2003 Mitsubishi Lancer REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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2003 Mitsubishi Lancer CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mitsubishi REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Mitsubishi Lancer car and truck repair procedures including Mitsubishi engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your Mitsubishi Lancer automobile. Try the Automotix DIY solution today!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Mitsubishi mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2003 Mitsubishi Lancer vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

Air Bag System Precautions -> Mitsubishi -> Arming
Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

  • Ensure no one is inside vehicle.
  • Connect battery ground cable.
  • From position to side of air bag module, place ignition switch in On position.
  • Ensure SRS warning lamp...

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BRAKE SERVICE PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

Mitsubushi -> Drum Brakes -> Adjustments -> Eclipse & Galant -> Lancer, Mirage & Outlander -> Montero & Montero Sport -> Parking Brake -> Service Brakes
Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

Service Brakes

Rear brakes should be adjusted after rear brake service or before adjusting parking brake. These brakes have self-adjusting shoe mechanisms that maintain correct brake lining to drum clearances at all times. The automatic self-adjusting mechanism operates whenever the parking brake lever is applied on all models except the Duo-Servo type. These contain a self-adjusting mechanism which operates when the brakes are applied as the vehicle is moving rearward.

Parking Brake

Montero & Montero Sport
  • Pull parking brake lever with force of approximately 45 lbs., noting the followi...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

Mitsubishi -> Fuel Filter Replacement -> Lancer w/Gasoline Engine -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2003 Mitsubishi Lancer Evolution 2.0 L4 GAS

Fuel System Pressure Relief

  • Remove the rear seat.
  • Remove the floor protector, then disconnect the fuel pump electrical connector.
  • Start the engine and let run until is stalls.
  • Place the ignition switch in Off position.
  • Disconnect the battery ground cable.
  • Connect the fuel pump electrical connector.
  • Install the protector and rear seat.

Removal & Installation

Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The hi...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

CV AXLE SHAFT, Replace -> Front
Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

Front

Do not strike ABS rotors or outer race of driveshaft against other parts when removing or installing driveshaft. Use care not to strike pole piece at tip of front wheel speed sensor with tools when servicing vehicle.

  • Raise and support vehicle and support it with safety stands in proper locations.
  • Remove wheel nuts and front wheels.
  • Remove wheel hub cotter pin, nut, and washer. Do not apply pressure to wheel bearing from vehicle weight to avoid possible damage when driveshaft nut is loosened.
  • On models equipped with ABS, remove bolt from front ABS wheel sensor bracket.
  • Re...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

Starter, Replace
Vehicle: 2003 Mitsubishi Lancer Evolution 2.0 L4 GAS

  • Disconnect battery ground cable.
  • Remove air cleaner assembly and intake manifold stay.
  • Remove starter cover.
  • Disconnect starter ground cabl...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

Cabin Air Filter Service -> Mitsubishi -> Lancer & 2003-06 Outlander
Vehicle: 2003 Mitsubishi Lancer Evolution 2.0 L4 GAS

Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.

  • Open the glove compartment.
  • Remove the glove compartment stops, then the glove compartment.
  • Remove the two screws securing the cabin air filter cover, the cover.
  • Remove the ...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

Mitsubishi -> Anti-Lock Brake System (ABS) Warning Lamp -> Except 2006-09 Raider
Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

The ABS warning lamp is used to warn of a system fault. It will be lit during engine start-up, but should go out when the self-diagnostic system determines that the system is functioning properly. If the lamp remains lit,...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

Lower

  • Disconnect battery ground cable.
  • Drain cooling system into a suitable container by loosening drain plug of radiator.
  • Reposition hose clamp at radiator outlet.
  • Remove hose from radiator.
  • Reposition hose clamp at water inlet.
  • Remove hose from water inlet.
  • Remove hose from vehicle.
  • Reverse procedure t...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

  • Loosen nut of alternator pivot bolt.
  • Loosen lock bolt.
  • Loosen adjusting bolt to relieve belt tension.
  • Remove drive belt.
  • Reverse p...

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COMPONENT LOCATION DIAGRAMS FOR 2003 Mitsubishi Lancer AUTOMOBILES

Component location diagrams for most 2003 Mitsubishi Lancer cars and light trucks sold in the U.S. from 1990+.

