The 2004 Infiniti G35 coupe is a stylish and sporty vehicle that's captured the hearts of many car enthusiasts. Known for its sleek design, impressive performance, and luxurious features, the G35 coupe offers a compelling blend of sportiness and refinement. However, like any vehicle, it also has its share of common issues that potential buyers and current owners should be aware of.

Overview of the 2004 Infiniti G35 Coupe

The 2004 Infiniti G35 coupe is powered by a 3.5-liter V6 engine that delivers exhilarating performance. With its rear-wheel-drive configuration and sport-tuned suspension, the G35 coupe offers a thrilling driving experience that's sure to put a smile on your face. Inside the cabin, you'll find a well-appointed interior with comfortable seats, premium materials, and a range of convenient features. From its aggressive styling to its responsive handling, the G35 coupe is a true driver's car that stands out from the crowd.

Engine and Performance

The heart of the 2004 Infiniti G35 coupe is its 3.5-liter V6 engine, which produces around 280 horsepower and 270 lb-ft of torque. This engine provides ample power for quick acceleration and confident passing maneuvers. The G35 coupe is available with either a 6-speed manual transmission or a 5-speed automatic transmission, allowing drivers to choose the option that best suits their preferences. With its sport-tuned suspension and rear-wheel-drive layout, the G35 coupe offers precise handling and engaging driving dynamics that make it a joy to drive on twisty roads.

Interior and Features

Stepping inside the 2004 Infiniti G35 coupe, you'll be greeted by a stylish and well-equipped interior. The seats are comfortable and supportive, providing ample cushioning for long drives. The dashboard is ergonomically designed, with easy-to-reach controls and a clear instrument cluster. Standard features include automatic climate control, power windows and locks, a premium sound system, and leather upholstery. Optional features include a navigation system, sunroof, and heated seats, allowing buyers to customize their G35 coupe to their liking. Overall, the interior of the G35 coupe is a pleasant and inviting space that enhances the overall driving experience.

Common Issues with the 2004 Infiniti G35 Automatic Coupe

While the 2004 Infiniti G35 coupe is a desirable vehicle, it's not without its flaws. Like any car, it's prone to certain issues that owners should be aware of. Here are some of the most common problems reported by G35 coupe owners:

Oil Consumption

One of the most widely reported issues with the 2004 Infiniti G35 coupe is excessive oil consumption. Many owners have noticed that their G35 coupe consumes more oil than expected, requiring them to add oil between oil changes. This issue is often attributed to worn piston rings or valve seals, which can allow oil to leak into the combustion chamber and burn along with the fuel. Regularly monitoring the oil level and using a high-quality synthetic oil can help mitigate this issue, but in some cases, more extensive repairs may be necessary.

Addressing oil consumption in your 2004 Infiniti G35 coupe involves a few key strategies. First, keep a vigilant eye on your oil levels, checking them regularly, especially before and after long drives. This proactive approach can help you catch any excessive oil consumption early on. Next, consider switching to a high-quality synthetic oil, which can provide better lubrication and reduce wear on engine components. For example, synthetic oils often contain additives that help to seal piston rings and reduce oil burn-off. Additionally, ensure that you are following the manufacturer's recommended oil change intervals, as fresh oil is crucial for maintaining engine health. If the problem persists despite these measures, it may be necessary to consult a mechanic for a more thorough inspection, which could reveal issues like worn piston rings or valve seals, requiring more extensive repairs. Remember, addressing oil consumption promptly can prevent more severe engine damage and prolong the life of your G35 coupe.

Timing Chain Issues

Another common issue with the 2004 Infiniti G35 coupe is related to the timing chain. The timing chain is responsible for synchronizing the engine's crankshaft and camshaft, ensuring that the valves open and close at the correct time. Over time, the timing chain can stretch or wear out, leading to various engine problems. Symptoms of a worn timing chain include rattling noises from the engine, decreased performance, and illuminated check engine light. Replacing the timing chain can be a costly repair, but it's essential to prevent further damage to the engine.

When dealing with timing chain issues in your 2004 Infiniti G35 coupe, early detection is key. Pay close attention to any unusual noises coming from the engine, particularly a rattling sound that may be more noticeable during startup or idle. This could be a sign that the timing chain is starting to wear or stretch. Another indicator is a noticeable decrease in engine performance, such as reduced acceleration or sluggish response. If you experience these symptoms, it's wise to have your G35 coupe inspected by a qualified mechanic as soon as possible. Ignoring these warning signs can lead to more severe engine damage, potentially resulting in costly repairs or even engine failure. Regular maintenance, including timely oil changes, can help prolong the life of the timing chain, but if replacement becomes necessary, it's best to address it promptly to ensure the continued reliability of your G35 coupe.

