The Chrysler 300M is a 4-door sedan from the LH (Second Generation) platform, produced from 1999 to 2004. This premium large sedan offers a blend of performance and luxury, competing in the near-luxury segment. Known for its comfort, style, and notable features, the 300M was a perennial contender on Car and Driver's 10Best list, highlighting its value and performance. It was equipped with either a 2.7L DOHC V6 engine producing approximately 200 horsepower or a 3.5L SOHC V6 engine delivering around 250-255 horsepower, both paired with electronically controlled 4-speed automatic transmissions. Safety features included standard anti-lock brakes and front and side curtain airbags, with optional traction control. This workshop repair service manual provides comprehensive coverage for all Chrysler 300M models, engines, trims, and transmissions. It is designed to empower DIY enthusiasts, independent repair shops, and owners with factory-level diagnostic and repair information. The manual details procedures for engine overhaul, transmission service, brake systems, electrical diagnostics, suspension, steering, cooling, fuel systems, emissions control, HVAC, and more. It includes general maintenance, troubleshooting guides, wiring diagrams, disassembly and assembly instructions, and critical notes, cautions, and warnings, all presented with hundreds of detailed diagrams and illustrations for clear understanding and efficient use. 🏷️ Basic Information Identification Make: Chrysler Model: 300M Year: 2003 Body Style: 4-door Sedan Generation Generation Code: LH (Second Generation) 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, and Chrysler 300M owners seeking self-sufficiency Competitive Analysis Advantage: Provides factory-level diagnostic and repair information, empowering users to save significantly on maintenance and repairs. Key Features Completeness: Complete and intact, with no missing or corrupt parts, replicating the original professional manual. Accessibility: Instant digital download for immediate access to critical repair information. Usability: Features numbered instructions, bold figure numbers, and easy-to-use table of contents for efficient navigation. 📋 Manual Details Coverage Areas Coverage Scope: All Models/Engines/Trim/Transmissions Types Page Count Estimated Page Count: Hundreds of pages (typical for full workshop manuals) Manual Type Type: Workshop Repair Service Manual Language Language: English Format File Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service And Repair: Comprehensive Engine Overhaul, Diagnostics, and Repair Transmission Service And Repair: Detailed procedures for automatic and manual transmission service Brake System: Service and repair of ABS, hydraulic components, and parking brake Electrical System: Diagnosis, repair, and wiring diagrams for all electrical components Suspension And Steering: Repair and alignment procedures for front and rear suspension and steering systems Cooling System: Service and repair of radiator, water pump, thermostat, and climate control cooling Fuel Injection And Fuel System: Diagnosis and repair of fuel pump, injectors, and fuel delivery system Emission Control System: Service and diagnosis of emissions-related components and systems Heating And Air Conditioning: Service and repair of HVAC system components and refrigerant handling Engine Control System: Diagnostic procedures for the Powertrain Control Module (PCM) and related sensors/actuators Chassis And Body: Body panel repair, frame alignment, and chassis component service Restraint System: Service and diagnosis of airbags and seatbelt systems Interior Trim And Components: Removal, installation, and repair of interior trim pieces and components Differential And Drive Axles: Service and repair of front/rear differentials and drive axles Procedures Included General Maintenance: Scheduled maintenance, fluid checks, and routine service procedures Troubleshooting: Systematic diagnostic procedures for identifying and resolving common and complex issues Periodic Lubrication: Lubrication points and recommended lubricant types and intervals Wiring Diagrams: Detailed, system-specific wiring diagrams for electrical troubleshooting Disassembly And Assembly: Step-by-step instructions for component removal and reinstallation Cleaning And Reinstallation: Procedures for cleaning and preparing components before reinstallation Technical Depth Depth Of Coverage: Comprehensive Professional Level (same as used by local service/repair shops) Diagnostic Capabilities: Advanced diagnostics for all vehicle systems Repair Information: Detailed repair procedures with substeps and illustrations Illustrations And Diagrams: Hundreds of detailed diagrams, drawings, and photos, including enlarged insets Notes Cautions Warnings: Inclusion of critical notes, cautions, and warnings throughout repair procedures 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full Printable Zoom Capabilities: Zoom IN/OUT functionality Binding Type Binding: Digital Download (no physical binding) Paper Type Paper Type: N/A (Digital Format) Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Options Available: The manual covers all engine types. For the 2003 model year, common engines included the 3.5L (SOHC) V6 and the 2.7L (DOHC) V6. Performance 3.5L V6 Performance Estimates: Approx. 250-255 horsepower, 250-255 lb-ft torque 2.7L V6 Performance Estimates: Approx. 200 horsepower, 190 lb-ft torque Fuel System Fuel Delivery: Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Type 3.5L: 4-speed Automatic (42LE) Optional Transmission Type 2.7L: 4-speed Automatic (41TE) Features Transmission Control: Electronically Controlled Automatic Transmission Fluid Requirements Transmission Fluid Spec: ATF+4 (Mopar) 📐 Dimensions Exterior Wheelbase: 112.1 inches Length: 198.4 inches Width: 74.4 inches Height: 57.0 inches...