This comprehensive Mitsubishi 4D68 Engine Workshop Service Repair Manual provides an in-depth guide for servicing, maintaining, and troubleshooting your engine. This manual covers all models and engine variations, offering detailed instructions and technical specifications. It includes step-by-step procedures for a wide range of tasks, from routine maintenance like oil changes and filter replacements to advanced repairs involving engine components. You'll find detailed diagrams, illustrations, and clear explanations to guide you through every step of the process. Whether you're a professional mechanic or a DIY enthusiast, this manual equips you with the knowledge and resources to effectively maintain and repair your Mitsubishi 4D68 engine.

The Mitsubishi 4D68 engine is a robust and reliable diesel engine that has powered a wide range of vehicles, including trucks, SUVs, and even some industrial machinery. It was first introduced in 1989 and remained in production for over two decades, during which it was continuously refined and upgraded. The 4D68 is a four-cylinder, naturally aspirated engine with a displacement of 3.908 liters (238.8 cubic inches). It features a cast-iron block and aluminum cylinder head, along with a timing belt driven overhead camshaft. The 4D68 is known for its durability, with many examples exceeding 500,000 kilometers (310,000 miles) with minimal maintenance. This longevity is attributed to its robust design, simple construction, and the high-quality materials used in its manufacture. The engine has a reputation for being relatively easy to work on, with readily available parts and a wealth of resources for repair and maintenance. The Mitsubishi 4D68 engine is available in various power outputs, ranging from 85 to 148 horsepower. It has been used in a wide range of Mitsubishi vehicles, including the Pajero, Delica, L200, and Canter. The engine's versatility has also led to its adoption by other manufacturers, such as Hyundai, Kia, and SsangYong. The 4D68 is a fuel-efficient engine, especially when compared to its gasoline counterparts. It also offers excellent torque, making it suitable for towing and off-road applications. However, it is not without its drawbacks. The 4D68 is known for its high noise and vibration levels, particularly at higher RPMs. Additionally, it can be prone to problems with the timing belt, injector seals, and head gasket. Despite these shortcomings, the Mitsubishi 4D68 remains a sought-after engine for its durability, reliability, and affordability, making it a popular choice for both private owners and commercial operators.