Caution: Refer to Safety Glasses Caution in the Preface section.
| • | Leak engine oil. | 
| • | Effect crankcase ventilation. | 
| • | Interfere with the camshafts. | 
| • | Interfere with the ignition coil sealing. | 
| • | Allow water or condensation to enter the engine. | 
| • | Damage to the camshaft cover bolt holes (1). | 
| • | Damage to the oil fill hole (2). | 
| • | Damage to the mounting holes (3) for the ignition coil assembly. | 
| • | Damage to the Positive Crankcase Ventilation (PCV) hose connector (4) -- A damaged PCV hose connector is replaceable. | 
| • | Gouges or damage to the camshaft cover sealing groove (1). | 
| • | Damaged, loose or missing baffle fasteners (2). | 
| • | Damaged, loose or missing baffle (3). | 
| • | Gouges or damage to the ignition coil seal bore (4). | 
| • | Restrictions to the ventilation system (5). | 
| • | Damage to the camshaft cover bolt holes (1). | 
| • | Damage to the mounting holes (2) for the ignition coil assembly. | 
| • | Damage to the PCV orifice (3) -- A damaged PCV orifice can be replaced. Refer to PCV Orifice Replacement. | 
| • | Gouges or damage to the camshaft cover sealing groove (1). | 
| • | Gouges or damage to the ignition coil seal bore (2). | 
| • | Restrictions to the ventilation system (3). | 
Important: If the PCV orifice is damaged or plugged and cannot be cleaned out, the PCV orifice can be replaced.
Important: Remove the PCV orifice (1) by griping the neck of the PCV orifice (1) with pliers and twisting and pulling out of the right camshaft cover (2).
Important: If the PCV fitting (1) is damaged or plugged and cannot be cleaned out, the PCV fitting (1) can be replaced.
Important: The PCV fitting O-ring (2) is a single use component and must be discarded whenever the PCV fitting (1) is removed.
Discard the PCV fitting O-ring (2).