Exam 49: Diagnosing Engine Mechanical Problems

When a starter motor will not crank the engine over and the engine cannot be turned over by hand, this is called a(n) ____________________.

The condition that will MOST-Likely intensify noise caused by excessive rod side clearance is:

Which of the following is LEAST-Likely the cause of compression loss?

How would you test for a cracked flexplate?

When looking for a cause for oil consumption, technicians will often check an engine's ____________________.

A leaking head gasket will always show up on a pressure test.

The part that is MOST-Likely to be a good indication of what is taking place in a cylinder is the:

Why do valve train noises occur at half the speed of engine crankshaft rpm?

All of the following statements are true EXCEPT:

Why should you properly diagnose an engine before disassembly?

On a rebuilt engine with relatively low mileage, oil leakage past the valve guide seals is a more likely cause of oil consumption than leakage past piston rings.

A valve job increases compression, but it also increases ____, which can cause more oil to be sucked past the worn piston rings into the combustion chamber.

Which of the following would LEAST-Likely be used to check for internal air leaks before the engine is disassembled?

One effective way to test for hard-to-find oil leaks is to use a ____.

While having a discussion, Technician A says that according to the Ford Motor Company, there are approximately 36,500 drops of oil in 1 quart. Technician B says that according to Ford, there are approximately 16,500 drops of oil in 1 quart. Who is correct?

What are the possible causes of lifter noise?

Internal oil consumption can sometimes be spotted as an oily coating on the inside of the exhaust pipe.

____________________ occurs when oil is washed from cylinder walls.

Internal leaks are those that are enclosed within the ____________________.

All of the following statements are true EXCEPT: