Valve Rocker Arm Cover Cleaning and Inspection (LS3 with Z52 Option, LS7, LS9)
- 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 cap from the right valve rocker arm cover, unless service is required. If the cap is removed, install a NEW cap during assembly.
- Inspect the oil cap (424) for a loose fit, leakage, or damage.
- 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
- Leakage at the oil cap seal (450)
NOTE: