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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+.

Lower Left Side Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GASLower Left Side Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GAS

Components on diagram:
  • A/C Compressor Clutch
  • Crankshaft Position (CKP) Sensor A
  • Knock Sensor (KS) 1
  • Engine Oil Pressure (EOP) Switch
  • Positive Battery Cable
  • Steering Assist Component Views Diagram for 2003 Buick Regal GS 3.8 V6 GASSteering Assist Component Views Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Automatic Transaxle
  • Park/Neutral Position Switch
  • MSVA Actuator Connector
  • Steering Gear Assembly
  • Vehicle Fuel Tank Diagram for 2003 Buick Regal GS 3.8 V6 GASVehicle Fuel Tank Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Connector C-405
  • Top Right Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GASTop Right Of Engine Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Ignition Coils
  • Ignition Control Module (ICM)
  • Ground G-111
  • Ignition Control Module (ICM) Wiring Harness
  • Center Console Diagram for 2003 Buick Regal LS 3.8 V6 GASCenter Console Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Cigar Lighter
  • Traction Control Switch
  • Auxiliary Power Outlet
  • Heated Seat Switch
  • Connector C-240
  • Left Side Of Rear Window Diagram for 2003 Buick Regal GS 3.8 V6 GASLeft Side Of Rear Window Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • RF Filter
  • Body Wiring Harness
  • Connector C-1
  • Connector C-3
  • Rear Window Defogger Grid Connector
  • Left Front Door Diagram for 2003 Buick Regal LS 3.8 V6 GASLeft Front Door Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Window Motor
  • Window Motor Connector
  • Grommet P-500
  • Seat Belt Component Views Diagram for 2003 Buick Regal LS 3.8 V6 GASSeat Belt Component Views Diagram for 2003 Buick Regal LS 3.8 V6 GAS

    Components on diagram:
  • Seat Belt Switch
  • Seat Belt Switch Connector
  • Steering Wheel Diagram for 2003 Buick Regal GS 3.8 V6 GASSteering Wheel Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Steering Wheel
  • Inflatable Restraint Steering Wheel Module Coil
  • Right Side Of Passenger Compartment Near Rocker Inner Panel Diagram for 2003 Buick Regal GS 3.8 V6 GASRight Side Of Passenger Compartment Near Rocker Inner Panel Diagram for 2003 Buick Regal GS 3.8 V6 GAS

    Components on diagram:
  • Inflatable Restraint Sensing And Diagnostic Module
  • Instrument Panel Wiring Harness
  • Body Wiring Harness
  • Connector C-1
  • Connector C-2
  • 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 details1995 Buick Regal Coolant Temperature Sensor, 3/8 in. x 18 NPT thread size; Pin type; With 2-prong male terminal; AutoTrust Platinum products are guaranteed to meet or exceed the original manufacturer's standards and quality; <b>Backed by a 5-year unlimited warranty</b>; If the part breaks or is damaged anytime within 5 years from purchase, simply cover shipping and handling and we will send you a new part - even if we have already sent you a new product and it becomes damaged again..

    Source: Auto Body Parts Store

    $7.34

    Click here to view more details2013 Buick Regal Door Handle Cover ABS, Door Handle Covers; 4 Door; Without Passenger Side Keyhole, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $41.45

    Click here to view more details1983 Buick Regal V6, 3.8 L, 231 CID Rebuilt Engine, RWD, 14 bolt pan, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,280.00

    Click here to view more details2012 Buick Regal Used Air Injection Pump, 2.4, AUTO, FWD (2.4L), Very Good.

    Source: Used Auto Parts Store

    $115.00

    Click here to view more details2003 Buick Regal Used A/C Compressor, 3.8, AUTO, FWD 3.8L, Very Good.

    Source: Used Auto Parts Store

    $139.00
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