This comprehensive Mitsubishi 4D55 Engine Factory Service/Repair/Workshop Manual provides detailed instructions for maintaining, servicing, diagnosing, and repairing your engine. The manual covers a wide range of topics including engine specifications, component identification, troubleshooting procedures, disassembly and assembly instructions, and torque specifications. It also features detailed diagrams and illustrations to help you understand the repair process. With this manual, you will have all the necessary information to perform a wide array of maintenance and repair tasks on your Mitsubishi 4D55 engine, saving you time, effort, and money. This manual is an invaluable resource for both professional mechanics and DIY enthusiasts who want to keep their Mitsubishi 4D55 engine running smoothly for years to come.

The Mitsubishi 4D55 is a renowned and robust diesel engine that has been a mainstay in various Mitsubishi vehicles for decades. Introduced in the early 1980s, the 4D55 is a 2.5-liter, four-cylinder, naturally aspirated diesel engine that garnered popularity due to its impressive torque, durability, and fuel efficiency. While primarily known for its use in pickups like the L200 (also known as the Strada or Triton), the 4D55 found its way into other Mitsubishi models, including the Pajero, Delica, and even the Canter light truck. Its robust design and simple construction made it a reliable choice for both on and off-road applications, proving its mettle in challenging environments.

The 4D55 engine's success can be attributed to several factors. It features a cast-iron block and cylinder head, contributing to its strength and longevity. The engine utilizes a timing belt, ensuring quiet and efficient operation, along with a simpler design compared to chain-driven alternatives. The 4D55's naturally aspirated design provides a smooth and consistent power delivery, making it suitable for various driving conditions. Despite its age, the 4D55 continues to be cherished by enthusiasts and owners due to its remarkable reliability, ease of maintenance, and ability to be modified for increased performance. Its widespread popularity has given rise to a thriving aftermarket community, providing numerous options for upgrades and tuning. While the 4D55 is no longer in production, its legacy lives on in the form of numerous aftermarket parts and a dedicated community of enthusiasts who keep these reliable engines running strong.