Tech 1 EOY 41-60

Which of the following is like a mini radiator to help with heating the passenger cabin?

• cabin air filter

• heater core

• compressor

• evaporator

What forces the coolant to flow throughout the engine?

• air from the front of the car

• water jacket

• radiator fins

• water pump

What is the purpose of the radiator?

• remove heat from the coolant

• add heat to the coolant

• slow down the air through the engine compartment

• keep the coolant at 195ºF (91ºF)

Technician A says if the coolant is low the engine can overheat. Technician B says that if the fan is not working properly the engine can overheat. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

Technician A says that most vehicles require 100% pure antifreeze in the coolant system. Technician B says that a 50% antifreeze/50% water mixture is used for most cars. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

Technician A says that hot coolant enters the top of the radiator. Technician B says that the coolant is cooler at the bottom of the radiator than at the top. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

Technician A says that a coolant recovery tank is used to hold excess coolant during cooling system operation. Technician B says that the coolant recovery tank allows the air to be drawn into the engine block, enhancing the cooling in the engine. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

Technician A says that coolant mixes with the engine oil to help with cooling. Technician B says most front wheel drive vehicles use belt driven fans. Who is correct?

• Technician A

• Technician B

• Both Technician A and Technician B

• Neither Technician A nor Technician B

When changing the engine oil filter, the technician should:

• Install the filter with pliers.

• Tighten the new filter two turns after seal contact.

• Inspect the oil flange for the old filter seal.

• Install the filter with a dry seal

A technician is rotating the tires using the modified X-method of tire rotation on a front-wheel-drive vehicle. Where should be the right front wheel placed?

• Right front

• Right rear

• Left rear

• Kept at left front