For 1990-2009 cars

Important:

• | Do not use the valve rocker arm cover gasket again. Install a NEW gasket during assembly.

• | Remove the ignition coils before cleaning the cover in solvent. Do not submerge the ignition coils in solvent.

• | Do not remove the oil fill tube from the covers unless service is required. If the tube is removed from the cover, install a NEW tube (423) and seal (422) during assembly.

1. Inspect the oil fill tube (423) for a loose fit or damage.
2. Inspect the covers (505) for the following conditions:

• | Scoring or damage to the gasket surfaces

• | Ventilation system passages for restrictions

• | Threaded bolt holes for damage or debris