Note. On 4.3L, 5.0L and 5.7L, when front cover is removed, replace with NEW front cover and gasket. DO NOT reinstall original composite front cover. Reinstalling original front cover can lead to oil leaks.
Note. On 7.4L, front cover and front cover gasket are reusable if not damaged. If replacing Crankshaft Position (CKP) sensor reluctor ring on a 7.4L, a NEW CKP sensor MUST be installed.