2003 Buick Regal Component Locations (ONLINE REPAIR MANUALS)

Auto Parts Search


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
Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Buick Regal car and truck repair procedures including Buick 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 2003 Buick Regal automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >

We have info for following modifications of 2003 Buick Regal

  • 2003 Buick Regal GS 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:1
  • 2003 Buick Regal LS 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K

COMPONENT LOCATION DIAGRAMS FOR 2003 Buick Regal AUTOMOBILES

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

Behind Right Side Of Radiator Diagram for 2003 Buick Regal LS 3.8 V6 GASBehind Right Side Of Radiator Diagram for 2003 Buick Regal LS 3.8 V6 GAS

Components on diagram:
  • Coolant Level Switch
  • Cooling Fan Motor
  • Right Side Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GASRight Side Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Camshaft Position (CMP) Sensor
  • Ignition Control Module (ICM) Wiring Harness
  • Top Front Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GASTop Front Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Fuel Injector 1
  • Fuel Injector 3
  • Manifold Absolute Pressure (MAP) Sensor
  • Evaporative Emissions (EVAP) Canister Purge Solenoid Valve
  • Connector C-110
  • Left Front Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GASLeft Front Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Throttle Position (TP) Sensor
  • Mass Air Flow (MAF) Sensor
  • Idle Air Control (IAC) Valve
  • Inside Air Temperature (IAT) Sensor
  • Automatic Transmission  Electronic Component Views Diagram for 2003 Buick Regal GS 3.8 V6 GASAutomatic Transmission Electronic Component Views Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Transmission Fluid Temperature Sensor
  • Vehicle Speed Sensor Assembly
  • 2-3 Shift Solenoid Valve Assembly
  • Shift Lever Assembly
  • 1-2 Shift Solenoid Valve Assembly
  • Steering Wheel Component View Diagram for 2003 Buick Regal LS 3.8 V6 GASSteering Wheel Component View Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Windshield Wiper/Washer Switch
  • Turn Signal Switch
  • Headlamp Dimmer Switch
  • Cruise Control Switch
  • Inflatable Restraint Steering Wheel Module
  • Lower Leading Edge Of Front Door Diagram for 2003 Buick Regal LS 3.8 V6 GASLower Leading Edge Of Front Door Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Front Radio Speaker
  • Radio Speaker Connector, Midrange
  • Radio Speaker Connector, Tweeter
  • Behind Right Side Of Instrument Panel Diagram for 2003 Buick Regal GS 3.8 V6 GASBehind Right Side Of Instrument Panel Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Rear Window Defogger Relay
  • Rear Compartment Lid Release Relay
  • Retained Accessory Power (RAP) Relay
  • Instrument Panel Courtesy Lamp
  • Haedlamp Relay
  • Left Side Of Rear Window Diagram for 2003 Buick Regal LS 3.8 V6 GASLeft Side Of Rear Window Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Connector C-2
  • Rear Window Defogger Grid Connector
  • CLICK HERE TO GET FULL ACCESS TO 2003 Buick Regal PARTS/COMPONENTS LOCATION DIAGRAMS!

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

    Click here to view more details about 1994 Buick Regal Side Marker Assembly, Front, Driver Side1994 Buick Regal Side Marker Assembly, Front, Driver Side, A High Quality, Direct Fit OE Replacement For Side Marker Assembly.

    Source: Auto Body Parts Store

    $1.61

    Click here to view more details1997 Buick Regal Cylinder Head Gasket Set, First design; Includes molded rubber valve cover gaskets and premium valve stem seals; Intake manifold gasket, head bolts and exhaust pipe flange not included; A high quality, direct fit OE replacement cylinder head gasket set; Head bolt replacement required; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $193.09

    Click here to view more details1987 Buick Regal Driver Side Front Painted Bumper Guard Without Cushion For 2-Door Models, Driver Side Front Painted Bumper Guard Without Cushion For 2-Door Models, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $49.50

    Click here to view more details1993 Buick Regal Custom V6, 3.1 L, 189 CID Rebuilt Engine, FWD, without cam sensor, flat lifters., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,445.00

    Click here to view more details2012 Buick Regal Used TV-Info-GPS Screen, Driver Side, (info), opt UDY, Very Good.

    Source: Used Auto Parts Store

    $113.00

    Click here to view more details2011 Buick Regal Used Heater and A/C controls, AUTOMATIC TEMPERATURE CONTROL (OPT CJ2), ID 13297382, Very Good.

    Source: Used Auto Parts Store

    $96.00
    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 Buick Regal 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