66. Valve Rocker Arm Cover Cleaning and Inspection - Upper

Valve Rocker Arm Cover Cleaning and Inspection - Upper




1. Remove the PCV cover screws (1).
2. Remove the PCV cover (2), diaphragm (3), and spring (4).




3. Clean the upper valve rocker arm cover. Remove any sludge or other deposits.
4. Clean the upper valve rocker arm cover mating surface.
5. Inspect the upper valve rocker arm cover for cracks or other damage.
6. Inspect the upper valve rocker arm cover mating surfaces for damage.
7. Replace the upper valve rocker arm cover if any damage is found.




8. Inspect the PCV cover (2), diaphragm (3), and spring (4) for damage.
9. Install the PCV spring.
10. Install the PCV diaphragm.
11. Install the PCV cover.

Caution: Refer to Fastener Caution (Fastener Caution).

12. Install the PCV cover screws (1) and tighten to 4 Nm (35 lb in).