2003 Pontiac Sunfire REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

Auto Parts Search


2003 Pontiac Sunfire CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Pontiac 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!

Help me findSearch

Select Section

Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Pontiac Sunfire car and truck repair procedures including Pontiac 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 Pontiac Sunfire 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 Pontiac 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 Pontiac Sunfire 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 Pontiac Sunfire AUTOMOBILES

Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

Passenger Cars

Reverse disarming procedures to arm the Supplemental Restraint System, noting the following:

  • Ensure all disconnected SRS electrical connectors are securely connected and routed.
  • Install all removed fuses in proper locations.
  • From a safe position at sides of or below air bag module, Turn ignition switch to ON position and observe Air Bag or SRS warning lamp.
  • On all models except Prizm and 1990 Corvette, warning lamp should flash seven to nine times, then go off.
  • On Prizm models, warning lamp should light for six seconds,...

CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire A/C & HEATER SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 2003 Pontiac Sunfire AUTOMOBILES

Drum Brakes -> Type 1 -> Adjustments -> Parking Brake -> Service Brake
Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

These brakes have self-adjusting shoe mechanisms that ensure proper lining-to-drum clearances at all times. The automatic adjusters operate only when the brakes are applied as the vehicle is moving rearward.

An initial adjustment is required after the brake shoes have been relined or replaced, or when the length of the adjusting screw has been changed during service operations.

Frequent usage of an automatic transmission forward range to halt reverse vehicle motion may prevent the automatic adjusters from functioning, thereby inducing low pedal heights. Should low pedal heights be enc...

CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire BRAKE SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Pontiac Sunfire AUTOMOBILES

General Motors Corp./Saturn Passenger Cars -> Fuel Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the v...

CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Pontiac Sunfire AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

  • Disconnect negative battery cable.
  • Raise and suitably support vehicle.
  • Remove tire and wheel assembly.
  • Place shop towels underneath outer joint to protect from any sharp edges.
  • Insert a drift into caliper and rotor to prevent rotor from turning.
  • Remove drive axle nut and washer.
  • Remove lower ball joint from steering knuckle. If you remove right axle, turn wheel to left. If you remove left axle, turn wheel to right.
  • Disconnect wheel speed sensor harness.
  • Disconnect stabilizer link from low...

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

STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Pontiac Sunfire AUTOMOBILES

Alternator, Replace
Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

  • Disconnect battery ground cable.
  • Disconnect alternator electrical connectors.
  • Rotate tensioner clockwise with suitable wrench and slide belt from alternator pulley.
  • Release tensioner and remove belt, usin...

CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire STARTER & ALTERNATOR REPLACEMENT PROCEDURES

MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Pontiac Sunfire AUTOMOBILES

General Motors Corp./Saturn Cars -> Air Bag Warning Lamp ->
Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. If the air b...

CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Pontiac Sunfire AUTOMOBILES

Radiator, Replace
Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

  • Drain cooling system into suitable container.
  • Remove hood latch assembly.
  • Remove righthand and lefthand headlamp assemblies.
  • Remove radiator upper mount attaching bolts, then the mounts.
  • Raise vehicle using suitable lift.
  • Remove cooling fan mounting bolts, disconnect electrical connectors, then the cooling fan.
  • Remove radiator outlet hose clamp from radiator using tool No. J381...

CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire RADIATOR & HOSE REPLACEMENT PROCEDURES

SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Pontiac Sunfire AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

  • Remove coolant reservoir.
  • Rotate tensioner clockwise with a 15mm wrench ...

CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire SERPENTINE BELT SERVICE PROCEDURES

COMPONENT LOCATION DIAGRAMS FOR 2003 Pontiac Sunfire AUTOMOBILES

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

Hydraulic Brake Diagram for 2003 Pontiac Sunfire  2.2 L4 GASHydraulic Brake Diagram for 2003 Pontiac Sunfire 2.2 L4 GAS

Components on diagram:
  • Turn Signal/Hazard Flasher Module
  • Brake Fluid Level Switch
  • Stop Lamp Switch
  • Electronic Brake Control Module
  • Rear Package Shelf Speakers and CHMSL Diagram for 2003 Pontiac Sunfire  2.2 L4 GASRear Package Shelf Speakers and CHMSL Diagram for 2003 Pontiac Sunfire 2.2 L4 GAS

    Components on diagram:
  • Center High Mounted Stoplamp
  • Speaker
  • CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Pontiac Sunfire AUTOMOBILES

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

    2003 Pontiac Sunfire  2.2 L4 GAS Wiring Diagram2003 Pontiac Sunfire 2.2 L4 GAS Wiring Diagram

    Components on diagram:
  • Blower Motor Resistor
  • Blower Switch
  • Blower Motor
  • Heater Blower Relay
  • Heater/Vent/Air Conditioning Control Assembly
  • 2003 Pontiac Sunfire  2.2 L4 GAS Wiring Diagram2003 Pontiac Sunfire 2.2 L4 GAS Wiring Diagram

    Components on diagram:
  • Master Window Switch
  • Express Down Module
  • CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Pontiac Sunfire AUTOMOBILES

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

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: New Website for AFIT, TPM, and VDR Updates
    Vehicle: 2003 Pontiac Sunfire 2.2 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Sunfire TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Pontiac Sunfire AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Pontiac Sunfire 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 Pontiac Sunfire 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 Pontiac Sunfire 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 Pontiac Sunfire 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 Pontiac Sunfire SPECIFICATIONS DATA!

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

    Click here to view more details about 2002 Pontiac Sunfire Headlight, Driver Side2002 Pontiac Sunfire Headlight, Driver Side, Bulbs included; Composite type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $24.95

    Click here to view more details about 1999 Pontiac Sunfire Turn Signal Light, Driver Side1999 Pontiac Sunfire Turn Signal Light, Driver Side.

    Source: Auto Body Parts Store

    $4.47

    Click here to view more details about 2004 Pontiac Sunfire 15" Wheel Cover2004 Pontiac Sunfire 15" Wheel Cover, Wheel Cover; 15 Inch; 3 Spokes; Chrome, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $41.50

    Click here to view more details1998 Pontiac Sunfire L4, 2.2 L, 134 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,580.00

    Click here to view more details2003 Pontiac Sunfire Used Bumper Bar, Front, 2DR, SIL, LS SPORT Without foam, Good.

    Source: Used Auto Parts Store

    $97.00

    Click here to view more details1999 Pontiac Sunfire Used Bumper Bar, Front, 4DR, Green, SE W/FOAM, Very Good.

    Source: Used Auto Parts Store

    $113.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2003 Pontiac Sunfire vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find