This comprehensive service and repair manual is specifically designed for the 1990 GMC K2500, providing you with the detailed information you need to confidently tackle any repair or maintenance task. From routine maintenance like oil changes and brake adjustments to more complex repairs involving engine, transmission, suspension, and electrical systems, this manual offers a wealth of knowledge. With step-by-step instructions, clear diagrams, and detailed specifications, it guides you through every process, ensuring you have the necessary understanding to correctly diagnose and solve problems. You'll find specifications for every component, wiring diagrams, torque values, and troubleshooting tips, empowering you to effectively address any issue that arises. This manual is a valuable resource for both experienced mechanics and DIY enthusiasts, allowing you to save money and gain a deeper understanding of your vehicle.

The 1990 GMC K2500 is a heavy-duty pickup truck that was part of General Motors' full-size truck line-up. Known for its rugged build and potent power, the K2500 was a popular choice for hauling heavy loads and tackling demanding tasks. It was offered in a variety of configurations, including regular cab, extended cab, and crew cab, with bed lengths ranging from 6.5 feet to 8 feet. All K2500s were powered by a 6.2-liter diesel engine, capable of generating 170 horsepower and 340 lb-ft of torque. This engine was paired with a robust 4-speed automatic transmission, providing ample power and towing capacity.

The 1990 K2500 was equipped with a robust suspension system, including heavy-duty leaf springs, shock absorbers, and a solid front axle. These components ensured a smooth ride and stability even when carrying heavy loads. The truck also boasted a durable frame, built to withstand the rigors of heavy-duty use. Additional features like power steering, power brakes, and a spacious cabin with comfortable seats made the K2500 a practical and comfortable vehicle for both work and leisure. The K2500 was a true workhorse, capable of handling a wide range of tasks, from construction and towing to farming and recreational activities. Its durability, power, and spaciousness made it a popular choice for those who required a reliable and capable truck to handle the toughest jobs. While no longer in production, the 1990 GMC K2500 remains a testament to the robust engineering and hard-working nature of classic American trucks.