2012 Mitsubishi Lancer Service and Repair Manual

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Factory-Grade Data

2012 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

  • Evolution MR Sedan 4-Door
  • DE Sedan 4-Door
  • ES Sedan 4-Door
  • ES Sportback Hatchback 4-Door
  • GT Sportback Hatchback 4-Door
  • GT Sedan 4-Door
  • Evolution GSR Sedan 4-Door
  • SE Sedan 4-Door
  • Ralliart Sedan 4-Door
  • SE Sportback Hatchback 4-Door
  • GTS Sedan 4-Door

Engines covered

  • 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
  • 2.0L 1999CC 122Cu. In. l4 GAS DOHC Naturally Aspirated
  • 2.0L 1998CC 122Cu. In. l4 GAS DOHC Naturally Aspirated
  • 2.4L 2360CC 144Cu. In. l4 GAS DOHC Naturally Aspirated
  • 2.4L 2351CC 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

2012 Mitsubishi Lancer Recalls & Complaints

NHTSA #18V06900026/01/2018Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

Mitsubishi Motors North America, Inc. (MMNA) is recalling certain 2009-2012 Lancer, 2008-2012 Outlander, 2010-2012 Lancer Sportback, and 2011-2012 Outlander Sport vehicles equipped with either a 4B11

Consequence

If the drive belt detaches, the battery will discharge and the engine will stall, increasing the ris

Remedy

MMNA will notify owners, and dealers will replace the belt tensioner with one that has an improved s

TSB #11026481

Tech Talk is a service newsletter that was sent out to dealers. It covers various topics and reviews the previous months publications.

TSB #11006081

This Technical Service Bulletin instructs the dealer to update the Hands Free Module software to improve the Bluetooth connection when certain devices are connected to WiFi.

TSB #11003536

Service Manual Revision - This Technical Service Bulletin provides corrections to the description of special tools used to install the oil seal within the Automatic Transaxle sections of the applicable Service Manuals.

TSB #10240446

This Technical Service Bulletin provides service manual corrections and additional information for the transaxle assembly removal and installation of the roll stopper bracket.

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.

Showing the 8 most recent of 88 technical service bulletins on file with NHTSA.

20180130Component: AIR BAGSCrash reported1 injured

ANOTHER DRIVER RAN A STOP SIGN, I HIT THEIR VECHILE HEAD ON. MY AIRBAGS DID NOT DEPLOY.

20240201Component: POWER TRAINCrash reported

The front subframe(cross member) blew out, due to excessive corrosion. Causing the control arm to dismount as well as separation of the CV axle from the transmission, while traveling down the road los

20240201Component: WHEELSCrash reported

The front subframe(cross member) blew out, due to excessive corrosion. Causing the control arm to dismount as well as separation of the CV axle from the transmission, while traveling down the road los

20240201Component: STEERINGCrash reported

The front subframe(cross member) blew out, due to excessive corrosion. Causing the control arm to dismount as well as separation of the CV axle from the transmission, while traveling down the road los

20160616Component: ENGINECrash reported

RECEIVED VEHICLE AT 10KM, AFTER 2 OIL CHANGES, AT 16000KM MILIEGE DROPPED FROM 700KM ON A TANK OF GAS TO 300KM TANK OF GAS. AT 24000KM HEAVY TRANSMISSION AND ENGINE NOISES OCCURRED. GEARS SLIPPING OUT

Showing the 5 most serious of 26 complaints filed with NHTSA.

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