Segment:
Full-size pickup truck.
Competitors:
Ford F-Series, Chevrolet Silverado/GMC Sierra, Toyota Tundra.
Design Philosophy:
Known for its bold, aggressive styling and robust, heavy-duty construction.
Utility:
Emphasis on towing, hauling capacity, and off-road capability (depending on configuration).
Coverage:
Full Workshop Service Repair
Pages:
Extensive, detailed pages (specific count not provided in product info, but typical for workshop manuals of this era)
Type:
Workshop Service Repair Manual
Format:
Digital (PDF likely, given typical sales of such manuals)
Engine Overhaul:
Complete engine teardown, rebuild, and component specifications for all available engines.
Transmission Service:
Detailed procedures for manual and automatic transmission repair, clutch service, and torque converter diagnostics.
Drivetrain Diagnostics:
Coverage for front and rear axle assemblies, differentials, transfer cases (if applicable), driveshafts, and CV joints.
Brake System Repair:
Front and rear brake system service, including disc and drum brake procedures, ABS diagnostics, and hydraulic system bleeding.
Suspension And Steering:
Detailed instructions for front and rear suspension components, power steering system maintenance, and steering gear overhaul.
Electrical System Diagnostics:
Comprehensive wiring diagrams, component locations, and diagnostic procedures for all electrical systems, including lighting, power windows, and starting/charging.
HVAC Service:
Air conditioning system service, heater core replacement, blower motor diagnostics, and refrigerant handling.
Body And Frame:
Body panel removal and installation, interior trim service, chassis lubrication, and frame inspection.
Fuel System Maintenance:
Fuel pump replacement, fuel injector service, fuel tank cleaning, and emissions control system diagnostics.
Cooling System Repair:
Radiator, water pump, thermostat, and cooling fan service and replacement.
Scheduled Maintenance:
Detailed maintenance schedules and procedures for routine services like oil changes, filter replacements, and inspections.
Troubleshooting Guides:
Comprehensive diagnostic flowcharts and symptom-based troubleshooting for common and uncommon issues.
Component Replacement:
Step-by-step instructions for replacing virtually all mechanical and electrical components.
Torque Specifications:
Precise torque values for all fasteners and critical assembly points.
Diagnostic Troubleshooting:
In-depth diagnostics for engine performance, transmission shifting issues, electrical faults, and braking system malfunctions.
Emission Controls:
Service and diagnosis of evaporative emission systems, catalytic converters, and oxygen sensors.
Depth:
Complete rebuild procedures for major components like engines and transmissions.
Diagnostic Level:
Advanced diagnostic techniques, including interpretation of diagnostic trouble codes (DTCs) and scan tool data.
Special Tools:
Identification and usage instructions for specialized tools required for specific repairs.
Engine Options:
Available with a range of Magnum V6 and V8 engines, including 3.7L V6, 4.7L V8, and 5.9L V8 (Magnum).
Horsepower Range:
Approximately 215 hp to 345 hp, depending on engine.
Torque Range:
Approximately 235 lb-ft to 455 lb-ft, depending on engine.
Fuel Delivery:
Multi-point fuel injection (MPI).
3.7L Magnum V6:
Displacement: 3.7L (226 cu in), Bore x Stroke: 3.88 x 3.25 in, Compression Ratio: 9.0:1
4.7L Magnum V8:
Displacement: 4.7L (287 cu in), Bore x Stroke: 3.88 x 3.31 in, Compression Ratio: 9.1:1
5.9L Magnum V8:
Displacement: 5.9L (360 cu in), Bore x Stroke: 4.00 x 3.58 in, Compression Ratio: 9.1:1
Body Styles:
Regular Cab, Club Cab (Extended Cab), Quad Cab (Crew Cab).
Bed Lengths:
Available in short (6.3 ft) and long (8.0 ft) bed configurations.
Gross Vehicle Weight Rating Gvwr:
Varies by configuration, typically ranging from 6,300 lbs to 8,500+ lbs.
Oil Change Interval:
Typically every 3,000-7,500 miles or 3-6 months, depending on oil type and driving conditions (refer to manual for specifics).
Tire Rotation:
Recommended every 6,000-8,000 miles.
Engine Oil Type:
SAE 5W-30 is common for gasoline engines (e.g., MS-6395 certified oil recommended).
Transmission Fluid Type Auto:
ATF+4 (Chrysler specification).
Coolant Type:
Mopar Antifreeze/Coolant (HOAT) or equivalent.
Catalytic Converter:
Premature failure can occur on some models.
Transmission Slipping:
Some automatic transmissions may exhibit slipping or delayed engagement.
Rust And Corrosion:
Body panels, especially rear wheel arches and cab corners, can be susceptible to rust in certain climates.
Ignition Coil Packs:
Failure of ignition coil packs can lead to misfires.
Dodge Truck Legacy:
Dodge has a long history of producing durable and capable trucks since the 1930s.
Third Generation Ram:
This 2003 model is part of the third generation (2002-2008) of the Dodge Ram, which introduced a significant redesign with a bolder, more muscular appearance and improved chassis.
Manufacturing Location:
Primarily assembled in North America (e.g., Warren, Michigan; Saltillo, Mexico).
