Disassemble Procedure
WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the engine oil manifold check valves (1). Damaged, restricted or clogged check valves must be replaced. If the check valves require replacement, proceed to step 2.
- Push out the engine oil manifold check valves (1) from the bottom side of the camshaft carrier.
- Clean the check valve bore and related passages thoroughly to remove any debris.