This comprehensive 2004 Dodge Ram Truck 1500 2500 3500 Service Repair Manual is your essential guide to understanding and maintaining your vehicle. It covers a wide range of topics, from basic lubrication and maintenance procedures to complex repairs involving the engine, transmission, and electrical systems. Delve into detailed information on the suspension, differential and driveline, brakes, cooling system, battery, starting systems, charging system, ignition system, instrument panel systems, audio systems, and horn systems. Explore the speed control system, turn signal and hazard warning systems, wiper and washer systems, lamps, passive restraint systems, electrically heated systems, and power distribution systems. The manual also provides in-depth coverage of power lock systems, vehicle theft and security systems, power seat system, power window systems, power mirror systems, chime/buzzer warning systems, overhead console systems, and a complete set of wiring diagrams. Gain knowledge about the engine, exhaust system, frame and bumpers, fuel system, steering, transmission and transfer case, tires and wheels, body, heating and air conditioning, and emission control systems. A comprehensive component and system index helps you quickly navigate the manual and find the specific information you need.

The 2004 Dodge Ram 1500, 2500, and 3500 trucks were the fourth generation of Dodge's popular pickup truck line. These models were known for their rugged design, powerful engines, and impressive towing capacity. They offered a wide range of configurations, including regular cab, quad cab, and crew cab options, as well as various bed lengths. Under the hood, buyers could choose from several potent V8 engines, ranging from the 4.7-liter Magnum to the powerful 5.7-liter Hemi, with the Ram 2500 and 3500 also offering a 5.9-liter Cummins turbodiesel option. These engines were paired with either a 4-speed automatic or a 5-speed manual transmission. The 2004 Dodge Ram trucks boasted a robust chassis and suspension system, ensuring a smooth and comfortable ride even when hauling heavy loads. They also featured a range of standard and optional features, including power windows and locks, air conditioning, cruise control, and optional leather upholstery.

While known for their durability and capability, the 2004 Dodge Ram trucks also presented some common issues. The 4.7-liter Magnum engine was known for experiencing head gasket failures, which could lead to coolant leaks and engine damage. The 5.7-liter Hemi engine, while powerful, could suffer from issues with its valve seats and rocker arms. The 5.9-liter Cummins turbodiesel engine was generally reliable but could have problems with its fuel injectors and the injection pump. Additionally, the electrical system in these trucks could experience issues with the alternator, starter, and wiring harnesses. These problems often arose due to the age and mileage of the vehicles. However, with proper maintenance and care, the 2004 Dodge Ram 1500, 2500, and 3500 trucks could provide years of dependable service for their owners.