This manual covers the Chrysler 300M, Concorde, and Intrepid models from the 2003 model year. These full-size luxury and large family sedans are built on the second generation of the Chrysler LH platform. Known for their American luxury, comfortable ride, and distinct styling, these vehicles offered powerful V6 engines, including a 3.5L V6 producing up to 255 horsepower, paired with a 4-speed automatic transaxle. Safety was a priority, with standard front airbags, available side-impact airbags, and a standard Anti-lock Braking System. The Chrysler 300M, in particular, received accolades such as frequent appearances on 10Best lists, highlighting its blend of performance and refinement. This comprehensive Factory Service and Repair Workshop Manual provides detailed guidance for maintaining and repairing your Chrysler sedan. It covers a wide array of systems, including lubrication, suspension, brakes, engine systems, fuel system, steering, automatic transmission, climate control, and electrical systems. The manual offers step-by-step repair procedures, diagnostic information, and technical specifications essential for both routine maintenance and complex repairs. Whether you are a DIY enthusiast or a professional technician, this manual is designed to assist you in keeping your vehicle in optimal condition, ensuring its reliability and longevity. 🏷️ Basic Information Identification Make: Chrysler Model: 300M, Concorde, Intrepid Year: 2003 Codes Platform: Chrysler LH platform (Second Generation) 👋 Introduction Market Position Vehicle Segment: Full-size luxury sedan (300M), Large family sedan (Concorde, Intrepid). Competitive Analysis Competitors: Dominated a segment with competitors like Buick Park Avenue, Lincoln Continental, Ford Crown Victoria, and Cadillac DeVille. Key Features Design Philosophy: American luxury with emphasis on V6 power, comfortable ride, and distinct styling, with the 300M offering a sportier, more upscale interpretation. 📋 Manual Details Coverage Areas Systems Covered: Introduction, Lubrication & Maintenance, Suspension, Differential & Driveline, Brakes, Cooling, Audio/Video, Chime/Buzzer, Clock, Electronic Control Modules, Engine Systems, Heated Systems, Horn, Ignition Control, Instrument Cluster, Lamps, Message Systems, Power Systems, Restraints, Speed Control, Vehicle Theft Security, Wipers/Washers, Navigation/Telecommunication, Wiring, Engine, Exhaust System, Frame & Bumpers, Fuel System, Steering, Automatic Transmission, Tires/Wheels, Body, Heating & Air Conditioning, Emission Control, Component & System Index, DTC Index. Page Count Estimated Page Count: N/A (Digital Download - Comprehensive) Manual Type Manual Type: Factory Service and Repair Workshop Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Detailed coverage of engine systems including diagnostics, repair procedures, and specifications for all applicable engines. Procedures Included Repair Procedures: Step-by-step instructions for complete disassembly and reassembly of all vehicle components and systems. Technical Depth Technical Depth: Comprehensive, suitable for both DIY enthusiasts and experienced professional mechanics, including diagnostics and detailed repair operations. 📊 Manual Specifications File Format Compatibility: All PC-based Windows operating systems and Mac. Print Quality Printability: All pages are printable. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine 2003 300M Engine: 3.5L EGJ V6 (SOHC, 24-valve) 2003 Concorde Intrepid Engine: 2.7L EBL V6 (SOHC, 24-valve) or 3.5L EGJ V6 (SOHC, 24-valve) Performance 3.5L Egj Horsepower: 255 hp @ 6400 rpm (300M); 234 hp @ 6000 rpm (Concorde/Intrepid) 3.5L Egj Torque: 255 lb-ft @ 3900 rpm (300M); 241 lb-ft @ 4000 rpm (Concorde/Intrepid) Fuel System Fuel Induction: Sequential Multi-Port Fuel Injection (MPI) 🔧 Transmission Standard Transmission Type: 4-speed Automatic Transaxle Optional Transmission Optional: N/A (All models equipped with automatic) Features Transmission Features: AutoStick® driver-selectable transmission with Electronic Range Select (ERS) and TorqueFlite 42LE/45RFE variants. 📐 Dimensions Exterior Wheelbase: 113.0 inches (2870 mm) Overall Length: 203.0 inches (5156 mm) Weights Curb Weight: Approx. 3700-3900 lbs (1678-1769 kg) depending on model and equipment. 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star (Driver and Passenger for 300M, Concorde, Intrepid) IIHS Front Offset Crash Test: Good (for models tested) Active Features ABS: Standard Anti-lock Braking System (ABS) Passive Features Airbags: Standard front advanced airbags, available side-impact airbags. 💡 Technology Features Infotainment Audio System: Available Infinity premium audio systems with CD player, cassette player, and AM/FM radio. Optional CD changer. Driver Assistance Traction Control: Available Traction Control System (TCS). Connectivity Navigation: Optional factory navigation system available. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles or 6-12 months, depending on driving conditions and oil type (refer to manual for specific recommendations). Fluid Specifications Engine Oil Specification: SAE 5W-30 synthetic blend or synthetic oil meeting Chrysler MS-6395 specification. Transmission Fluid Specification: ATF+4 (Automatic Transmission Fluid) Known Issues Common Problems: Transmission solenoid issues, power steering pump leaks, exhaust manifold cracks, alternator failures, and HVAC blend door actuator problems are commonly reported. 📚 Vehicle History Brand Heritage Chrysler Legacy: Chrysler has a long history of producing large, comfortable American sedans. Model Evolution Lh Platform: These models are part of the second generation of Chrysler's LH platform, which debuted in 1998. Production Manufacturing Location: Brampton Assembly Plant, Ontario, Canada. 🏆 Awards & Recognition Recognitions Car And Driver 10Best: The Chrysler...