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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!
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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 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:
  • Vacuum/Electric Solenoid
  • Blower Motor Resistor Assembly
  • Blower Motor
  • I/P Fuse Block
  • Connector C-200
  • 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
  • Automatic Transmission  Electronic Component Views Diagram for 2003 Buick Regal LS 3.8 V6 GASAutomatic Transmission Electronic Component Views Diagram for 2003 Buick Regal LS 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
  • Cigar Lighter Jumper Harness View Diagram for 2003 Buick Regal LS 3.8 V6 GASCigar Lighter Jumper Harness View Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Connector C-242
  • Lower Left Of Instrument Panel Diagram for 2003 Buick Regal LS 3.8 V6 GASLower Left Of Instrument Panel Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Fog Lamp Switch
  • Driver Information Display
  • Fog Lamp Switch Connector
  • Driver Information Display Switch Connector
  • Antenna Cable Diagram for 2003 Buick Regal LS 3.8 V6 GASAntenna Cable Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Radio
  • Connector C-290
  • Front Windshield Antenna Diagram for 2003 Buick Regal GS 3.8 V6 GASFront Windshield Antenna Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Windshield Radio Antenna Cable Connection
  • Windshield Radio Antenna Ground Connections
  • OnStar System Diagram for 2003 Buick Regal LS 3.8 V6 GASOnStar System Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Vehicle Communications Interface Module
  • Cellular Telephone Microphone
  • Cellular Telephone Antenna
  • Navigation Antenna
  • OnStar Button Assembly
  • Below Left Side Of IP Diagram for 2003 Buick Regal LS 3.8 V6 GASBelow Left Side Of IP Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Turn Signal/Hazard Flasher Module
  • Backup Lamp Relay
  • Body Control Module (BCM)
  • I/P Courtesy Lamp
  • Connector C-1
  • 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 1992 Buick Regal Headlight, Driver Side1992 Buick Regal Headlight, Driver Side, Bulbs included; Composite type; DOT and SAE approved; A high quality, direct fit OE replacement headlight assembly..

    Source: Auto Body Parts Store

    $50.60

    Click here to view more details about 1993 Buick Regal Park Light Assembly, Driver Side1993 Buick Regal Park Light Assembly, Driver Side, A High Quality, Direct Fit OE Replacement For Park Light Assembly.

    Source: Auto Body Parts Store

    $8.40

    Click here to view more details1987 Buick Regal Lower Door Moulding Clips, Lower Door Moulding Clips, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $5.50

    Click here to view more details1974 Buick Regal V8, 7.5 L, 455 CID Rebuilt Engine, Without smog., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,077.00

    Click here to view more details1998 Buick Regal Used Bumper Cover, Rear, 4DR, Gray, LS, Good.

    Source: Used Auto Parts Store

    $197.00

    Click here to view more details2012 Buick Regal Used Bumper Cover, Rear, 13348834-S TEAR, Good.

    Source: Used Auto Parts Store

    $339.00
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