‘03 Pontiac Bonneville 2003 Owners Manual

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🏷️ Basic Information Identification Make: Pontiac Model: Bonneville Year: 2003 Codes Platform: G-Body (GM L-Body/H-Body based) 👋 Introduction Market Position Segment: Full-size, front-wheel-drive sedan Target Audience: Buyers seeking comfortable, spacious,...

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Type: Car

Vendor:

Sku: 253026

Tags: 2003 Bonneville Car Cars Pontiac

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Description

🏷️ Basic Information

Identification

Make:

Pontiac

Model:

Bonneville

Year:

Codes

Platform:

G-Body (GM L-Body/H-Body based)

👋 Introduction

Market Position

Segment:

Full-size, front-wheel-drive sedan

Target Audience:

Buyers seeking comfortable, spacious, and American-styled sedans, often for family use or long-distance cruising.

Competitive Analysis

Key Competitors:

Ford Crown Victoria/Mercury Grand Marquis, Chrysler LHS/300M, Buick Park Avenue, Lincoln Town Car.

Key Features

Design Philosophy:

Emphasis on comfort, quiet ride, spacious interior, and a substantial road presence.

Powertrain Options:

Available with robust V6 and V8 engines offering ample power for its class.

📋 Manual Details

Coverage Areas

General Operation:

Vehicle controls, convenience features, dashboard indicators, warning lights, trip information

Maintenance:

Scheduled maintenance, fluid checks and top-offs, tire inflation, basic care

Safety Features:

Airbag system operation, seat belt usage, child restraint systems, vehicle security

Emergency Procedures:

Jump starting, tire changing, engine overheating, brake failure

Technical Assistance:

Information for referring to authorized service centers

Page Count

Estimated Pages:

Approximately 300-350 pages (typical for this era of owner's manual)

Manual Type

Type:

Owner's Manual

Language

Language:

English

Format

Digital Format:

📖 Manual Coverage

Systems Covered

Powertrain:

Basic information on engine operation, transmission engagement, and cooling systems

Chassis:

Brake system warnings, steering feel, suspension operation basics

Electrical:

Lighting controls, power accessory operation, battery care basics, fuse box locations (general)

Climate Control:

HVAC system operation, temperature and fan controls, recirculation modes

Infotainment:

Audio system controls, radio operation, CD player usage (if equipped)

Procedures Included

Routine Maintenance:

Checking fluid levels (oil, coolant, brake fluid, washer fluid), tire pressure checks, wiper blade replacement (description)

Troubleshooting:

Interpreting dashboard warning lights and messages, basic remedies for common issues (e.g., key fob battery)

Emergency Response:

How to safely change a flat tire, jump-starting a dead battery, what to do in case of an accident (basic information)

Vehicle Operation:

Starting and stopping the engine, gear selection, parking brake usage, cruise control operation

Technical Depth

Depth:

Consumer-level understanding of vehicle features and basic maintenance. Does not include diagnostic codes or detailed repair procedures.

📊 Manual Specifications

File Format

File Type:

Portable Document Format (PDF)

Searchability:

Typically searchable text, allowing for quick lookups of specific topics

Print Quality

Resolution:

High resolution for clear text and legible diagrams/illustrations

Reproducibility:

Designed for clear printing on standard home or office printers

Binding Type

Binding:

N/A (Digital - PDF format)

Paper Type

Paper Quality:

N/A (Digital - PDF format)

⚙️ Engine Specifications

Primary Engine

Engine Code:

L36 (3.8L V6 Supercharged)

Displacement:

3.8 Liters (231 cubic inches)

Configuration:

V6, Overhead Valve (OHV), 90-degree bank angle

Horsepower:

205 hp @ 5200 rpm (for Supercharged L36)

Torque:

230 lb-ft @ 3600 rpm (for Supercharged L36)

Secondary Engine

Engine Code:

L32 (3.8L V6 Supercharged - 240hp version often seen in performance trims)

Displacement:

3.8 Liters (231 cubic inches)

Horsepower:

240 hp @ 5200 rpm (for L32)

Torque:

280 lb-ft @ 3600 rpm (for L32)

