2004 Mitsubishi Lancer Service and Repair Manual

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Factory-Grade Data

2004 Mitsubishi Lancer 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

  • Sportback Wagon 4-Door
  • DE Sedan 4-Door
  • ES Sedan 4-Door
  • Sportback Ralliart Wagon 4-Door
  • Ralliart Sedan 4-Door
  • LS Sedan 4-Door
  • Evolution Sedan 4-Door
  • OZ Rally Sedan 4-Door

Engines covered

  • 2.4L 2400CC l4 GAS SOHC Naturally Aspirated
  • 2.0L 1999CC 122Cu. In. l4 GAS SOHC Naturally Aspirated
  • 2.0L 2000CC l4 GAS SOHC Naturally Aspirated
  • 2.0L 1997CC 122Cu. In. l4 GAS DOHC Turbocharged

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 Lancer Recalls & Complaints

NHTSA #16V45800023/06/2016Component: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

Mitsubishi Motors North America, Inc. (MMNA) is recalling certain model year 2002-2007 Lancer, 2004 Lancer Wagon, 2003-2006 Lancer Evolution, 2003-2006 Outlander and 2007-2013 Outlander V-6 vehicles o

Consequence

A detached front control arm can result in the loss of control of the vehicle, increasing the risk o

Remedy

MMNA will notify owners, and dealers will inspect the front cross members. Depending on the level o

NHTSA #06E02300013/03/2006Component: EXTERIOR LIGHTING:HEADLIGHTS

CERTAIN ANZO COMBINATION HEADLAMP ASSEMBLIES SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES. SOME COMBINATION LAMPS ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS WHICH FAIL TO CONFORM

Consequence

WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING IN A VEHICL

Remedy

ANZO WILL NOTIFY OWNERS AND REPLACE THE HEADLAMPS FREE OF CHARGE. THE RECALL BEGAN MAY 9, 2006. OW

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 #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 #11026478

This Technical Information Notice informs dealers that with permission from the Puerto Rico Traffic Safety Commission, notification letters are being sent to vehicle owners with Puerto Rico addresses to inform them of open Takata recalls.

TSB #11024110

This Technical Information Notice informs dealers that with permission from the Texas Department of Motor Vehicles (DMV), notification letters are being sent to vehicle owners with Texas addresses to inform them of open Takata recalls.

TSB #11017996

This Technical Information Notice informs dealers that with permission from the Ohio Bureau of Motor Vehicle, notification letters are being sent to vehicle owners with Ohio addresses to inform them of open Takata recalls.

TSB #11017995

This Technical Information Notice informs dealers that with permission from the Louisiana Motor Vehicle Division, notification letters are being sent to vehicle owners with Louisiana addresses to inform them of open Takata recalls.

TSB #11012589

This is a Technical Information Notice informing dealers that MMNA is launching a social media campaign targeting vehicle owners with open Takata recalls.

TSB #11010045

This Technical Information Notice informs dealers that with permission from the Arizona Motor Vehicle Division, notification letters are being sent to vehicle owners with Arizona addresses to inform them of open Takata recalls.

TSB #11008814

This Technical Information Notice informs dealers that with permission from the Georgia Department of Revenue Motor Vehicle Division, notification letters are being sent to vehicle owners with Georgia addresses to inform them of open Takata

TSB #11008790

This Technical Information Notice informs dealers that with permission from the Georgia Department of Revenue Motor Vehicle Division, notification letters are being sent to vehicle owners with Georgia addresses to inform them of open Takata

Showing the 8 most recent of 91 technical service bulletins on file with NHTSA.

20100312Component: AIR BAGSCrash reportedFire reported1 injured

TL*THE CONTACT OWNS A 2004 MITSUBISHI LANCER. WHILE THE CONTACT WAS DRIVING OUT OF HER DRIVEWAY THE VEHICLES FRONT PASSENGER SIDE AIRBAG DEPLOYED WITHOUT WARNING FILLING THE INSIDE OF THE VEHICLE WIT

20070207Component: UNKNOWN OR OTHERCrash reported1 injured

2004 MITSUBISHI LANCE CUSTOMER HAS CONCERNS ABOUT THE DASH DESIGN. ***CC THE CONSUMERS DAUGHTER WAS INVOLVED IN AN ACCIDENT WHERE A JEEP GRAND CHEROKEE HIT HER. THERE WAS A VERY LONG, LARGE PIECE

20170912Component: SUSPENSION:FRONT:CONTROL ARM:LOWER ARMCrash reported

2004 MITSUBISHI LANCER WAGON. CONSUMER WRITES IN REGARDS TO CORROSION OF LOWER CONTROL ARM SAFETY RECALL. *LD THE CONSUMER STATED WHILE BACKING OUT OF A PARKING SPACE, THE VEHICLE BACKED INTO A TRU

20150422Component: VEHICLE SPEED CONTROLCrash reported

THIS CAR KEEPS IDLING HIGH WHEN IT EITHER GETS WARM OUT OR IF I HAVE BEEN DRIVING FOR A WHILE. I HAVE LOOKED ONLINE AND READ NUMEROUS COMPLAINTS ON THIS FOR THE SAME MAKE AND MODEL. EXTREMELY FRUSTRAT

20110515Component: EXTERIOR LIGHTINGCrash reported

THE HEADLIGHT WIRES GET SHORTER?... AND THE LIGHTS BURN OUT ALL THE TIME DUE TO FAULTY WIRING... WHY WON'T MITSUBISHI FIX THIS FOR PEOPLE???????? THEY'RE VERY WRONG TO NOT HELP PEOPLE WITH THIS SAFET

Showing the 5 most serious of 96 complaints filed with NHTSA.

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