This comprehensive workshop service repair manual provides detailed instructions and technical specifications for the Dodge Ram AD150 truck, covering the model years 1989, 1990, and 1991. The manual is designed for both professional mechanics and DIY enthusiasts and contains over 1600 pages of information, covering nearly every aspect of the vehicle. It features detailed diagrams, illustrations, and step-by-step procedures to guide you through various repair and maintenance tasks. From engine and transmission to electrical systems, brakes, suspension, and more, this manual provides the information you need to diagnose, troubleshoot, and repair your Dodge Ram AD150 truck.

The Dodge Ram AD150, produced between 1989 and 1991, marked a pivotal moment in the evolution of Dodge trucks. While the AD150 might not be as instantly recognizable as its later, more powerful successors, it was a crucial stepping stone in Dodge's quest for dominance in the full-size pickup truck market. The AD150 was a redesigned version of the previous D-series trucks, featuring a more modern and aerodynamic design. Its styling was a departure from the boxy, utilitarian trucks of the past, incorporating a more rounded grille and sleeker lines. This update not only enhanced the truck's aesthetic appeal but also improved its fuel efficiency and wind resistance, key considerations in the face of rising fuel prices and changing consumer demands. Under the hood, the AD150 offered a variety of engine options, including the robust 5.2L V8, a powerful 5.9L V8, and even a fuel-efficient 3.9L V6. These engines were paired with either a four-speed or a five-speed manual transmission, or a three-speed automatic transmission. The AD150 was available in a variety of configurations, including regular cab, extended cab, and crew cab, offering a range of seating and cargo capacity options to suit various needs. The AD150 was built on a sturdy frame and suspension, designed to handle heavy loads and rough terrain. Its off-road capabilities were enhanced by available features such as four-wheel drive and heavy-duty axles. The AD150 solidified Dodge's position as a serious competitor in the full-size truck market, laying the foundation for the iconic Ram trucks that would follow.