This workshop repair service manual provides comprehensive information for the 4G63 engine, covering all model years, engine variants, and transmission types. The 4G63, known for its robust inline 4-cylinder configuration and typically 2.0-liter displacement, has been a staple in various applications. This manual details essential aspects including fuel and cooling systems, electrical components, and critical technical specifications such as tightening torques and servicing data, ensuring optimal performance and longevity. This English-language manual is designed to be an indispensable resource for owners, technicians, and mechanics. It features detailed disassembly and assembly procedures, diagnostic information, troubleshooting guides, and maintenance checklists. With hundreds of pages of content, including diagrams, drawings, photos, and wiring schematics, this manual equips users with the knowledge required for effective service and repair. Special tools are also listed and described to facilitate accurate maintenance procedures.