Title: Verify correct camshaft timing, including variable valve timing (VVT) systems.
Course: Automotive Technology III (20104-III) > Section: Engine Performance: General-Engine Diagnosis

Verification should include

- removing covers, as needed
- comparing marks to specifications for proper alignment.

ASE Education Foundation
2017 Automobile Service Technology (AST) Level
VIII. Engine Performance
A. General Engine Diagnosis
Task 11

Process/Skill Questions:

- What other components might be affected by improper timing?
- What might be the result of not maintaining correct camshaft timing?
- How is a timing light used to help verify camshaft timing?