2003 Jeep Liberty Service and Repair Manual

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Factory-Grade Data

2003 Jeep Liberty 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

  • Limited Sport Utility 4-Door
  • Renegade Sport Utility 4-Door
  • Sport Sport Utility 4-Door

Engines covered

  • 3.7L 226Cu. In. V6 GAS SOHC Naturally Aspirated
  • 2.4L 148Cu. In. l4 GAS DOHC 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 Jeep Liberty Recalls & Complaints

NHTSA #15V67300019/10/2015Component: AIR BAGS:SIDE/WINDOW

Chrysler (FCA US LLC) is recalling certain model year 2003 Jeep Liberty vehicles manufactured March 29, 2003, to July 3, 2003, and 2004 Jeep Grand Cherokee vehicles manufactured May 27, 2003, to May 2

Consequence

Inadvertent deployment of the air bags may increase the risk of injury and the possibility of a vehi

Remedy

Chrysler will notify owners, and dealers will replace the air bag electronic control module and the

NHTSA #13V25200019/06/2013Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

Chrysler Group LLC (Chrysler) is recalling certain model year 1993-1998 Jeep Grand Cherokee and 2002-2007 Jeep Liberty vehicles. The fuel tanks in these vehicles are at risk of failure and leakage in

Consequence

A fuel leak in the presence of an ignition source may result in a fire.

Remedy

Owners may take their vehicles to dealers and the dealers will perform a free inspection of the rear

NHTSA #09E03900019/06/2009Component: SUSPENSION

ROCK KRAWLER IS RECALLING 44 PERFORMANCE SUSPENSION SYSTEMS SOLD AS AFTERMARKET EQUIPMENT FOR USE ON THE VEHICLE LISTED ABOVE. THESE SUSPENSION SYSTEMS WERE PRODUCED WITH GRADE 2 CARRIAGE BOLTS INSTE

Consequence

THIS CONDITION COULD CAUSE A LOSS OF EFFECTIVE LIFT AND LOWERING OF THE AFFECTED VEHICLE, POSSIBLY C

Remedy

ROCK KRAWLER WILL NOTIFY OWNERS AND PROVIDE A FREE REMEDY. THE SAFETY RECALL BEGAN ON OCTOBER 15. 2

NHTSA #03V46000010/11/2003Component: SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT

ON CERTAIN SPORT UTILITY VEHICLES, THE LOWER CONTROL ARM BALL JOINTS CAN EXPERIENCE A LOSS OF LUBRICATION THAT CAN LEAD TO CORROSION, ACCELERATED WEAR, AND POSSIBLE SEPARATION FROM THE STEERING KNUCK

Consequence

A BALL JOINT THATHAS SEPARATED FROM THE KNUCKLE COULD RESULT IN LOSS OF VEHICLE DIRECTIONAL CONTROL

Remedy

DEALERS WILL REPLACE THE FRONT LOWER CONTROL ARM BALL JOINTS WITH MODIFIED ASSEMBLIES AND HEAT SHIEL

NHTSA #09V11900009/04/2009Component: SUSPENSION:FRONT:CONTROL ARM

CHRYSLER IS RECALLING 42,469 MY 2002-2003 JEEP LIBERTY VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN SALT BELT STATES OF CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, KENTUCKY, MASSACHUSETT

Consequence

FAILURE OF THE BALL JOINT COULD RESULT IN A LOSS OF STEERING CAPABILITY, INCREASING THE RISK OF A CR

Remedy

DEALERS WILL REPLACE THE FRONT UPPER CONTROL ARM ASSEMBLIES FREE OF CHARGE. THE RECALL IS EXPECTED

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 #10220471

Mechanical rocker arm, intake, 1.7 ratio.

TSB #10191442

Mechanical rocker arm, intake, 1.7 ratio.

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 #10229877

Part Description: wheel hub cap Issue Description: This hubcap is installed directly to the wheel using screws; PN 00154236. This part is not currently listed in the catalog

Showing the 8 most recent of 64 technical service bulletins on file with NHTSA.

20140109Component: AIR BAGSCrash reportedFire reported2 injured

TL* THE CONTACT OWNS A 2003 JEEP LIBERTY. THE CONTACT WAS TRAVELING VARIOUS SPEEDS AND LOST CONTROL OF THE VEHICLE, JUMPING A CURB AND CRASHING INTO AN EMBANKMENT. THE AIR BAGS FAILED TO DEPLOY AND TH

20061117Component: ENGINE AND ENGINE COOLING:ENGINECrash reportedFire reported

MY WIFE WAS DRIVING HER 2003 JEEP LIBERTY IN TRAFFIC APPROACHING A STOP LIGHT. SHE BUMPED INTO THE CAR IN FRONT OF HER TRAVELING AT ABOUT 10 MPH. IT WAS SUCH A MINOR BUMP THAT THE AIR BAGS DID NOT DEP

20061117Component: ELECTRICAL SYSTEMCrash reportedFire reported

MY WIFE WAS DRIVING HER 2003 JEEP LIBERTY IN TRAFFIC APPROACHING A STOP LIGHT. SHE BUMPED INTO THE CAR IN FRONT OF HER TRAVELING AT ABOUT 10 MPH. IT WAS SUCH A MINOR BUMP THAT THE AIR BAGS DID NOT DEP

20170419Component: AIR BAGSCrash reported4 injured

TL* THE CONTACT OWNED A 2003 JEEP LIBERTY. WHILE DRIVING 75 MPH, THE FRONT DRIVER SIDE TIRE BLEW OUT WITHOUT WARNING. THE CONTACT WAS THE FRONT PASSENGER IN THE VEHICLE. THE DRIVER STATED THAT THE VEH

20170419Component: SUSPENSIONCrash reported4 injured

TL* THE CONTACT OWNED A 2003 JEEP LIBERTY. WHILE DRIVING 75 MPH, THE FRONT DRIVER SIDE TIRE BLEW OUT WITHOUT WARNING. THE CONTACT WAS THE FRONT PASSENGER IN THE VEHICLE. THE DRIVER STATED THAT THE VEH

Showing the 5 most serious of 1731 complaints filed with NHTSA.

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