Automotive Final 1

Technician A says that the majority of serpentine drive belt systems use a tensioner that needs to be adjusted by the technician at regular service intervals. Technician B says that a drive belt system that uses a V-type belt never needs adjusting. Who is right?

• A only

• B only

• Both A and B

• Neither A nor B

The A/C serpentine drive belt keeps jumping off its pulley whenever the A/C is turned on. Which is the most likely cause?

• A pulley or bracket is misaligned

• The belt is made of the wrong material

• The belt is too small

• The belt is too old.

In order to drain the fluid on rear differentials without a drain plug, it may require the technician to remove the:

• Axels

• Inspection Cover

• Driveshaft

• Housing

When draining and refilling coolant in a vehicle, what needs to be done to ensure the coolant level is correct?

• Leave the drain plug loose as one fills the radiator.

• Drive the vehicle on the highway for 10 minutes.

• Add an extra quart of antifreeze to the overflow tank.

• Bring the engine up to operating temperature and bleed the excess air from the cooling system.

When replacing a drive belt on a V-8 engine equipped with a serpentine belt, which should also be checked?

• Tensioner

• Idler pulley

• Belt alignment

• All of the above

Technician A says that when replacing valve cover gaskets, the technician should make sure the mating surfaces are free from any old gasket material. Technician B says to use silicone arts in the place of gaskets. Who’s is right?

• A only

• B only

• Both A and B

• Neither A nor B

Two technicians are discussing engine oil leaks at the engine area. Technician A says engine oil can be brown or black. technician B says oil dye can be useful when trying to find the location of the leak. Who is right?

• A only

• B only

• Both A and B

• Neither A nor B

While replacing a water pump, which is not necessary?

• Cleaning both mating surfaces of any gasket material.

• Always removing the radiator

• Cleaning bolt threads of any debris.

• Making sure belt is tightened to the manufacturers specifications.

When inspecting an engine for a possible leak, the technician notices a green liquid dripping from the front of the engine. What type of fluid is most likely leaking?

• Brake fluid

• Transmission fluid

• Coolant

• Engine oil

When replacing water pumps that are driven by an accessory belt, the technician should:

• Make sure mating surfaces are clean and free from old gasket material.

• Use the correct torque valve when tightening the bolts.

• Make note of the accessory belt routing.

• All of the answers listed are correct.