Who issues technical service bulletins?

• dealerships

• Manufacturers

• ASE

• Parts stores

What is the ratio of coolant to water in a typical automotive cooling system?

• 25:75

• 50:50

• 75:25

• 100% coolant

The orange cables on hybrid cars indicate what?

• ABS wires

• electronic wires

• high-voltage wires

• low-voltage wires

Technician A says a water pump controls the flow of coolant through an engine. Technician B says an oil filter controls the flow of oil through an engine. Who is right?

• A only

• B only

• Both A and B

• Neither A nor B

Technician A says that all vehicles use the same oil viscosity. Technician B says that using the wrong viscosity oil can damage an engine. Which is right?

• A only

• B only

• Both A and B

• Neither A nor B

If the coolant recovery tank has a hole in it, which is the proper fix?

• Add stop leak.

• Do nothing; this is a system vent.

• Replace the tank.

• Plastic weld the hole closed.

When changing the engine oil, what should the temperature of the engine be?

• Cold

• Iced

• Scalding

• Warm

What is the minimum recommended time to drain an oil filter before discarding?

• 6 hours

• 8 hours

• 10 hours

• 12 hours

What is a safety concern when servicing the internal combustion engine of a hybrid vehicle?

• frostbite

• high voltage

• chemical burns

• harmful exhaust

What does "VIN" stand for?

• validate improved number

• vast impressed number

• vehicle identification number

• volt instruction number