If you cannot find the PDF, your local Mitsubishi Forklift or Fuso truck dealer can still order microfiche or printed copies, though this costs significantly more ($150+).
A generic guide or a YouTube video is helpful, but it cannot replace the factory service manual (FSM). The official Mitsubishi 4D32 PDF contains: Mitsubishi 4d32 Engine Manual Pdf
Mastering the Mitsubishi 4D32: Your Complete Guide to Maintenance and Repair If you cannot find the PDF, your local