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

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

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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!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    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

    Mitsubishi -> Component Replacement & Adjustment -> Receiver/Drier, Replace -> Diamante, Eclipse, Galant & Montero -> Endeavor & Outlander -> Montero Sport
    Vehicle: 2003 Mitsubishi Lancer Evolution 2.0 L4 GAS

    Diamante, Eclipse, Galant & Montero

    Recover refrigerant as outlined under . Refer to Figs. through , for receiver/drier and refrigerant line replacement.

    Endeavor & Outlander

    Refer to "Condenser, Replace" for receiver/drier replacement p...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

    Mitsubushi -> Hydraulic Brake Systems -> Adjustments -> Brake Booster Pushrod
    Vehicle: 2003 Mitsubishi Lancer 2.0 L4 GAS

    Brake Booster Pushrod

    • Remove master cylinder as outlined under "Component Replacement" then proceed as follows:
      • Measure distance between master cylinder end face and piston, Fig. . Position a square (straight scale) against edge of master cylinder, then measure and subtract thickness of the square to determine dimension B.
      • Find dimension C by measuring distance between brake booster mounting surface a...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer BRAKE SERVICE PROCEDURES

    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 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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer FUEL FILTER REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer STARTER & ALTERNATOR REPLACEMENT PROCEDURES

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

    Cabin Air Filter Service -> Mitsubishi -> Lancer & 2003-06 Outlander
    Vehicle: 2003 Mitsubishi Lancer 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 ...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

    Mitsubishi -> Malfunction Indicator Lamp (MIL) ->
    Vehicle: 2003 Mitsubishi Lancer Evolution 2.0 L4 GAS

    Immediately after the ignition switch is placed in the On position, the MIL will light for 5 seconds to indicate proper operation. The MIL will illuminate to indicate an emission control item fault. After diagnosis and repair are complete, place the ignition switch in the Off position, then clear st...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

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

    • Drain engine coolant into suitable contai...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Mitsubishi Lancer AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 2003 Mitsubishi Lancer Evolution 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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Mitsubishi Lancer SERPENTINE BELT SERVICE PROCEDURES

    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+.

    Emission Components Diagram for 2003 Mitsubishi Lancer  2.0 L4 GASEmission Components Diagram for 2003 Mitsubishi Lancer 2.0 L4 GAS

    Components on diagram:
  • Fuel Tank
  • Fuel Gauge Unit
  • Fuel Pump Module
  • Injector
  • Fuel Tank Differential Pressure Sensor
  • Luggage Compartment Connectors Diagram for 2003 Mitsubishi Lancer  2.0 L4 GASLuggage Compartment Connectors Diagram for 2003 Mitsubishi Lancer 2.0 L4 GAS

    Components on diagram:
  • Luggage Compartment Light
  • Rear Wiper Motor
  • Defogger
  • License Plate Light
  • Luggage Compartment Light Switch
  • 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 Evolution 2.0 L4 GAS Wiring Diagram2003 Mitsubishi Lancer Evolution 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Ignition Switch
  • Radio And CD Player
  • 2003 Mitsubishi Lancer Evolution 2.0 L4 GAS Wiring Diagram2003 Mitsubishi Lancer Evolution 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • 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!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 2005 Mitsubishi Lancer Rear Body Panel2005 Mitsubishi Lancer Rear Body Panel, A High Quality, Direct Fit OE Replacement For Rear Body Panel.

    Source: Auto Body Parts Store

    $45.80

    Click here to view more details about 2002 Mitsubishi Lancer Radiator Support2002 Mitsubishi Lancer Radiator Support, A high quality, OE replacement radiator center support; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $50.12

    Click here to view more details about 2003 Mitsubishi Lancer Driver And Passenger Altezza Design Side Tail Light Set With Carbon Fiber2003 Mitsubishi Lancer Driver And Passenger Altezza Design Side Tail Light Set With Carbon Fiber, DRIVER AND PASSENGER ALTEZZA DESIGN SIDE TAIL LIGHT SET WITH CARBON FIBER-LOOK BEZELS, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $92.63

    Click here to view more details2009 Mitsubishi Lancer L4, 2.0 L, 122 CID Rebuilt Engine, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

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    Click here to view more details2009 Mitsubishi Lancer Used Radio / CD Player / GPS, EXC EVOLUTION; RECVR, W/ SAT; (BEHIND DISPLAY), ROCKFORD-FOSTGATE, Very Good.

    Source: Used Auto Parts Store

    $180.00

    Click here to view more details2010 Mitsubishi Lancer Used A/C Compressor, EXC EVOLUTION, Without TURBO, Very Good.

    Source: Used Auto Parts Store

    $315.00
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