Segment:
Full-size sedan, premium American luxury
Competitors:
Ford Crown Victoria, Mercury Grand Marquis, Chevrolet Impala, Buick LeSabre, Toyota Avalon, Nissan Maxima
Platform Sharing:
Shares the LH platform with the Chrysler Concorde and Dodge Intrepid, allowing for common service procedures
Manual Value:
Provides detailed repair information for a diverse range of systems, crucial for DIY mechanics and independent repair shops
Covered Models:
2004 Chrysler 300M, Chrysler Concorde, Dodge Intrepid
Related Documentation:
2003 LH Body, 2004 LH Body Supplement, LH Transmission, LH Chassis, LH Powertrain
Estimated Pages:
Likely several thousand pages, typical for a comprehensive service manual
Type:
Service and Repair Manual
Format:
PDF (Downloadable)
Powertrain:
Engine systems, exhaust system, fuel system, transaxle
Chassis:
Suspension, driveline, brakes, steering, tires/wheels, frame & bumpers
Electrical Electronic:
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, Wiring
Body:
Body, Heating & Air Conditioning
Cooling System:
Radiator, water pump, thermostat, heater core, cooling fan operation, and coolant leak diagnosis.
Exhaust System:
Component replacement (muffler, pipes, catalytic converter), exhaust leak diagnosis.
Steering System:
Power steering pump, rack and pinion, tie rod ends, and steering column servicing.
Maintenance:
Lubrication, fluid changes, filter replacements, scheduled maintenance
Diagnostics:
Troubleshooting guides, diagnostic procedures for all major systems
Repair:
Assembly, disassembly, adjustment, and replacement of components
Wiring:
Detailed wiring diagrams for all electrical systems
Emissions Control:
Covers diagnosis and repair of emission control systems, including catalytic converters, oxygen sensors, and EVAP system components.
Depth:
Comprehensive, covering everything from basic maintenance to advanced diagnostics and repair procedures
Engine Overhaul:
Detailed procedures for engine disassembly, inspection, assembly, and torque specifications for internal components.
Transmission Rebuild:
Includes diagrams and procedures for transaxle component replacement, torque converter, and valve body servicing.
Suspension Geometry:
Information on alignment specifications, component replacement (struts, ball joints, control arms), and troubleshooting suspension noise.
Brake System:
Detailed procedures for brake pad and rotor replacement, caliper service, ABS component testing, and bleeding procedures.
Electrical Diagnostics:
Wiring diagrams with component locations and test procedures for all electronic modules and circuits, including Powertrain Control Module (PCM) and Body Control Module (BCM).
Engine 1:
3.5L V6 SOHC 24-Valve MPI (High Output variant often found in 300M)
Engine 2:
3.5L V6 SOHC 24-Valve MPI (Standard output)
Engine 3:
2.7L V6 DOHC 24-Valve MPI (Common in Concorde and Intrepid)
Horsepower Range:
Approximately 200 hp to 255 hp depending on engine and tune
Torque Range:
Approximately 230 lb-ft to 255 lb-ft depending on engine and tune
Induction:
Multi-Point Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
NHTSA Front Impact:
Likely 4-star for driver and passenger (based on typical ratings for this era LH platform)
IIHS Side Impact:
Good (for models equipped with side airbags, which became more common)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Optional or standard on higher trims (TCS)
Airbags:
Frontal airbags, optional side-impact airbags
Restraint System:
Three-point seat belts with pretensioners
Audio System:
Optional premium audio systems (e.g., Infinity), CD player, cassette player, AM/FM radio
Navigation:
Optional factory navigation system available on some trims.
Cruise Control:
Standard speed control system, often with steering wheel mounted controls.
Telematics:
Optional Uconnect or similar telematics system might be available on later models or as an upgrade.
Oil Change:
Typically every 3,000-7,500 miles or 3-6 months, depending on oil type and driving conditions (consult manual for specific recommendations)
Transmission Fluid:
Check at regular intervals; change typically around 60,000-100,000 miles, but consult manual for specific fluid type and procedure.
Engine Oil:
Likely SAE 5W-30 or 10W-30 (API certified); consult manual for exact specification and capacity.
Coolant:
Mopar OAT (Organic Additive Technology) or equivalent HOAT coolant (specific color and type critical).
Transmission Fluid:
Likely ATF+4 (MS-9602) for the 42LE transmission. Confirm with manual.
Engine Mounts:
Premature failure of engine mounts is a common complaint, leading to vibration and noise.
Transmission Shifting:
Some models may experience rough shifting or delayed engagement; often related to solenoids or valve body issues.
Electronics:
Issues with power windows, door locks, and instrument cluster failures can occur.
HVAC:
Blend door actuator failures leading to incorrect temperature control are common.
