Final answer:
When removing the timing belt from an OHC engine, the technician must remove the rocker arm assembly, mark the timing belt for position and direction, and remove the water pump.
Step-by-step explanation:
Automotive: High School
When removing the timing belt from an OHC engine, the technician must follow a specific procedure:
- Remove the rocker arm assembly.
- Mark the timing belt for position to ensure correct alignment during reinstallation.
- Mark the timing belt for direction so it can be placed in the same orientation.
- Finally, remove the water pump, which may need to be accessed to facilitate the timing belt removal.
Following these steps is crucial to prevent any damage to the engine and ensure proper timing of the camshaft and crankshaft.