2004 Buick Regal Service & Repair Manual Software

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🏷️ Basic Information Identification Make: Buick Model: Regal Year: 2004 Codes Chassis Code: W-Body Generation Generation Name: Sixth Generation (L67/GM 3800 Series III) Generation Years: 2000-2004 👋 Introduction Market Position...

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Taper: Car

Distributeur:

UGS: 46659

Mots clés: 2004 Buick Car Cars Regal

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Buick

Model:

Regal

Year:

Codes

Chassis Code:

W-Body

Generation

Generation Name:

Sixth Generation (L67/GM 3800 Series III)

Generation Years:

2000-2004

👋 Introduction

Market Position

Segment:

Mid-size Sedan

Target Audience:

Individuals seeking reliable transportation with a touch of luxury and performance, and DIY mechanics.

Competitive Analysis

Key Competitors:

Ford Taurus, Toyota Camry, Honda Accord, Chrysler Sebring, Dodge Intrepid.

Key Features

Powertrain Options:

Known for its supercharged 3800 Series III V6 engine option.

Platform Shared:

Shares the W-body platform with other GM vehicles like Chevrolet Impala and Monte Carlo.

Value Proposition:

Offers a blend of comfort, performance (especially with the supercharged engine), and durability, often at a competitive price point.

📋 Manual Details

Coverage Areas

Primary Coverage:

2004 Buick Regal

Secondary Coverage Notes:

Likely covers major systems and components common across the 2000-2004 Regal W-body platform, with specific emphasis on 2004 updates.

Page Count

Estimated Page Count:

Extensive (typical for a comprehensive OE-derived service manual, often 1000+ pages in printed equivalent)

Manual Type

Type:

Service and Repair Manual Software

Language

Language:

English

Format

Format:

PDF Download (accessible via web browser)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, cylinder heads, pistons, crankshaft, camshaft, valve train, timing, lubrication, cooling.

Engine Performance:

Fuel injection, ignition system, emissions control, diagnosis and testing.

Transmission Drivetrain:

Automatic transmission (e.g., 4T65-E), torque converter, differentials, drive axles, transfer case (if applicable).

Brakes:

Hydraulic system, ABS, electronic brake control, brake rotors, pads, calipers, lines, parking brake.

Suspension Steering:

Front suspension, rear suspension, struts, shocks, control arms, ball joints, steering gear, power steering system, wheel alignment.

Electrical Electronics:

Battery, charging system, starting system, lighting, instrument panel, body control modules, infotainment, wiring diagrams.

Heating Air Conditioning:

HVAC system, climate control, refrigerant handling, compressor, evaporator, heater core.

Body Chassis:

Body structure, doors, windows, seats, bumpers, exterior trim, interior trim, corrosion protection.

Restraints:

Airbag system, seat belts, SRS module.

Procedures Included

Maintenance:

Routine maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement.

Diagnostics Troubleshooting:

Systematic fault finding, diagnostic trouble codes (DTCs), symptom analysis, component testing.

Repair Rebuild:

Component removal and installation, engine rebuild procedures, transmission overhaul, brake caliper replacement, suspension component replacement.

Electrical Diagnostics:

Reading wiring diagrams, testing electrical components, circuit tracing, module diagnostics.

Technical Depth

Depth:

Comprehensive OE-level detail, suitable for professional technicians and experienced DIY enthusiasts.

Detail Level:

Step-by-step repair instructions, torque specifications, special tool requirements, diagnostic procedures, and specifications.

📊 Manual Specifications

File Format

Format:

Quality:

High-resolution, professionally scanned or digitally generated, allowing for clear viewing and printing.

Searchability:

Likely includes searchable text for quick information retrieval.

