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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+.

Steering Wheel And Column Component Views Diagram for 2003 Buick Regal LS 3.8 V6 GASSteering Wheel And Column Component Views Diagram for 2003 Buick Regal LS 3.8 V6 GAS

Components on diagram:
  • Automatic Transmission Shift Lock Control Solenoid
  • Lower Front Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GASLower Front Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Starter
  • Knock Sensor (KS)
  • Engine Oil Pressure (EOP) Switch
  • Ground G-100
  • Positive Battery Cable
  • Starter Diagram for 2003 Buick Regal GS 3.8 V6 GASStarter Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Starter
  • Fuse Link
  • Starter Solenoid Connector
  • Starter Connection
  • Engine Harness To Knock Sensor Diagram for 2003 Buick Regal LS 3.8 V6 GASEngine Harness To Knock Sensor Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Connector C-125
  • Knock Sensor (KS) 2
  • Knock Sensor (KS) Connector
  • Top Of Engine Diagram for 2003 Buick Regal GS 3.8 V6 GASTop Of Engine Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Fuel Injector 4
  • Fuel Injector 2
  • Fuel Injector 6
  • Manifold Absolute Pressure (MAP) Sensor
  • Emission Evaporative (EVAP) Canister Purge Solenoid Valve
  • 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
  • Bottom Left Side Of Instrument Panel Diagram for 2003 Buick Regal GS 3.8 V6 GASBottom Left Side Of Instrument Panel Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Instrument Panel Courtesy Lamp
  • Power Seat Subsystems Diagram for 2003 Buick Regal GS 3.8 V6 GASPower Seat Subsystems Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Seat Belt Switch
  • Seat Adjuster Switch
  • Connector C-311
  • Connector C-312
  • Seat Adjuster Motor Assembly
  • Air Bag Modules And Side Impact Sensor Diagram for 2003 Buick Regal GS 3.8 V6 GASAir Bag Modules And Side Impact Sensor Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Steering Wheel
  • Inflatable Restraint Steering Wheel Module
  • Inflatable Restraint I/P Module
  • Inflatable Restraint Side Impact Sensor
  • Inflatable Restraint Side Impact Module
  • 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 1999 Buick Regal Tail Light, Driver Side1999 Buick Regal Tail Light, Driver Side.

    Source: Auto Body Parts Store

    $118.77

    Click here to view more details about 2000 Buick Regal Window Regulator, Front, Driver Side2000 Buick Regal Window Regulator, Front, Driver Side, A high quality, direct fit OE replacement window regulator and motor kit..

    Source: Auto Body Parts Store

    $66.91

    Click here to view more details about 2004 Buick Regal Head Light Lens And Housing, Passenger Side2004 Buick Regal Head Light Lens And Housing, Passenger Side, PASSENGER SIDE HEAD LIGHT LENS AND HOUSING, WITH CORNERING LIGHT (OE SERVICE REPLACEMENT FOR WITHOUT CORNERING LIGHT), , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $101.34

    Click here to view more details1987 Buick Regal V6, 3.8 L, 231 CID Rebuilt Engine, RWD, 20 bolt pan, Fits turbo and non turbo. With oil pump kit only., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,283.00

    Click here to view more details2003 Buick Regal Used Air Flow Meter/Sensor, 3.8, AUTO, FWD 3.8L, Very Good.

    Source: Used Auto Parts Store

    $107.00

    Click here to view more details1989 Buick Regal Used A/C Compressor, V6, 3.1L, CHECK ID, Very Good.

    Source: Used Auto Parts Store

    $139.00
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