This comprehensive Mitsubishi 4G1 Engines Workshop Service Repair Manual provides detailed instructions and guidance for the repair and overhaul of Mitsubishi 4G1 Engines. The manual assumes a working knowledge of general automotive practices and offers detailed procedures for a wide range of repairs, ensuring technicians have the necessary information to perform repairs and maintenance effectively.

The Mitsubishi 4G1 engine is a renowned family of four-cylinder gasoline engines produced by Mitsubishi Motors from 1978 to 2004. These engines were widely used in various Mitsubishi car models, including the Lancer, Colt, Mirage, Galant, and even the iconic Pajero. The 4G1 series is known for its simplicity, reliability, and durability, making it a popular choice for both everyday driving and competitive motorsport. The 4G1 family encompasses several variants, each with unique displacement and features. Some of the most notable variants include the 1.3L 4G13, 1.5L 4G15, 1.6L 4G16, and the naturally aspirated and turbocharged 1.8L 4G18. The 4G1 engines are typically known for their compact design, cast-iron cylinder blocks, and single overhead camshaft (SOHC) configurations, although some later models featured dual overhead camshafts (DOHC). They are also known for their robust bottom ends, capable of withstanding high horsepower modifications. The 4G1 engine's widespread use and aftermarket support have made it a popular choice for enthusiasts, especially in the rally and drifting communities. The "Mitsubishi 4G1 Engines Workshop Service Repair Manual" provides a comprehensive resource for mechanics and car owners alike, offering detailed instructions and diagrams for troubleshooting, maintenance, and repair of various 4G1 engine variants. This manual is essential for anyone looking to keep their 4G1 powered Mitsubishi running smoothly and efficiently.