This comprehensive workshop service repair manual is your ultimate guide to maintaining and repairing your 1991-1997 Mitsubishi Sigma (Mitsubishi Diamante). Covering every detail of these vehicles, the manual provides in-depth information for all models and engine types. Detailed illustrations, exploded diagrams, drawings, and photos walk you through each service and repair procedure with ease.

This meticulous manual covers everything from basic maintenance and troubleshooting to complex engine overhauls and component replacements. Learn how to diagnose and fix engine performance issues, master brake system servicing, understand the intricacies of the transmission and drivetrain, tackle suspension repairs, and much more. You'll find detailed specifications for every model, including factory maintenance schedules and charts, serpentine belt routings with diagrams, timing belt service procedures, brake servicing procedures, complete torque specifications, U-joint and CV-joint service procedures, and comprehensive wiring diagrams. This manual is your key to understanding the inner workings of your Mitsubishi Sigma (Mitsubishi Diamante) and performing repairs with confidence.

The 1991-1997 Mitsubishi Sigma, known as the Diamante in some markets, was a mid-size luxury sedan that marked a significant step forward for Mitsubishi in the global automotive arena. Introduced in 1991, it replaced the aging Galant Sigma and aimed to compete with established players like the Toyota Cressida and Nissan Cedric. The Sigma sported a sharp, angular design that showcased Mitsubishi's design prowess. It offered a spacious and luxurious interior, with features like leather upholstery, power seats, and a premium sound system. The Sigma was available with a range of engines, including a 2.0-liter four-cylinder, a 2.5-liter V6, and a 3.0-liter V6, offering a balance of performance and fuel efficiency. It was also available with both front-wheel drive and all-wheel drive, providing versatility for different driving conditions.

The Sigma's reputation was built on its combination of refinement, reliability, and performance. The car's suspension delivered a comfortable ride, while the powerful engines provided ample acceleration. The Sigma also boasted impressive safety features, including anti-lock brakes and airbags, contributing to its positive reputation for safety. However, the Sigma's success was hindered by its relatively high price point compared to its Japanese competitors, and it struggled to capture a significant market share in the intensely competitive luxury sedan segment. Despite this, the Sigma remained a popular choice for discerning drivers who valued its combination of comfort, performance, and reliability, solidifying Mitsubishi's position as a capable player in the luxury car market.