Water pumps ________. A) Are driven by the engine crankshaft ...

[123654777]

Water pumps ________.
 
  A) Are driven by the engine crankshaft or camshaft
  B) Only work at idle and low speeds and are disengaged at higher speeds
  C) Use engine oil as a lubricant and coolant
  D) Disengage during freezing weather to prevent radiator failure

Question 2

What can be done to prevent air from getting trapped in the cooling system when the coolant is replaced?
 
  A) Pour the coolant into the radiator slowly.
  B) Use a coolant exchange machine that draws a vacuum on the system.
  C) Open the air bleeder valves while adding coolant.
  D) Either B or C

[heinisk01]

Answer to Question 1

A

Answer to Question 2

D

[123654777]

Gracias!

[lindahyatt42]

Excellent