Valve Lifter Oil Filter Removal

WARNING: This page is about a different variant/trim than selected.

Fig 1: Valve Lifter Oil Filter

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Do not allow dirt or debris to enter the oil passages of the manifold. Plug, as required.

Remove the oil pressure sensor (706) and washer (707).
Remove the oil filter (452).
Inspect the O-ring (454) for cuts or damage. If the filter is plugged or the O-ring is cut or damaged, replace the filter and O-ring as an assembly.