2004 Mitsubishi Galant Service and Repair Manual

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Factory-Grade Data

2004 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 Diamond Sedan 4-Door
  • DE Sedan 4-Door
  • ES Sedan 4-Door
  • ES Diamond Sedan 4-Door
  • LS Sedan 4-Door
  • GTS Sedan 4-Door

Engines covered

  • 3.8L 3828CC 230Cu. In. V6 GAS SOHC Naturally Aspirated
  • 2.4L 2351CC l4 GAS SOHC Naturally Aspirated
  • 2.4L 2378CC 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

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Vehicle Safety Data

2004 Mitsubishi Galant Recalls & Complaints

NHTSA #08V27600020/06/2008Component: ELECTRICAL SYSTEM:IGNITION

MITSUBISHI IS RECALLING 73,000 MY 2004-2006 GALLANT PASSENGER VEHICLES. DURING VEHICLE USE, THE IGNITION KEY INTERLOCK CABLE (WHICH IS A COMPONENT OF THE INTERLOCK SYSTEM) MAY ALLOW THE INTERLOCKING

Consequence

IF THE DRIVER DOES NOT SHIFT TO PARK BEFORE REMOVING THE KEY AND FAILS TO ENGAGE THE PARKING BRAKE,

Remedy

DEALERS WILL INSPECT AND CORRECT THESE VEHICLES FOR THE REPORTED CONDITION. THE RECALL BEGAN ON SEP

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 #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 #10235606

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

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 #10170853

Caution statements regarding the disposal of certain SRS components have been incorrect in the service manuals of affected vehicles. This TSB provides updated caution statements.

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.

Showing the 8 most recent of 94 technical service bulletins on file with NHTSA.

20050801Component: AIR BAGS:FRONTALCrash reported1 injured

DT: CONSUMER'S VEHICLE WAS INVOLVED IN AN ACCIDENT. IT STRUCK CONCRETE MEDIAN SEPARATOR ON HIGHWAY AT ABOUT 65 TO 75 MPH . UPON IMPACT AIR BAGS DID NOT DEPLOY. VEHICLE STRUCK CONCRETE WALL HEAD O

20120301Component: VEHICLE SPEED CONTROLCrash reported1 fatalities

MY SON'S CAR HAD BEEN IN THE SHOP TWICE FOR THE SAME THING. HE SAID HE WAS DRIVING DOWN THE HIGHWAY AND THE CAR WOULD RAPIDLY ACCELERATE TO A HIGH RATE OF SPEED. HE TRIED BRAKING, BUT THE CAR WOULD

20071115Component: TIRES:SIDEWALLCrash reported

2004 MITSUBISHI GALANT TIRE BLEW OUT. THIS CAUSED THE CONSUMER TO LOSE CONTROL OF THE VEHICLE AND DRIVE OFF THE LEFT SIDE OF THE ROAD AND HIT A WALL. *KB ACCORDING TO THE POLICE REPORT, THERE WERE 3

20070918Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTORCrash reported

I HAVE TAKEN MY 2004 MITSUBISHI GALANT TO THE DEALER OVER 9 TIMES FOR MY BRAKES. I CONTACTED A LAWYER FOR THE LEMON LAW AND WAS ADVISED THAT DUE TO MY MILEAGE I DIDN'T QUALIFY FOR A LEMON RETURN. HE A

20061205Component: VEHICLE SPEED CONTROLCrash reported

DT*: THE CONTACT STATED WHILE IN A PARKING LOT, THE VEHICLE ACCELERATED WITHOUT WARNING CAUSING A CRASH INTO A WALL. THE WALL SUSTAINED MINOR DAMAGE AND A POLICE REPORT WAS TAKEN. THE VEHICLE WAS TO

Showing the 5 most serious of 68 complaints filed with NHTSA.

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