Transmission Problems

Some owners of the 2004 Infiniti G35 automatic coupe have reported transmission problems. These problems can range from rough shifting and slipping gears to complete transmission failure. Transmission issues can be caused by a variety of factors, including worn clutches, faulty solenoids, or contaminated transmission fluid. Regular transmission maintenance, such as fluid changes, can help prevent some of these issues, but in some cases, more extensive repairs or a transmission replacement may be necessary.

Addressing transmission problems in your 2004 Infiniti G35 automatic coupe requires a proactive approach to maintenance and careful attention to warning signs. One of the most effective ways to prevent transmission issues is to adhere to a strict maintenance schedule, including regular transmission fluid changes. Fresh transmission fluid ensures proper lubrication and cooling, which can significantly extend the life of your transmission. Additionally, be vigilant for any signs of trouble, such as rough or delayed shifting, slipping gears, or unusual noises coming from the transmission. If you notice any of these symptoms, it's crucial to have your G35 coupe inspected by a qualified mechanic as soon as possible. Early detection and prompt repairs can often prevent more extensive and costly damage. In some cases, a simple fluid change or minor repair may be sufficient, while more severe issues could require a transmission rebuild or replacement. Regardless, addressing transmission problems promptly is essential for maintaining the reliability and performance of your G35 coupe.

Electrical Issues

Electrical issues are not uncommon in the 2004 Infiniti G35 coupe. Owners have reported problems with the electrical system, including faulty sensors, malfunctioning lights, and issues with the car's computer system. These electrical issues can be difficult to diagnose and repair, as they often require specialized equipment and expertise. In some cases, electrical problems can be caused by corrosion or damaged wiring, so it's essential to keep the car's electrical system in good condition.

When tackling electrical issues in your 2004 Infiniti G35 coupe, a systematic approach is crucial. Start by checking the basics, such as the battery and fuses. A weak battery or a blown fuse can often be the culprit behind seemingly complex electrical problems. Next, inspect the wiring for any signs of damage, such as corrosion, frayed wires, or loose connections. These issues can disrupt the flow of electricity and cause various electrical malfunctions. If the problem persists, it may be necessary to use a diagnostic scanner to read error codes from the car's computer system. These codes can provide valuable clues about the source of the problem. However, diagnosing electrical issues often requires specialized knowledge and equipment, so it's best to consult with a qualified mechanic who has experience working on Infiniti vehicles. They can perform a thorough inspection, pinpoint the root cause of the problem, and recommend the appropriate repairs. Remember, electrical issues can sometimes be intermittent and difficult to trace, so patience and persistence are key.

Suspension Problems

Some owners of the 2004 Infiniti G35 coupe have reported suspension problems. These problems can include worn shocks or struts, damaged control arms, and worn bushings. Suspension issues can affect the car's handling and ride quality, making it less comfortable to drive. Regularly inspecting the suspension components and replacing worn parts can help prevent these issues.

Addressing suspension problems in your 2004 Infiniti G35 coupe involves regular inspections and timely maintenance. Start by visually inspecting the suspension components for any signs of wear or damage, such as leaking shocks, cracked bushings, or bent control arms. Pay close attention to any unusual noises coming from the suspension, such as clunking or squeaking sounds, especially when driving over bumps. These noises can indicate worn or damaged suspension components. Additionally, be aware of any changes in the car's handling, such as excessive bouncing, swaying, or uneven tire wear. These symptoms can indicate suspension problems that need to be addressed. If you notice any of these issues, it's best to have your G35 coupe inspected by a qualified mechanic who can assess the condition of the suspension and recommend the appropriate repairs. Replacing worn shocks, struts, bushings, or control arms can significantly improve the car's handling, ride quality, and overall safety. Regular maintenance, such as lubricating suspension components and checking alignment, can also help prolong the life of the suspension system.

Maintaining Your 2004 Infiniti G35 Automatic Coupe

To keep your 2004 Infiniti G35 automatic coupe running smoothly and reliably, it's essential to follow a regular maintenance schedule. This includes:

• Changing the oil and filter every 3,000 to 5,000 miles
• Checking and topping off all fluids regularly
• Rotating the tires every 6,000 to 8,000 miles
• Inspecting the brakes regularly and replacing worn pads or rotors
• Replacing the air filter every 12,000 to 15,000 miles
• Replacing the spark plugs every 30,000 miles
• Having the timing chain inspected every 60,000 miles
• Flushing the cooling system every 24 months or 30,000 miles
• Changing the transmission fluid every 30,000 to 60,000 miles, depending on driving conditions

By following these maintenance guidelines, you can help prevent costly repairs and keep your G35 coupe running in top condition for years to come.

Conclusion

The 2004 Infiniti G35 automatic coupe is a sporty and stylish vehicle that offers a thrilling driving experience. However, it's important to be aware of the common issues that can affect this car, such as oil consumption, timing chain problems, transmission issues, electrical problems, and suspension problems. By maintaining your G35 coupe properly and addressing any issues promptly, you can enjoy many years of trouble-free driving.