2003 Chrysler 300M Service and Repair Manual

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Factory-Grade Data

2003 Chrysler 300M service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • SS Sport Utility 4-Door
  • Base Sport Utility 4-Door
  • LT Sport Utility 4-Door
  • Special Sedan 4-Door
  • Base Sedan 4-Door
  • Pro-Am Sedan 4-Door

Engines covered

  • 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
  • 4.2L 256Cu. In. l6 GAS DOHC Naturally Aspirated
  • 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
  • 3.5L 3497CC 215Cu. In. V6 GAS SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2003 Chrysler 300M Recalls & Complaints

NHTSA #09E01200007/04/2009Component: EXTERIOR LIGHTING

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONF

Consequence

DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.

Remedy

SABERSPORT WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S

TSB #10229256

KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicl

TSB #10221686

KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicl

TSB #10220489

Valve Body. These may cause over drive cycling.

TSB #10191460

Valve Body. These may cause over drive cycling.

TSB #10175735

Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are neces

TSB #10175743

Disinfectant Solution Recommended for COVID-19

TSB #10229181

Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-E

TSB #10223602

Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-E

Showing the 8 most recent of 68 technical service bulletins on file with NHTSA.

20080111Component: AIR BAGSCrash reported1 injured

TL*THE CONTACT OWNS A 2003 CHRYSLER 300M. WHILE DRIVING 55 MPH, THE VEHICLE BEGAN TO HYDROPLANE AND THE VEHICLE SPUN OFF THE ROAD AND STRUCK THREE GUARD RAILS. THE AIR BAGS FAILED TO DEPLOY. HE SUS

20030915Component: VEHICLE SPEED CONTROLCrash reported

WHEN SITTING AT A LIGHT, THE VEHICLE JUMPED FORWARD AT TIMES AND OR BACKWARDS WITHOUT WARNING AND AS A RESULT, ANOTHER VEHICLE WAS HIT. *AK CHYSLER FOUND NOTHING WRONG. THERE WAS ANOTHER INCIDENT

20100611Component: ELECTRICAL SYSTEMFire reported

THE CAR WAS IN THE GARAGE CARPORT DURING THE NIGHT. AT ABOUT 5:25 IN THE MORNING THE CAR START TO BURNING BY ITSELF AND IT LOOKS LIKE AN ELECTRICITY FAILURE HAS HAPPENED. THE CAR BURNED ALL THE FRON

20200623Component: STEERING

THE STEERING AXLE ATTACH TO THE RACK OF PINION KEEP COMING OFF. WHEN THAT HAPPEN THE WHEEL FELL TO THE GROUND. IN MY CAR THIS IS THE 3RD TIME THAT HAPPEN. *TR

20200623Component: WHEELS

THE STEERING AXLE ATTACH TO THE RACK OF PINION KEEP COMING OFF. WHEN THAT HAPPEN THE WHEEL FELL TO THE GROUND. IN MY CAR THIS IS THE 3RD TIME THAT HAPPEN. *TR

Showing the 5 most serious of 44 complaints filed with NHTSA.

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