Preventive Maintenance Diesel

Measuring the amount of ____ in the oil is an excellent indicator of fuel efficiency.

• viscosity

• acid

• fuel soot

• fuel dilution

Inspect all ___ for leaks due to cracking, softness, and loose clamps

If an engine does not have ___, any preventive maintenance procedures performed will be useless.

• air delivery

• fuel injection

• proper compression

• all of the above

Which of the following is the cause of reduced engine power, response, or an increase in exhaust temperature?

• Low oil pressure

• A cracked head

• Dirty oil filter

• A CAC air leak

The coolant system must be properly ___ to support cold weather operation.

Low engine power, high amounts of white, blue, or black exhaust smoke, or hard starting may indicate that a cylinder ___ test should be performed.

From a safety and emission standpoint, ___ is often required by DOT and other government agencies

• documentation of service

• OSHA form 56/1499

• a trucker's log book

• All of the above

The number one cause of engine failure is ___ entering the engine

• coolant

• dirt

• moisture

• low quality fuel

A thorough walk-around inspection should be performed ___.

• weekly

• yearly

• monthly

• daily

Used coolant can be mixed with deionized water and used agian

• True

• False