Solenoids And Solenoid Valves Diagram for 2003 Mitsubishi Lancer  2.0 L4 GASSolenoids And Solenoid Valves Diagram for 2003 Mitsubishi Lancer 2.0 L4 GAS

Components on diagram:
  • EGR Solenoid Valve
  • Hydraulic Unit
  • Evaporative Emission Purge Solenoid Valve
  • Auto Cruise Control Vacuum Pump
  • A/T Control Solenoid Valve Assembly
  • Engine Compartment Splice Locations Diagram for 2003 Mitsubishi Lancer  2.0 L4 GASEngine Compartment Splice Locations Diagram for 2003 Mitsubishi Lancer 2.0 L4 GAS

    Components on diagram:
  • Splice S-002
  • Splice S-003
  • Splice S-004
  • Splice S-005
  • Splice S-006
  • CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Mitsubishi Lancer AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 Mitsubishi Lancer cars and light trucks sold in the U.S.

    2003 Mitsubishi Lancer  2.0 L4 GAS Wiring Diagram2003 Mitsubishi Lancer 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Ignition Switch
  • Speedometer
  • Tachometer
  • Temperature gauge
  • 2003 Mitsubishi Lancer Evolution 2.0 L4 GAS Wiring Diagram2003 Mitsubishi Lancer Evolution 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Clutch Pedal Position Switch
  • Auto Cruise Control ECU
  • CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Mitsubishi Lancer AUTOMOBILES

    OEM TSB listings for most 2003 Mitsubishi Lancer cars and light trucks sold in the U.S. from 1985+.

    Document: FRONT STRUT MOUNTING BOLT TORQUE CORRECTED - S/M REVISION
    Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

    Auto Systems:
  • Steering, Suspension
  • Document: FRONT STRUT MOUNTING BOLT TORQUE CORRECTED - SERVICE MANUAL REVISION
    Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Steering, Suspension
  • CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Mitsubishi Lancer AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Mitsubishi Lancer cars and light trucks sold in the U.S. and Canada from 1970+.

    • Brake caliper mounting bolt torque
    • Brake drum runout, machining, & discard specs
    • Minimum brake lining thickness.
    • Brake rotor runout, parallelism, machining, discard, & finish specs

    A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2003 Mitsubishi Lancer cars and light trucks sold in the U.S. and Canada from 1980+.

    • Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

    COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

    PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

    QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2003 Mitsubishi Lancer cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

    • Automatic transmission/transaxles capacities, lubricant recommendations
    • Differential/final drive capacities, lube recommendations, grades, & viscosities
    • Final drive fill & drain plug torques
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
    • Severe service maintenance & interval recommendations
    • Tire sizes, wheel nut/bolt torque, pressures & rim sizes
    • Transfer case capacities, lube recommendations, grades, & viscosities

    TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2003 Mitsubishi Lancer cars and light trucks sold in the U.S. and Canada from 1980+

    • Airflow sensor electrical specifications
    • Tensioning specifications for systems with automatic tensioners
    • Barometric pressure sensor specs
    • Battery group number and cranking performance
    • Crankshaft & camshaft position sensor resistance
    • Engine compression pressures
    • Coolant temperature sensor specs
    • Computer advance.
    • Diesel fuel temperature sensor resistance.
    • Distributor advance specifications
    • Ignition pickup coil resistance
    • Exhaust gas recirculation temperature sensor resistance
    • Engine fastener torque values
    • Firing order diagrams
    • Fuel system pressures
    • Generator (alternator) specs
    • Intake air temperature sensor specs
    • Ignition coil specifications
    • Fuel injector resistance
    • Engine idle speeds
    • Knock sensor resistance
    • Manifold absolute pressure sensor specs
    • Mixture control solenoid resistance
    • Voltage regulator specs
    • Spark plug applications & gaps
    • Starter motor electrical specs.
    • Tensioning specifications for systems without automatic tensioners
    • Throttle body temperature sensor resistance
    • Ignition timing in degrees at rpm
    • Transmission oil temperature sensor resistance
    • Throttle position sensor specs
    • Vacuum sensor valve specs

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer SPECIFICATIONS DATA!

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    $50.12

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    Source: Auto Body Parts Store

    $84.58

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    Source: Wheels / Rims, Mirrors & Lights Store

    $225.50

    Click here to view more details2006 Mitsubishi Lancer L4, 2.4 L, 144 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

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