Pontiac Bonneville 2003 Owner's Manual

Pontiac Bonneville 2003 manual cover
Pages 411
Year 2003
Language(s)
English en

Pontiac Bonneville 2003 Specification

The 2003 Pontiac Bonneville is a full-size sedan that blends performance, comfort, and technology. Under the hood, it features a 3.8-liter V6 engine, capable of generating 205 horsepower and 230 lb-ft of torque, paired with a 4-speed automatic transmission. This powertrain delivers a balanced combination of acceleration and fuel efficiency, achieving approximately 19 miles per gallon in the city and 28 miles per gallon on the highway.

The Bonneville's front-wheel-drive system ensures stable handling and traction in various driving conditions. Its suspension system includes independent MacPherson struts at the front and a semi-independent trailing arm setup at the rear, providing a smooth and controlled ride. The sedan's braking system comprises front ventilated disc brakes and rear solid disc brakes, enhanced by an anti-lock braking system (ABS) for improved safety.

Inside, the 2003 Bonneville offers a spacious cabin with seating for up to five passengers. The interior is designed for comfort and convenience, featuring power-adjustable front seats, a tilt steering wheel, and a comprehensive instrument cluster. Optional leather upholstery and a premium audio system enhance the driving experience. The sedan also includes dual-zone climate control, power windows, and remote keyless entry.

Safety features in the 2003 Pontiac Bonneville encompass dual front airbags, side-impact airbags, and traction control. The vehicle's structural integrity is reinforced by side-impact door beams and crumple zones, designed to absorb and dissipate energy in the event of a collision.

Externally, the Bonneville presents a sleek and aerodynamic profile, with a length of 203.3 inches, a width of 74.5 inches, and a height of 56.6 inches. The sedan rides on 16-inch alloy wheels, contributing to its robust stance and road presence. Overall, the 2003 Pontiac Bonneville combines reliable performance, advanced safety features, and a comfortable interior, making it a well-rounded choice in the full-size sedan segment.

Pontiac Bonneville 2003 F.A.Q.

How do I reset the oil life monitor on a 2003 Pontiac Bonneville?

To reset the oil life monitor, turn the ignition to the ON position without starting the engine. Press the accelerator pedal to the floor three times within five seconds. The oil life light should flash, indicating the system has been reset.

What are the common causes of engine overheating in a 2003 Pontiac Bonneville?

Common causes include a faulty thermostat, clogged radiator, leaking coolant system, or a malfunctioning water pump. Regular maintenance checks can help identify these issues early.

How do I troubleshoot a non-working power window in my 2003 Pontiac Bonneville?

Start by checking the fuse for the power windows. If the fuse is intact, test the window switch and motor using a multimeter. Wiring issues or a faulty motor might also be the cause.

What type of transmission fluid should be used in a 2003 Pontiac Bonneville?

The 2003 Pontiac Bonneville typically requires Dexron III/Mercon automatic transmission fluid. Always refer to the owner's manual for the most accurate information.

How do I fix a leaking sunroof in a 2003 Pontiac Bonneville?

Inspect the sunroof seals for damage and clean the drainage tubes. If the seals are worn, they need to be replaced. Clearing blockages in the drainage tubes can also resolve the issue.

What is the recommended tire pressure for a 2003 Pontiac Bonneville?

The recommended tire pressure for the 2003 Pontiac Bonneville is typically 30 PSI for both front and rear tires. Verify with the driver's door placard or owner's manual.

Why is my 2003 Pontiac Bonneville experiencing a rough idle?

A rough idle can be caused by dirty fuel injectors, a faulty idle air control valve, or vacuum leaks. Cleaning the injectors and checking for leaks can help diagnose the problem.

How can I improve the fuel efficiency of my 2003 Pontiac Bonneville?

Regular maintenance such as changing the air filter, ensuring proper tire inflation, and using the correct grade of motor oil can improve fuel efficiency. Avoiding aggressive driving habits also helps.

What could cause the ABS warning light to stay on in my 2003 Pontiac Bonneville?

The ABS warning light could be due to a faulty wheel speed sensor, damaged wiring, or a malfunctioning ABS module. Scanning for error codes will help pinpoint the exact issue.

How do I replace the headlight bulb on a 2003 Pontiac Bonneville?

Open the hood and locate the back of the headlight assembly. Twist the bulb socket counterclockwise to remove it. Replace the old bulb with a new one, being careful not to touch the glass, and reinstall the socket.