LI01.30-P-051567_Ver_1 PDF

A service bulletin that addresses issues related to the check engine light (CEL) and low coolant indicator lighting up. It identifies the cause as a broken cylinder head bolt leading to engine coolant entering the oil. The bulletin offers a remedy involving the removal of cylinder heads, measuring piston deck height, replacing related gaskets and bolts, and performing crucial oil and filter changes. It also lists part numbers and work units relevant to the repair process.