2007 Infiniti QX56 Transmission Fluid Type Guide

Understanding Transmission Fluid for Your Infiniti QX56

When it comes to keeping your 2007 Infiniti QX56 running smoothly, one of the most critical components to pay attention to is the transmission fluid. This isn’t just any fluid; it plays a vital role in ensuring that your vehicle’s transmission operates efficiently and effectively. Let’s dive into the specifics of what you need to know about transmission fluid for your QX56.

Manufacturer’s Recommendations

Infiniti has specific recommendations for the type of transmission fluid that should be used in the 2007 QX56. The manufacturer specifies that you should use Nissan Matic S transmission fluid. This fluid is designed to meet the unique requirements of the transmission system in your vehicle.

Why Nissan Matic S?

Using the recommended Nissan Matic S fluid is crucial for several reasons:


  • Compatibility: This fluid is formulated to work seamlessly with the transmission components in your QX56, ensuring optimal performance.

  • Temperature Stability: Nissan Matic S provides excellent thermal stability, which helps maintain performance even under extreme conditions.

  • Wear Protection: The fluid contains additives that help reduce wear and tear on transmission components, extending the life of your vehicle.

  • Shifting Performance: Using the right fluid ensures smooth shifting, which is essential for both performance and comfort while driving.

Specifications of Nissan Matic S

Understanding the specifications of the transmission fluid can help you make informed decisions. Here are some key specifications of Nissan Matic S:


  1. Viscosity: Typically, Nissan Matic S has a viscosity rating of around 9.5 cSt at 100°C, which is essential for maintaining proper lubrication and performance.

  2. Color: The fluid is generally a red hue, which is common for many automatic transmission fluids. This color helps in identifying leaks and monitoring fluid condition.

  3. