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2003 Buick Regal Service and Repair Manual
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$29.99 USD
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Covers all 2003 Regal trims — GS Sedan 4-Door, LS Sedan 4-Door ·
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Complete repair procedures
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2003 Buick Regal Service and Repair Manual
Regular price
$29.99 USD
Unit price
2003 Buick Regal service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- GS Sedan 4-Door
- LS Sedan 4-Door
Engines covered
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chev
Consequence
Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Remedy
The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety
DORMAN PRODUCTS IS RECALLING 3,900 INTERMEDIATE STEERING SHAFTS DORMAN PART NOS. 425-151, 425-152, AND 425-153, (SOLD UNDER DORMAN'S "OE SOLUTIONS" BRAND NAME), BALKAMP #'S 7-3057, 7-3058, 7-3059 (SOL
Consequence
IF THE WELD FAILS, LOSS OF STEERING COULD RESULT, POSSIBLY RESULTING IN A VEHICLE CRASH.
Remedy
DORMAN WILL NOTIFY OWNERS AND REPLACE THE STEERING SHAFTS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
DORMAN IS RECALLING 979 STEERING KNUCKLES, DORMAN P/NOS. 697-902 AND 697-903, SOLD UNDER DORMAN'S "OE SOLUTIONSTM" BRAND NAME, AND NAPA P/NOS. 7-8502 AND 7-8503 WHICH WERE SOLD FOR REPLACEM
Consequence
A BROKEN STEERING KNUCKLE COULD RESULT IN LOSS OF STEERING CONTROL AND A POSSIBLE CRASH WITHOUT WARN
Remedy
DORMAN WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE STEERING KNUCKLES FREE OF CHARGE AND REIMBURSE T
GENERAL MOTORS IS RECALLING 1,497,516 MY 1997-2003 BUICK REGAL, MY 1998-2003 CHEVROLET LUMINA, MONTE CARLO AND IMPALA, MY 1998-1999 OLDSMOBILE INTRIGUE, MY 1997-2003 PONTIAC GRAND PRIX VEHICLES EQUIPP
Consequence
IF THE MANIFOLD IS HOT ENOUGH AND THE OIL RUNS BELOW THE HEAT SHIELD, IT MAY IGNITE INTO A SMALL FLA
Remedy
DEALERS WILL REPLACE THE ENGINES FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF A
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected mo
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the deal
Showing the 8 most recent of 215 technical service bulletins on file with NHTSA.
THIS CAR WAS TOTALLED IN AN ACCIDENT WITH ANOTHER VEHICLE. PLEASE REMOVE NOTICES OF RECALL 09047 UPDATED 08/31/11 *BF
WHILE TRAVELING AT 25 MPH IN TRAFFIC DRIVER APPLIED THE BRAKES AND THE BRAKE PEDAL WAS VERY HARD. AS A RESULT, THE DRIVER HIT ANOTHER VEHICLE. *AK THE AIR BAG FAILED TO DEPLOY DURING THE ACCIDENT.
WHILE TRAVELING AT 25 MPH IN TRAFFIC DRIVER APPLIED THE BRAKES AND THE BRAKE PEDAL WAS VERY HARD. AS A RESULT, THE DRIVER HIT ANOTHER VEHICLE. *AK THE AIR BAG FAILED TO DEPLOY DURING THE ACCIDENT.
TL* THE CONTACT OWNED A 2003 BUICK REGAL. WHILE DRIVING 5 MPH, THE BRAKES MALFUNCTIONED AND ANOTHER VEHICLE STRUCK THE PASSENGER SIDE OF THE CONTACT'S VEHICLE. THE AIR BAGS DID NOT DEPLOY. A POLICE RE
TL* THE CONTACT OWNED A 2003 BUICK REGAL. WHILE DRIVING 5 MPH, THE BRAKES MALFUNCTIONED AND ANOTHER VEHICLE STRUCK THE PASSENGER SIDE OF THE CONTACT'S VEHICLE. THE AIR BAGS DID NOT DEPLOY. A POLICE RE
Showing the 5 most serious of 139 complaints filed with NHTSA.
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