This manual covers the 300M, Concorde, and Intrepid models from the 2003 model year, built on the LH platform. These vehicles are known for their spacious interiors, comfortable ride, and powerful V6 engine options, including the 3.5L SOHC V6 and the High Output 3.5L SOHC V6. The 300M served as the premium flagship, the Concorde as the entry-level luxury sedan, and the Intrepid as the sportier variant, all offering a distinctive cab-forward design and a strong legacy of engineering quality. Their robust construction and often luxurious amenities made them popular choices for families and individuals seeking reliable and comfortable transportation.
This comprehensive service manual provides detailed guidance for the maintenance, troubleshooting, and repair of your 2003 300M, Concorde, or Intrepid. It covers all major systems, including the engine, transmission, brakes, electrical systems, suspension, steering, cooling, fuel, and emissions. Inside, you will find step-by-step repair procedures, diagnostic information, wiring diagrams, technical specifications, and scheduled maintenance recommendations. This manual is an essential resource for DIY enthusiasts, independent mechanics, and professional technicians aiming to ensure the optimal performance and longevity of these vehicles.
Model:
300M, Concorde, Intrepid
Platform:
Chrysler LH platform
Target Audience:
DIY car enthusiasts, independent repair shops, owners seeking to understand and maintain their vehicles.
Value Proposition:
Provides cost-saving opportunities and empowers owners with the knowledge to perform repairs and maintenance independently, ensuring quality and familiarity with their vehicle.
Accessibility:
Instant download, accessible on multiple devices, always available for reference.
Comprehensiveness:
Covers all major repair and maintenance aspects, including intricate systems and troubleshooting.
Systems Covered:
General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Engine Control System, Chassis/Body, Restraint System, Axle
Estimated Pages:
Extensive (typical factory service manuals for this era range from 1500-3000 pages, download will vary in completeness but aims for comprehensive coverage)
Type:
All Service Repair Manual (Downloadable)
Engine:
Detailed diagnostics, overhaul, repair procedures for all powertrain configurations.
Transmission:
Repair and overhaul of automatic transmissions (e.g., 42LE, 45RFE/48RE variants where applicable).
Brakes:
Hydraulic system, ABS, component replacement (pads, rotors, calipers), bleeding procedures.
Electrical:
Comprehensive wiring diagrams, component testing, diagnostic procedures for all electrical systems.
Suspension Steering:
Front and rear suspension component diagnosis, replacement, alignment specifications.
Cooling Fuel Emissions:
Radiator, thermostat, water pump, fuel injectors, EVAP system, exhaust.
Chassis Body:
Body panel repair, door mechanisms, interior trim, frame alignment.
Restraint System:
Airbag system diagnosis and service, seat belt mechanisms.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks, lubrication.
Troubleshooting:
Diagnostic flowcharts and procedures for common and uncommon issues.
Repair:
Step-by-step instructions for component removal, installation, and adjustment.
Rebuild:
Complete overhaul procedures for engine and transmission.
Depth:
Comprehensive: From basic fluid checks and filter changes to complete engine and transmission rebuilds, electrical system diagnostics, and chassis component overhauls.
Compatibility:
PDF format, viewable on all Windows and Mac operating systems with Adobe PDF Reader.
Requirements:
Adobe PDF Reader and WinZip required for full functionality.
Searchability:
Searchable text for quick information retrieval.
Binding:
Digital Download (Not Applicable for physical binding)
Paper Type:
Digital (Not Applicable for physical paper type)
300M/Concorde Lxi/Intrepid Es:
3.5L SOHC V6 (EGW engine code)
Intrepid Sxt/300M Special/Concorde Limited:
3.5L High Output SOHC V6 (EGL engine code)
3.5L Sohc V6:
Approx. 214-234 horsepower, 230-240 lb-ft torque (depending on specific model and tuning)
3.5L Ho Sohc V6:
Approx. 250-255 horsepower, 250-255 lb-ft torque
Fuel Delivery:
Sequential Multi-Port Fuel Injection (MPI)
Ignition Type:
Distributorless Ignition System (DIS) with Coil-on-Plug (COP) technology
Transmission Type 300M/Concorde Lxi/Intrepid Es:
42LE 4-speed automatic transmission
Transmission Type 300M Special/Concorde Limited/Intrepid Sxt:
45RFE/48RE 4-speed automatic transmission (with Tow/Haul mode on some models)
Optional Transmission:
Not applicable for this model year, all were automatic.
Transmission Fluid Type:
ATF+4 (Automatic Transmission Fluid)
Wheelbase:
Approx. 113.0 inches
Length:
Approx. 199.9 inches (300M), 201.0 inches (Concorde), 203.4 inches (Intrepid)
Width:
Approx. 74.4 inches
Height:
Approx. 57.4 inches
Curb Weight:
Approx. 3600-3800 lbs (depending on model and options)
NHTSA Front Impact Driver:
5-star (for 2003 models)
NHTSA Front Impact Passenger:
5-star (for 2003 models)
NHTSA Side Impact Front Driver:
4-star (for 2003 models)
NHTSA Side Impact Front Passenger:
4-star (for 2003 models)
NHTSA Rollover Rating:
4-star (for 2003 models)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Available Traction Control System (TCS)
Airbags:
Frontal airbags, optional side airbags
Seatbelts:
Pretensioner seatbelts
Audio System:
Premium Infinity audio systems were often optional, offering superior sound quality.
Climate Control:
Available automatic climate control systems.
Cruise Control:
Standard cruise control.
Remote Keyless Entry:
Available remote keyless entry system.
Oil Change Interval:
Every 5,000 - 7,500 miles or 6-12 months, depending on oil type and driving conditions.
Transmission Fluid Change:
Recommended every 30,000 - 60,000 miles or as per severe service schedule.
Coolant Flush:
Every 30,000 - 50,000 miles or 2-3 years.
Engine Oil Viscosity:
SAE 5W-30 (check owner's manual for specific requirements and API service classification)
Power Steering Fluid:
Chrysler Power Steering Fluid or equivalent (check manual for specific type)
Engine Mounts:
Premature wear or failure of engine and transmission mounts leading to vibration.
Intake Manifold Gaskets:
Leaking intake manifold gaskets can cause coolant and vacuum leaks.
Automatic Transmission Issues:
Slipping, delayed engagement, or shifting issues in the automatic transmissions (especially 42LE).
Power Window Motors:
Failure of power window regulators and motors.
HVAC Blend Door Actuators:
Failure of blend door actuators leading to temperature control problems.
Chrysler Legacy:
Chrysler has a long history of producing large, comfortable, and often innovative sedans.
Lh Platform Development:
These models are based on Chrysler's LH platform, known for its cab-forward design, long wheelbase, and distinctive styling.
300M Positioning:
The 300M was positioned as the premium, sportier flagship of the LH family, with a more luxurious interior and European-inspired styling.
Concorde Positioning:
The Concorde served as the entry-level luxury sedan within the LH family, offering a blend of comfort and style.
Intrepid Positioning:
The Intrepid was the sportier and more driver-focused option of the three, often featuring more aggressive styling cues and suspension tuning.
Production Period:
The 2003 model year represents the final year for the second generation of the LH platform vehicles.
Car And Driver Ten Best:
The Chrysler LH platform vehicles, including these models, were frequently recognized by automotive publications like Car and Driver for their engineering and value.
