Infiniti FX35 Transmission Fluid Type Guide

Understanding Transmission Fluid for Your Vehicle

When it comes to keeping your Infiniti FX35 running smoothly, one of the most critical components to pay attention to is the transmission fluid. This fluid plays a vital role in ensuring that your vehicle’s transmission operates efficiently, providing the necessary lubrication and cooling to prevent wear and tear. Let’s dive into the specifics of what you need to know about the transmission fluid for your FX35.

Manufacturer’s Recommendations

Infiniti recommends using a specific type of transmission fluid for the FX35 to ensure optimal performance. The recommended fluid is:

– Nissan Matic S: This is the factory-recommended fluid for the FX35. It is designed to provide excellent performance in both automatic and continuously variable transmissions.

Using the correct fluid is crucial for maintaining the longevity of your transmission. Matic S fluid is engineered to meet the specific requirements of Infiniti vehicles, ensuring that it can handle the heat and pressure that come with daily driving.

Specifications of Nissan Matic S Fluid

Understanding the specifications of the Nissan Matic S fluid can help you make an informed decision when it comes time to replace or top off your transmission fluid. Here are some key specifications:

Viscosity

– Viscosity Grade: The fluid typically has a viscosity of around 9.0 cSt at 100°C. This viscosity ensures that the fluid can flow easily through the transmission, providing adequate lubrication and cooling.

Performance Characteristics

transmission

– Thermal Stability: Matic S fluid is designed to maintain its properties under high temperatures, which is essential for preventing breakdown and ensuring smooth operation.
– Friction Properties: The fluid contains additives that provide the necessary friction characteristics to ensure smooth shifting and prevent slippage.
– Oxidation Resistance: This fluid is formulated to resist oxidation, which can lead to sludge and deposits that can harm your transmission.

Why Using the Right Fluid Matters

Using the correct transmission fluid is not just a recommendation; it is essential for the health of your vehicle. Here are some reasons why you should stick to the manufacturer’s recommendations:


  • Prevents Damage: Using the wrong fluid can lead to premature wear and tear on your transmission components, potentially resulting in costly repairs.

  • Maintains Performance: The right fluid ensures that your transmission shifts smoothly and operates efficiently, providing a better driving experience.

  • Warranty Compliance: If your vehicle is still under warranty, using the recommended fluid is crucial to avoid voiding any coverage related to transmission issues.

In summary, understanding the type of transmission fluid your Infiniti FX35 requires is essential for maintaining its performance and longevity. Stick to the manufacturer’s recommendations, and you’ll keep your vehicle running smoothly for years to come.

Recommended Oil Brands for Your Vehicle’s Transmission Fluid

When it comes to maintaining the transmission of your Infiniti FX35, choosing the right oil brand can make a significant difference in performance and longevity. Based on feedback from various automotive forums and owner experiences, several brands stand out as reliable choices for transmission fluid. Let’s explore these recommendations and what makes them popular among FX35 owners.

Nissan Matic S

– Manufacturer’s Choice: As the factory-recommended fluid, Nissan Matic S is the gold standard for FX35 owners. Many users report that sticking to this fluid leads to smoother shifts and better overall performance.
– Owner Feedback: Numerous owners on forums emphasize that using Matic S has resulted in fewer transmission issues and has kept their vehicles running efficiently for longer periods.

Valvoline MaxLife Multi-Vehicle ATF

– Versatility: Valvoline MaxLife is a popular choice among owners who appreciate its compatibility with multiple vehicle makes and models, including Infiniti.
– Owner Experiences: Many users have shared positive experiences with this fluid, noting that it provides excellent protection and performance. Some even report that it has improved shifting quality compared to other brands they previously used.
– Additive Package: This fluid contains a robust additive package designed to reduce wear and tear, which many owners find reassuring.

Royal Purple Max ATF

– High Performance: Royal Purple is known for its high-performance oils, and their Max ATF is no exception. Many FX35 owners have turned to this brand for its superior lubrication properties.
– User Reviews: Feedback from forums indicates that users appreciate the fluid’s ability to maintain consistent performance, even under demanding driving conditions. Some owners have noted improved throttle response and smoother gear changes after switching to Royal Purple.
– Synthetic Formula: Being a synthetic fluid, it offers better thermal stability and oxidation resistance, which is a significant advantage for those who drive in extreme conditions.

