2006 Infiniti G35 Transmission Fluid Type and Care

Understanding Transmission Fluid for Your Infiniti G35

When it comes to maintaining your 2006 Infiniti G35, one of the most critical components to keep an eye on is the transmission fluid. This fluid plays a vital role in the overall performance and longevity of your vehicle’s transmission system. Using the right type of transmission fluid is essential, and Infiniti has specific recommendations that you should follow to ensure your car runs smoothly.

Manufacturer’s Recommendations

For the 2006 Infiniti G35, the manufacturer recommends using Nissan’s Matic S transmission fluid. This fluid is specifically formulated to meet the needs of the vehicle’s automatic transmission, ensuring optimal performance and protection.

Specifications of Matic S Transmission Fluid

Here are some key specifications and characteristics of Matic S transmission fluid:

• Type: Automatic Transmission Fluid (ATF)


• Viscosity: Typically around 9.5 cSt at 100°C


• Color: Usually a reddish hue, indicating its synthetic base


• Compatibility: Specifically designed for Nissan and Infiniti vehicles

Using Matic S is not just a recommendation; it’s a necessity. This fluid is engineered to provide the right level of lubrication, cooling, and cleaning for your transmission, which is crucial for preventing wear and tear on internal components.

Why Matic S Matters

Using the correct transmission fluid is vital for several reasons:

1. Performance: Matic S is designed to provide smooth shifting and optimal performance under various driving conditions.


2. Protection: This fluid contains additives that help protect against oxidation and wear, extending the life of your transmission.


3. Efficiency: Proper lubrication helps improve fuel efficiency by reducing friction within the transmission.

Confirmation from Authoritative Sources

The necessity of using Matic S fluid is backed by various automotive experts and resources. For instance, the Infiniti owner’s manual explicitly states the importance of using the recommended transmission fluid type to maintain warranty coverage and ensure proper operation. Additionally, automotive forums and expert mechanics consistently emphasize that straying from manufacturer recommendations can lead to significant issues, including transmission failure.

In summary, when it comes to your 2006 Infiniti G35, using the right transmission fluid—Matic S—is not just a suggestion; it’s a critical aspect of keeping your vehicle in top shape. Always refer to your owner’s manual and consult with a qualified mechanic if you have any doubts about the fluid type or its maintenance.

Recommended Oil Brands for Your Infiniti G35

When it comes to maintaining your 2006 Infiniti G35, choosing the right transmission fluid is essential for ensuring optimal performance and longevity. While the manufacturer recommends Nissan’s Matic S transmission fluid, many owners and automotive enthusiasts have shared their experiences with various brands that meet or exceed these specifications. Let’s dive into some of the most recommended oil brands based on feedback from forums and owner experiences.

Nissan Matic S

As the factory-recommended fluid, Nissan Matic S is the go-to choice for many G35 owners. It is specifically designed for Infiniti and Nissan vehicles, ensuring compatibility and performance. Owners often report smooth shifting and reliable performance when using this fluid.

Valvoline MaxLife ATF

Valvoline MaxLife ATF is another popular choice among G35 owners. This fluid is designed for high-mileage vehicles and offers excellent protection against wear and tear. Many users have noted the following benefits:

• Improved shifting performance, especially in older transmissions.


• Enhanced protection against oxidation and thermal breakdown.


• Compatibility with various automatic transmission types.

Owners have shared positive experiences on forums, stating that they noticed a difference in performance after switching to Valvoline MaxLife ATF, especially in terms of smoother gear changes.

Royal Purple Max ATF

Royal Purple Max ATF is another brand that has garnered attention from G35 owners. Known for its high-performance synthetic formulation, this fluid is designed to provide superior protection and performance. Feedback from users includes:

• Significantly smoother shifts and improved responsiveness.


• Better overall transmission performance, especially in demanding driving conditions.


• Longer fluid life, reducing the frequency of changes.

Many owners have reported that after using Royal Purple Max ATF, their transmissions felt more refined and responsive, making it a favorite among performance enthusiasts.

Mobil 1 Synthetic ATF

Mobil 1 Synthetic ATF is another highly regarded option among G35 owners. This fluid is engineered to provide excellent protection and performance across a wide range of temperatures. Users have highlighted several advantages:

• Exceptional thermal stability, preventing breakdown under high heat.


• Improved fuel efficiency due to reduced friction.


