This Service Manual offers a detailed step-by-step procedure for removing and reinstalling the engine oil filter base and oil cooler. It explains the required tools, outlines essential safety precautions, and provides clear illustrations to guide the process. Users are instructed to drain the coolant, carefully detach bolts and components, clean surfaces, replace seals, and reassemble in reverse order. An additional section covers disassembly and reassembly of the engine oil pump, ensuring proper lubrication system maintenance.