Buick Regal 2003 Owners Manual

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🏷️ Basic Information Identification Make: Buick Model: Regal Year: 2003 Codes Oem Manual Code: General Motors 👋 Introduction Market Position Segment: Mid-size Sedan/Coupe Brand Perception: Positioned as a comfortable, well-equipped,...

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Description

🏷️ Basic Information

Identification

Make:

Buick

Model:

Regal

Year:

Codes

Oem Manual Code:

General Motors

👋 Introduction

Market Position

Segment:

Mid-size Sedan/Coupe

Brand Perception:

Positioned as a comfortable, well-equipped, and slightly more upscale offering within General Motors' portfolio.

Competitive Analysis

Key Competitors:

Ford Taurus, Chevrolet Impala, Dodge Intrepid, Toyota Camry, Honda Accord.

Key Features

Comfort And Ride:

Known for its smooth ride quality and comfortable interior, characteristic of Buick's brand identity.

Interior Appointments:

Often featured higher-quality materials and more amenities than its GM siblings.

Engine Options:

Offered a choice of robust V6 engines providing a balance of performance and efficiency.

📋 Manual Details

Coverage Areas

Primary Coverage:

Owner's Manual for Buick Regal 2003

Secondary Coverage:

Maintenance, Service, Operation, Safety

Page Count

Estimated Page Count:

Approximately 300-400 pages (typical for this model year and manual type)

Manual Type

Type:

Owner's Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Instrumentation And Controls:

Detailed explanation of dashboard indicators, warning lights, switches, and controls.

Safety Features:

Operation and limitations of seat belts, airbags (SRS), child restraint systems, and LATCH anchors.

Comfort And Convenience:

Operation of HVAC system (heater, air conditioner), audio system, power windows, locks, and mirrors.

Driving Operations:

Starting and stopping the engine, gear selection, parking, and basic driving techniques.

Emergency Procedures:

Procedures for flat tires, jump-starting, overheating, brake failure, and other critical situations. Includes location of spare tire and tools.

Service And Maintenance:

Recommended maintenance schedule, fluid level checks, tire pressure, and basic do-it-yourself tasks.

Appearance And Care:

Information on cleaning, protecting paint, interior care, and addressing minor cosmetic issues.

Technical And Consumer Info:

Vehicle identification number (VIN) location, tire information, warranty details, and consumer assistance information.

Procedures Included

Pre Driving Checks:

Step-by-step guide for performing essential checks before driving (fluid levels, tire pressure, lights).

Maintenance Tasks:

Guidance on checking and topping off engine oil, coolant, brake fluid, windshield washer fluid, and changing wiper blades.

Troubleshooting Basics:

Identification of common warning lights and basic actions to take.

Technical Depth

Depth:

Owner-level, focusing on operation, routine maintenance, and basic troubleshooting. Does not include in-depth repair procedures or diagnostic codes.

📊 Manual Specifications

File Format

File Type:

Searchable:

Likely searchable text, depending on the original scan quality.

Print Quality

Print Compatibility:

Designed to be printable on standard home or office printers.

Binding Type

Binding:

N/A (Digital format)

Paper Type

Paper Quality:

N/A (Digital format)

⚙️ Engine Specifications

Primary Engine

Engine Code:

3.8L V6 (L36, naturally aspirated)

Displacement:

3.8 Liters (3800 cc)

Configuration:

Overhead Valve (OHV), V-configuration

Horsepower:

Approximately 205 hp @ 5200 rpm

Torque:

Approximately 230 lb-ft @ 3600 rpm

Performance

Fuel Economy Est:

EPA estimated 18 MPG city / 28 MPG highway (Varies with transmission and driving conditions)

Fuel System

Fuel Delivery:

Sequential Central Port Fuel Injection (SCPI) / Multi-Port Fuel Injection (MPFI)

Fuel Type:

Unleaded gasoline, 87 octane recommended

Engine Code

Optional Engine Code:

3.8L V6 Supercharged (L67)

Optional Engine Code

Optional Horsepower:

Approximately 240 hp @ 5000 rpm

Optional Torque:

Approximately 280 lb-ft @ 3200 rpm

🔧 Transmission

Standard

Transmission Type:

4-speed automatic (4T65-E)

Drive Type:

Front-Wheel Drive (FWD)

Features

Transmission Features:

Includes overdrive for fuel efficiency.

