This workshop service and repair manual covers the Dodge Ram AD150 Truck, second generation (second facelift), produced for the model years 1989, 1990, and 1991. Known for its ruggedness and utility, this full-size pickup truck offered a range of gasoline and diesel engine options, including the powerful Magnum V6 and V8 engines and the highly regarded Cummins Turbo Diesel. The Ram AD150 Truck was engineered to be a dependable workhorse, capable of handling demanding tasks, and its robust construction and versatile capabilities made it a significant player in the competitive pickup truck market of its time.

This comprehensive manual provides essential repair and maintenance information for all trim levels and engine options of the Dodge Ram AD150 Truck from 1989-1991. It details routine maintenance procedures, component replacement, major repairs, and diagnostic strategies across all major vehicle systems, including the engine, fuel, ignition, cooling, exhaust, transmission, driveline, suspension, steering, brakes, and electrical systems. With its detailed instructions, technical specifications, and troubleshooting guides, this manual serves as an invaluable resource for owners, mechanics, and technicians seeking to maintain, diagnose, and repair their vehicles effectively.