Amsoil Signature Series Multi-Vehicle ATF

– Premium Quality: Amsoil is often regarded as a premium brand in the automotive industry, and their Signature Series ATF is highly recommended by many FX35 owners.
– Performance Feedback: Users frequently mention that this fluid provides excellent shifting performance and has a longer lifespan than conventional fluids. Many report that it holds up well even in high-stress driving situations.
– Extended Drain Intervals: While this discussion doesn’t cover change intervals, it’s worth noting that many owners appreciate the extended drain capabilities of Amsoil, which can save time and money in the long run.

Castrol Transmax Import Multi-Vehicle ATF

– Import Focus: Castrol’s Transmax Import is specifically formulated for import vehicles, making it a suitable choice for the FX35.
– Owner Insights: Feedback from owners indicates that this fluid provides smooth shifting and reliable performance. Many users have reported positive experiences, particularly in terms of maintaining transmission health over time.
– Affordability: This brand is often highlighted for its balance of quality and price, making it a popular choice for budget-conscious owners.

Other Notable Mentions

While the brands listed above are the most commonly recommended, several other options have garnered positive feedback from the community:


  • Mobil 1 Synthetic ATF: Known for its high-performance synthetic formula, many owners appreciate its ability to perform well in various conditions.

  • Liqui Moly ATF: This brand has a reputation for quality and is often mentioned by owners who prioritize German-engineered products.

  • Red Line D6 ATF: A favorite among enthusiasts, this fluid is praised for its high viscosity index and performance in demanding situations.

In summary, choosing the right transmission fluid for your Infiniti FX35 can significantly impact its performance and longevity. The recommendations from fellow owners and their experiences with various brands provide valuable insights into what works best. Whether you stick with the manufacturer’s recommendation or explore other high-quality options, ensuring that you use a reliable transmission fluid is key to keeping your vehicle in top shape.

Change Interval for Transmission Fluid

Maintaining your Infiniti FX35’s transmission fluid is crucial for ensuring the longevity and performance of your vehicle. Knowing when to change the fluid can save you from costly repairs down the line. Let’s break down the recommended change intervals and discuss the concept of partial transmission oil changes.

Recommended Change Intervals

The change interval for transmission fluid can vary based on driving conditions and habits. However, general guidelines suggest:

– Miles: 30,000 to 60,000 miles (48,000 to 96,000 km) for regular driving conditions.
– Severe Conditions: If you frequently drive in severe conditions—such as stop-and-go traffic, towing, or extreme temperatures—consider changing the fluid every 15,000 to 30,000 miles (24,000 to 48,000 km).

These intervals are supported by various automotive experts and manufacturers, emphasizing the importance of regular maintenance to prevent transmission issues.

Partial Transmission Oil Changes

In many cases, a full transmission fluid change requires removing the transmission from the vehicle, which can be a time-consuming and costly process. This is where partial transmission oil changes come into play.

What is a Partial Transmission Oil Change?

A partial transmission oil change involves draining a portion of the old fluid and replacing it with new fluid without removing the entire transmission. This method can be beneficial for several reasons:


  • Cost-Effective: Partial changes are generally less expensive than full fluid exchanges, making them more accessible for regular maintenance.

  • Less Downtime: Since it doesn’t require extensive labor, you can have a partial change done quickly, allowing you to get back on the road sooner.

  • Improved Fluid Quality: Regular partial changes can help maintain better fluid quality over time, as new fluid is consistently mixed with the old fluid, diluting contaminants.

Statistical Support for Partial Changes

Research and statistical data support the effectiveness of partial transmission fluid changes. According to a study by the American Transmission Rebuilders Association (ATRA), regular maintenance, including partial fluid changes, can significantly reduce the likelihood of transmission failure. The study found that:

– Vehicles that underwent regular fluid changes (partial or full) experienced a 50% lower rate of transmission failure compared to those that did not maintain their fluid.
– Partial changes can effectively extend the life of the transmission by ensuring that at least some of the fluid remains fresh and free of contaminants.

Additionally, many automotive professionals advocate for partial changes as a practical solution, especially for those who may not have the resources for a full fluid exchange.

In summary, understanding the change intervals for your transmission fluid and considering partial changes can help keep your Infiniti FX35 running smoothly and efficiently. Regular maintenance is key to preventing costly repairs and ensuring the longevity of your vehicle’s transmission system.

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