Optional

Optional Transmission Type:

4-speed automatic with manual shift control (MPSD - Manual Shift Programmed Drive)

📐 Dimensions

Exterior

Length:

Approximately 196.9 inches

Width:

Approximately 70.3 inches

Height:

Approximately 56.5 inches

Wheelbase:

Approximately 109.0 inches

Interior

Passenger Volume:

Approximately 100 cubic feet

Cargo

Trunk Volume:

Approximately 15.1 cubic feet

Weights

Curb Weight:

Approximately 3400-3600 lbs (depending on engine and options)

🛡️ Safety Features

Ratings

NHTSA Front Impact:

Likely received 4-star or 5-star ratings (specific data may vary)

NHTSA Side Impact:

Likely received 4-star or 5-star ratings (specific data may vary)

IIHS Ratings:

Check Insurance Institute for Highway Safety (IIHS) for specific crash test results.

Passive Features

Airbags:

Driver and front passenger airbags (SRS). Side-impact airbags may be optional on some trims.

Seat Belts:

Three-point active front and rear seat belts. Pretensioners and load limiters for front seats.

Child Safety:

LATCH (Lower Anchors and Tethers for Children) system for child seat installation. Child safety rear door locks.

Active Features

Brakes:

Front disc, rear drum brakes standard. Front and rear disc brakes available on certain trims. Anti-lock Braking System (ABS) typically standard.

Traction Control:

Traction Control System (TCS) often available, particularly with the supercharged engine.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM stereo with CD player. Optional premium sound systems, cassette tape player, and/or CD changer available.

Climate Control:

Manual or optional automatic climate control (ACC).

Driver Assistance

Cruise Control:

Standard cruise control system.

Anti Theft:

Factory anti-theft immobilizer system.

Connectivity

Aux Input:

No standard auxiliary audio input (typical for this era). Aftermarket solutions may be available.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 5,000 to 7,500 miles or 6 months, whichever comes first, using synthetic or synthetic blend oil.

Tire Rotation:

Recommended every 7,500 miles or as part of oil changes.

Coolant Change:

Initial change at 100,000 miles, then every 50,000 miles or 5 years.

Spark Plugs:

For the 3800 V6 (L36), typically replaced around 100,000 miles (often platinum or iridium type).

Fluid Specifications

Engine Oil Type:

SAE 5W-30 (API certified, meeting GM standard)

Engine Oil Capacity:

Approximately 4.5 US quarts (4.25 liters) with filter change.

Coolant Type:

GM Dex-Cool (Orange coolant), 50/50 mixture with distilled water.

Transmission Fluid Type:

Dexron VI (or Dexron III/IIE if VI is not specified, consult manual for exact spec)

Power Steering Fluid:

GM Power Steering Fluid or Dexron compatible fluid.

Brake Fluid Type:

DOT 3

Known Issues

Intake Manifold Gaskets:

Potential coolant leaks due to deterioration of the plastic intake manifold gaskets on the 3800 Series II V6 engines.

Window Regulators:

Common wear item, leading to windows not operating correctly.

Transmission Hard Shifts:

The 4T65-E transmission can sometimes develop issues with hard shifting or solenoid problems.

Maf Sensor:

Mass Airflow (MAF) sensor can become dirty, leading to performance issues and check engine lights.

📚 Vehicle History

Brand Heritage

Buick Legacy:

Buick, established in 1899, is one of America's oldest automotive brands, known for its emphasis on comfort, quietness, and a refined driving experience.

Model Evolution

Regal Lineage:

The Regal nameplate has been used by Buick for various models over several decades, often representing a sportier or more personal luxury offering than the LeSabre or Park Avenue.

Production

Manufacturing Location:

Primarily assembled in North America by General Motors (e.g., Oshawa Car Plant, Ontario, Canada; Lansing Car Assembly, Michigan, USA).

Model Generation:

The 2003 model year belongs to the 5th generation of the Buick Regal (1997-2004), which was a facelifted version of the GM W-body platform.

🏆 Awards & Recognition

Recognitions

Jd Power Ratings:

Specific ratings vary by year and category; generally, Buick models of this era were noted for initial quality and performance.

Ward S 10 Best Engines:

The 3800 Series II V6 engine was a recipient of Ward's 10 Best Engines award multiple times in the late 1990s and early 2000s for its refinement and power.