AY Honor Automobile Mechanics Answer Key used by North American Division

Automobile Mechanics

Skill Level

2

Year

1928

Version

16.11.2024

Approval authority

North American Division

1

Properly start an automobile or light truck engine with an automatic transmission and one with a standard transmission. Explain why it is necessary for the engine to have the proper oil, water, fuel, and battery pressures and levels for proper engine operation.

2

Remove and replace tire (or wheel) properly and demonstrate how to mend a puncture.

3

Explain the principles of four- and two-cycle engines and the difference between gasoline and diesel engines. Explain the major differences between carburetor fuel systems and fuel-injection systems.

3a

3b

3c

3d

4

Describe the construction of a typical gasoline engine and explain briefly the function of these units:

5

Perform typical automotive maintenance as listed below:

5a

Check engine and transmission oil levels.

5b

Check water/anti-freeze level. Change and flush the cooling system.

5c

Change engine oil and filter.

5d

Change a tire/wheel assembly, following proper safety procedure.

6

How often should the engine oil, transmission oil, and cooling fluid be changed?

7

Give some pointers on proper care of the vehicle and its finish, both interior and exterior.

7a

7b

7c

8

9

10

10a

10b

10c

10d

10e

10f

10g

10h

10i

10j

10k

10l

10m

10n

10o

10p

10q

11

11a

11b

11c

11d

11e

11f

11g

11h

11i

11j

11k

References