Fuel System

Induction:

Sequential Central Port Fuel Injection (SCPI) with Supercharger

Fuel Type:

Unleaded Regular Gasoline (87 Octane)

Engine Management

Ignition System:

Distributorless Ignition System (DIS) with Coil-on-Plug (COP) or coil pack ignition

🔧 Transmission

Standard

Transmission Type:

4-speed Automatic Transaxle

Transmission Model:

4T65-E

Optional

Optional Transmission:

N/A (4-speed automatic was standard across all trims)

Features

Driver Modes:

Driver Shift Control (Column shifter with manual override capability, although not true paddle shifting)

Fluid Type:

Dexron III-H or Dexron VI Automatic Transmission Fluid (ATF)

📐 Dimensions

Exterior

Length:

201.4 inches

Width:

73.4 inches

Height:

56.7 inches

Wheelbase:

112.2 inches

Interior

Passenger Volume:

Approximately 105.7 cubic feet

Cargo

Trunk Volume:

Approximately 16.4 cubic feet

Weights

Curb Weight:

Approximately 3700-3900 lbs (depending on trim and options)

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

4-star (Good)

NHTSA Front Impact Passenger:

4-star (Good)

IIHS Front Offset:

Active Features

Standard Anti-lock Braking System (ABS)

Traction Control:

Available Traction Control System (TCS)

Passive Features

Airbags Front:

Dual front airbags

Airbags Side:

Available side-impact airbags (often optional or standard on higher trims)

Seatbelts:

Front pretensioner seat belts, rear 3-point seat belts

💡 Technology Features

Infotainment

Audio System:

Standard AM/FM stereo with CD player, optional premium audio systems from Bose.

Display:

Basic digital display for radio and climate control. No touchscreens or advanced navigation on base models.

Driver Assistance

Cruise Control:

Standard cruise control system, operated via steering wheel buttons.

Parking Assist:

Optional rear parking assist sensors were available on some trims.

Connectivity

Remote Keyless Entry:

Standard or optional remote keyless entry system for door unlocking and trunk release.

Onstar:

OnStar communication system was available as an option, providing telematics services.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 7,500 miles or 6 months, whichever comes first (using synthetic blend or full synthetic oil recommended for optimal performance).

Air Filter Replacement:

Inspect every 15,000 miles, replace as needed or approximately every 30,000 miles.

Coolant Flush:

First flush at 100,000 miles, then every 50,000 miles thereafter (GM specification for Dex-Cool, though many used conventional coolant).

Fluid Specifications

Engine Oil Type:

SAE 3.8L V6 Supercharged: 5W-30 (preferred for supercharged applications)

Engine Oil Capacity:

Approximately 4.5 quarts (with filter change)

Coolant Type:

GM Dex-Cool (orange) or equivalent. If using conventional, use a compatible green coolant.

Brake Fluid Type:

DOT 3

Known Issues

Lower Intake Manifold Gaskets:

Premature failure of lower intake manifold gaskets can lead to coolant leaks into the engine or oil.

Supercharger Coupler:

The supercharger snout coupler can wear out, leading to a whining noise and reduced boost.

Power Steering Pump:

Some models experienced premature failure of the power steering pump, leading to noise and loss of assist.

Window Regulators:

Window regulators can be prone to failure, causing windows to fall into the door.

📚 Vehicle History

Brand Heritage

Pontiac Legacy:

Pontiac was known for its performance-oriented image and 'excitement' branding within General Motors.

Model Evolution

Bonneville Lineage:

The Bonneville nameplate has a long history, evolving from large RWD coupes and sedans to the FWD platform used in this generation.

Production

Production Era:

This generation of Bonneville was produced from 2000 to 2005.

Manufacturing Plant:

Assembled at GM's Detroit-Hamtramck Assembly Plant (Michigan, USA).

🏆 Awards & Recognition

Recognitions

Safety Awards:

Achieved good safety ratings in IIHS and NHTSA crash tests for its time.

Ratings

Consumer Reports:

Received mixed reviews from Consumer Reports, with praise for comfort and power but concerns about reliability in certain areas.