Print Quality

Printability:

Designed to be printable, allowing users to create physical copies of specific sections.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Code Typical:

L36 (3.8L naturally aspirated V6) or L67 (3.8L supercharged V6)

Displacement Liter:

Cylinders:

Configuration:

V-engine

Aspirated Type:

Naturally Aspirated or Supercharged

Performance

Horsepower L36:

Approx. 200 hp @ 5200 rpm

Torque L36:

Approx. 225 lb-ft @ 4000 rpm

Horsepower L67:

Approx. 240 hp @ 5200 rpm

Torque L67:

Approx. 280 lb-ft @ 3600 rpm

Fuel System

Fuel Delivery:

Multi-port Fuel Injection (MPFI)

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Standard

Type:

4-speed Automatic

Model Code:

4T65-E

Optional

Type:

N/A (Typically only automatic was offered for this generation Regal)

Features

Overdrive:

Yes, 4th gear is overdrive

Drive Wheels:

Front-Wheel Drive (FWD)

📐 Dimensions

Exterior

Length:

Approx. 196.3 inches

Width:

Approx. 71.4 inches

Height:

Approx. 55.9 inches

Wheelbase:

Approx. 109.0 inches

Weights

Curb Weight Est:

3500-3700 lbs (depending on trim and options)

🛡️ Safety Features

Ratings

NHTSA Frontal Driver 2004:

5 Stars

NHTSA Frontal Passenger 2004:

5 Stars

IIHS Frontal Offset 2004:

Active Features

Standard (Anti-lock Braking System)

Traction Control:

Available/Standard on certain trims

Passive Features

Airbags:

Frontal airbags, available side-impact airbags

Seatbelts:

3-point seat belts with pretensioners

💡 Technology Features

Infotainment

Audio System:

Available Monsoon premium audio system, CD player, AM/FM stereo.

Climate Control:

Automatic climate control available on higher trims.

Driver Assistance

Cruise Control:

Standard

Parking Assist:

N/A for this model year.

Connectivity

Onstar:

Available OnStar system integration.

🔧 Maintenance

Service Intervals

Oil Change Interval Synthetic:

Every 7,500 - 10,000 miles or 6-12 months with synthetic oil.

Engine Air Filter:

Inspect every 15,000 miles, replace as needed (typically 30,000 miles).

Cabin Air Filter:

Replace every 15,000 - 30,000 miles or as needed for air quality.

Spark Plugs:

Inspect/replace at approx. 100,000 miles (longer life plugs)

Transmission Fluid:

Inspect periodically, change every 50,000 - 100,000 miles depending on driving conditions.

Fluid Specifications

Engine Oil Type:

SAE 5W-30 Synthetic

Engine Oil Capacity:

Approx. 4.5 quarts (with filter)

Transmission Fluid Type:

Dexron VI (or equivalent)

Coolant Type:

Dex-Cool (Orange Extended Life)

Known Issues

Intake Manifold Gaskets:

On L36 and L67 engines, the original plastic intake manifold gaskets could degrade and leak coolant, leading to misfires and coolant loss. Updated designs are available.

Supercharger Tensioner:

The idler pulley or tensioner assembly for the supercharger belt on L67 engines can fail, causing noise or belt slippage.

Wheel Bearings:

Front wheel bearings can wear out prematurely, causing humming or grinding noises.

Transmission Hard Shifts:

The 4T65-E transmission can sometimes develop issues causing hard shifts or delayed engagement, often related to solenoid issues or fluid degradation.

📚 Vehicle History

Brand Heritage

Brand Focus:

Buick has a long-standing reputation for comfort, quietness, and upscale features within the General Motors lineup.

Model Evolution

Regal Positioning:

The Regal has historically been positioned as a sportier, more performance-oriented option within Buick's sedan offerings, often with a focus on V6 power.

Sixth Gen Focus:

The sixth generation saw a significant push towards performance and a more aggressive styling, especially with the introduction of the supercharged L67 engine.

Production

Assembly Location:

Oshawa, Ontario, Canada

🏆 Awards & Recognition

Recognitions

Jdp Power Initial Quality:

Buick models in this era often performed well in J.D. Power and Associates initial quality studies for their segment, often recognized for comfort and features.

Segment Value:

Often praised for offering a premium feel and strong performance (especially the supercharged version) at a more accessible price point than European luxury competitors.