Examine engine wear and specifications.

Examination should include

• checking the engine blocks and parts
• following manufacturer specifications
• checking piston-to-wall clearances
• checking rod and main bearing clearances
• checking valve-to-guide clearances.

Process/Skill Questions: 

• Why is it important to check rod bearing clearances?
• Why is it important to check main bearing clearances?
• What tools are used to check bearing clearances?