2003 Mitsubishi Galant Service and Repair Manual

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Covers all 2003 Galant trims — LS V6 Sedan 4-Door, GTZ Sedan 4-Door, DE Sedan 4-Door +2 more ·
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2003 Mitsubishi Galant 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

  • LS V6 Sedan 4-Door
  • GTZ Sedan 4-Door
  • DE Sedan 4-Door
  • ES Sedan 4-Door
  • LS Sedan 4-Door

Engines covered

  • 3.0L 2972CC 181Cu. In. V6 GAS SOHC Naturally Aspirated
  • 2.4L 2351CC l4 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
NHTSA #09E02500011/05/2009Component: EXTERIOR LIGHTING:HEADLIGHTS

DOPE, INC. IS RECALLING 42,540 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

DOPE, INC. WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S

NHTSA #03V44200004/11/2003Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

ON CERTAIN PASSENGER VEHICLES, THE FUEL RETURN LINE HOSE FITTING ON THE ELECTRIC FUEL PUMP MAY BE RESTRICTED, CAUSING EXCESSIVE FUEL PRESSURE TO BUILD UP IN THE FUEL INJECTION SYSTEM. EXCESSIVE FUEL

Consequence

FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.

Remedy

DEALERS WILL INSPECT THE FUEL PUMP PRESSURE. THOSE VEHICLES EXHIBITING HIGHER THAN NORMAL FUEL PUMP

NHTSA #04V42800001/09/2004Component: EQUIPMENT:OTHER:LABELS

CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' THE BILINGUAL ENGLISH/SPANISH REMOVABLE AIR BAG WARNING L

Consequence

THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.

Remedy

MITSUBISHI CARIBBEAN WILL MAIL A CUSTOMER NOTIFICATION LETTER CONTAINING A WRITTEN DESCRIPTION AND A

TSB #10240443

This is a Dealer Letter sent to dealers informing that Mitsubishi Technical Training has launched the 3rd quarterly technician quiz for 2023.

TSB #10235609

This Technical Service Bulletin provides instructions and material safety data sheets for removal of rap-film adhesive residue.

TSB #10235606

This is a Dealer Letter sent to dealers informing that Mitsubishi Technical Training has launched the 2nd quarterly technician quiz for 2023.

TSB #10235608

This Technical Service Bulletin reviews the regulations that require a label showing the reduction in load carrying capacity be affixed to vehicles when the total net weight of accessories is more than 1.5 percent of the vehicle's gross veh

TSB #10211530

This Technical Service Bulletin was sent to dealers to explain the difference between normal dew condensation, which is a natural phenomenon, and water penetration caused by improper sealing or a defective/broken part.

TSB #10170852

This Technical Service Bulletin updates the door adjustment procedure in the Body Section of the applicable service manuals.

TSB #10170070

This TSB contains troubleshooting steps for diagnosis of various customer complaints relating to the audio system speakers in Mitsubishi vehicles equipped with original equipment audio components.

TSB #10170099

This is an index of Tech Talk newsletter articles released in 2012.

Showing the 8 most recent of 62 technical service bulletins on file with NHTSA.

20060412Component: AIR BAGS:FRONTALCrash reported2 injured

DT*: THE CONTACT STATED WHILE DRIVING 40MPH, THE VEHICLE WAS INVOLVED IN A CRASH AND THE AIR BAGS DID NOT DEPLOY. THE COLLISION OCCURRED WHEN ANOTHER VEHICLE RAN A RED LIGHT. THE CONTACT TRIED TO A

20031016Component: SEATS:FRONT ASSEMBLY:RECLINERCrash reported2 injured

VEHICLE WAS INVOLVED IN A FOUR CAR PILE UP. DURING THE COLLISION, VEHICLE WAS STRUCK FROM THE REAR AND FRONT, AND AIR BAGS DEPLOYED. REAR SEAT PASSENGER HIT THE FRONT PASSENGER'S SEAT, CAUSING IT

20031016Component: AIR BAGSCrash reported2 injured

VEHICLE WAS INVOLVED IN A FOUR CAR PILE UP. DURING THE COLLISION, VEHICLE WAS STRUCK FROM THE REAR AND FRONT, AND AIR BAGS DEPLOYED. REAR SEAT PASSENGER HIT THE FRONT PASSENGER'S SEAT, CAUSING IT

20090223Component: AIR BAGSCrash reported1 injured1 fatalities

TL*THE DRIVER OWNS A 2003 MITSUBISHI GALANT. WHILE DRIVING 55 MPH, THE DRIVER LOST CONTROL OF THE VEHICLE. THE VEHICLE STRUCK AN EMBANKMENT AND A POWER POLE BEFORE ROLLING OVER A COUPLE OF TIMES. T

20130812Component: STRUCTURE:BODYCrash reported1 injured

I WAS DRIVING AT 33 MPH ON A MAIN STREET WHEN CAR ON MY RIGHT GOES THROUGH STOP SIGN AND DRIVES INTO MY CAR. HE HIT THE FRONT OF MY CAR NEAR, BUT NOT INCLUDING, THE PASSENGER DOOR. AFTER IMPACT (H

Showing the 5 most serious of 167 complaints filed with NHTSA.

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