the cause of high current draw during starter motor operation?

A. Excessive voltage drops across the negative battery cable.

B. Low engine compression.

C. Battery needs charging.

D. Starter windings are open.

Answer

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When conducting a pressure test on an A/C system, the ambient temperature is 85 degrees F., the low-side gauge reads very low (10 psi) and the high-side gauge also reads low (90 psi), which of the following could cause these readings?

A. Low Refrigerant Level.

B. Normal Operation.

C. Bad Compressor.

D. A high-side restriction.

Answer

The heater of a car puts out very little heat, which of the following could cause the problem?

A. Thermostat is stuck open.

B. A defective cooling fan clutch.

C. Heater control valve stuck open.

D. Restricted airflow through the radiator.

Answer

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A8: Engine Performance