2004 Saturn L300 Service and Repair Manual

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Factory-Grade Data

2004 Saturn L300 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.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

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

Trims covered

  • 1 Sedan 4-Door
  • 2 Sedan 4-Door
  • 3 Sedan 4-Door
  • 3 Wagon 4-Door
  • 2 Wagon 4-Door
  • 1 Wagon 4-Door

Engines covered

  • 2.2L 2198CC 134Cu. In. l4 GAS DOHC Naturally Aspirated
  • 3.0L 3000CC 181Cu. In. V6 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

2004 Saturn L300 Recalls & Complaints

NHTSA #05V15800020/04/2005Component: SEAT BELTS

CERTAIN WAGONS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 210, "SEAT BELT ASSEMBLY ANCHORAGES." THE SEAT BELT ANCHOR MAY SEPARATE FROM THE FLOOR OF THE VEHICLE B

Consequence

IF A SEPARATION OCCURRED IN CRASH, THE RIGHT AND CENTER REAR SEAT OCCUPANTS MAY NOT BE PROPERLY REST

Remedy

DEALERS WILL INSTALL A REAR SEAT CENTER BELT ANCHOR REINFORCEMENT PLATE TO THE FLOOR PAN OF THE VEHI

NHTSA #05V24500002/06/2005Component: EXTERIOR LIGHTING:BRAKE LIGHTS

ON CERTAIN SEDANS AND WAGONS, THE PLASTIC HOUSING IN THE REAR TAIL LAMP ASSEMBLY CAN BECOME DISTORTED IF THE BRAKE LAMPS REMAIN ON FOR AN EXTENDED TIME.

Consequence

THIS CAN CAUSE (1) AN INTERMITTENTLY INOPERATIVE BRAKE/TAIL LAMP BULB OR (2) A SHORT CIRCUIT THAT OP

Remedy

DEALERS WILL INSTALL TWO NEW TAIL LAMP REINFORCING SOCKET ADAPTERS AND SOCKETS FREE OF CHARGE. TH

TSB #11020816

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

TSB #11007208

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

TSB #11006621

Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected mo

TSB #11004557

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

TSB #11002312

This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.

TSB #11000576

This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.

TSB #10252735

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

TSB #10251890

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou

Showing the 8 most recent of 366 technical service bulletins on file with NHTSA.

20141120Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2004 SATURN L300. THE CONTACT STATED THAT WHILE PROCEEDING THROUGH TRAFFIC LIGHT AT APPROXIMATELY 20 MPH, ANOTHER DRIVER FAILED TO SEE THE CONTACT IN THE INTERSECTION AND CRASH

20090914Component: AIR BAGSCrash reported1 injured

TL*THE CONTACT OWNS A 2004 SATURN L300. WHILE DRIVING 5 MPH, A VEHICLE CRASHED INTO THE DRIVERS SIDE OF THE VEHICLE, BENT THE FRAME AND DESTROYED THE VEHICLE. THE CONTACT ALSO STATED THAT THE FRONTAL

20100303Component: VEHICLE SPEED CONTROLCrash reported

TL*THE CONTACT OWNS A 2004 SATURN L300. THE CONTACT WAS DRIVING APPROXIMATELY 20 MPH AND DEPRESSED THE BRAKES VERY GENTLY WHEN THE VEHICLE ACCELERATED. THE MOTORED ROARED AFTER ACCELERATING. THE VEH

20100303Component: AIR BAGSCrash reported

TL*THE CONTACT OWNS A 2004 SATURN L300. THE CONTACT WAS DRIVING APPROXIMATELY 20 MPH AND DEPRESSED THE BRAKES VERY GENTLY WHEN THE VEHICLE ACCELERATED. THE MOTORED ROARED AFTER ACCELERATING. THE VEH

20181022Component: ELECTRICAL SYSTEMFire reported

WIPER SWITCH HEATS UP ON IGNITION AND ALSO RANDOMLY WHILE RUNNING - CAUSING SMOKE AND BURNING SMELLFROM STEERING COLUMN AND WIPERS TO TURN ON BY THEMSELVES. FIRST REPLACEMENT DONE BY CERTIFIED MECHANI

Showing the 5 most serious of 78 complaints filed with NHTSA.

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