This manual covers the NISSAN H16(R) and H20 engines, designed for robust performance and reliability. These engines are engineered with precision, reflecting NISSAN's commitment to quality and durability in their power units. Their intended applications leverage advanced technology to ensure efficient operation and longevity, making them a dependable choice for various demanding uses. The purpose of this comprehensive service repair manual is to provide detailed instructions for maintenance, assembly, disassembly, and troubleshooting. It includes essential information such as wiring diagrams and all necessary procedures to ensure the proper upkeep and repair of your NISSAN H16(R) and H20 engines. This guide is an indispensable resource for owners, mechanics, and technicians seeking to maintain optimal performance and address any issues effectively.