This service repair manual covers the NISSAN H16(R) and H20 engines. These engines are known for their robust engineering and reliability, making them a solid choice for various applications where dependable performance is essential. This manual is designed to provide comprehensive information for the treatment and repair of these specific engine models. The scope of this manual is extensive, detailing critical aspects of engine maintenance and repair. It includes sections on engine general information, tune-up procedures, mechanical overhauls, and the lubrication system, among other vital areas. Owners, mechanics, and technicians will find this guide invaluable for ensuring the optimal performance, longevity, and proper functioning of their NISSAN H16(R) and H20 engines through accurate maintenance and repair practices.