• Compatibility with various automatic transmission types, including those requiring Matic S.

Feedback from forums indicates that many G35 owners have switched to Mobil 1 Synthetic ATF and experienced noticeable improvements in shifting smoothness and overall transmission performance.

Amsoil Signature Series Synthetic ATF

Amsoil Signature Series Synthetic ATF is another premium option that has gained a following among G35 enthusiasts. Known for its high-quality synthetic formulation, this fluid is designed to provide maximum protection and performance. Owners have reported:

• Exceptional wear protection, extending the life of the transmission.


• Improved shifting performance, particularly in extreme conditions.


• Longer fluid change intervals, saving time and money in the long run.

Many users on automotive forums have praised Amsoil for its performance, especially in high-stress driving situations, making it a solid choice for those who push their G35 to the limits.

Castrol Transmax Import Multi-Vehicle ATF

Castrol Transmax Import Multi-Vehicle ATF is another brand that has received positive feedback from G35 owners. This fluid is designed to meet the needs of various import vehicles, including those requiring Matic S. Users have noted:

• Good performance in terms of shifting and responsiveness.


• Affordability compared to other premium brands.


• Compatibility with a wide range of automatic transmissions.

Many owners appreciate the balance of performance and cost-effectiveness that Castrol Transmax offers, making it a popular choice for those looking to maintain their G35 without breaking the bank.

In summary, while Nissan Matic S is the recommended fluid for your 2006 Infiniti G35, several other brands have proven to be reliable alternatives based on owner feedback and experiences. Whether you prioritize performance, protection, or cost, there are options available to suit your needs. Always ensure that the fluid you choose meets the necessary specifications to keep your transmission running smoothly.

Change Interval for Your Infiniti G35 Transmission Fluid

Maintaining your 2006 Infiniti G35 involves more than just regular oil changes; the transmission fluid also requires attention to ensure optimal performance. Understanding the change interval for your transmission fluid is crucial for keeping your vehicle running smoothly.

Recommended Change Interval

The general recommendation for changing the transmission fluid in a 2006 Infiniti G35 is every 30,000 to 60,000 miles (approximately 48,000 to 96,000 kilometers). However, this can vary based on driving conditions and habits. Here are some factors to consider:

• Driving Conditions: If you frequently drive in stop-and-go traffic, tow heavy loads, or operate in extreme temperatures, you may need to change your fluid more often.


• Fluid Condition: Regularly checking the color and smell of your transmission fluid can provide insight into its condition. If it appears dark or has a burnt smell, it’s time for a change.


• Manufacturer Recommendations: Always refer to your owner’s manual for specific recommendations tailored to your vehicle.

Partial Transmission Oil Changes

In many cases, a full transmission fluid change requires removing the transmission pan, which can be a labor-intensive process. Because of this, many owners opt for partial transmission oil changes, which can be done more easily and frequently.

What is a Partial Transmission Oil Change?

A partial transmission oil change typically involves draining a portion of the fluid and replacing it with fresh fluid. This method helps to maintain fluid quality without the need for a complete system overhaul. Here are some key points:

1. Fluid Replacement: Usually, about 30-50% of the fluid is replaced during a partial change.


2. Frequency: Partial changes can be performed more frequently, often every 15,000 to 30,000 miles (approximately 24,000 to 48,000 kilometers).


3. Cost-Effective: This method is generally less expensive than a full fluid change, making it accessible for regular maintenance.

Justification for Partial Changes

Statistical data and expert opinions support the practice of partial transmission fluid changes. According to the Automatic Transmission Rebuilders Association (ATRA), regular fluid changes—whether partial or full—are essential for prolonging the life of the transmission.

Research indicates that transmission fluid degrades over time due to heat and contaminants, which can lead to increased wear and tear on internal components. By performing partial changes, you can help mitigate these effects and maintain better fluid quality.

Additionally, a study published in the Journal of Automotive Engineering highlights that maintaining clean transmission fluid can improve shifting performance and reduce the likelihood of transmission failure.

In summary, while the recommended change interval for your Infiniti G35’s transmission fluid is generally between 30,000 to 60,000 miles, opting for partial fluid changes can be a practical and effective way to ensure your transmission remains in good condition. Regular maintenance, whether through full or partial changes, is key to the longevity and performance of your vehicle.

What Color Should Transmission Fluid Be?