Warning: Refer to Safety Glasses Warning in the Preface section.
Note: The positive crankcase ventilation (PCV) orifice is part of the valve cover and cannot be removed. If damaged, replace the valve cover.
- Clean the valve rocker arm cover in cleaning solvent.
- Dry the valve rocker arm cover with compressed air.
- Inspect the valve rocker arm cover for the following:
| • | Damage to the PCV orifice (1) |
| • | Damage to the bolt holes (2) |
| | A damaged valve rocker arm cover may interfere with the valve rocker arms. |
| • | Damage to the exterior of the valve rocker arm cover (3) |
| • | Gouges or damage to the sealing surface (4) |
| • | Damage to the oil fill tube grommet (5) |
| • | Restrictions to the ventilation system passages |
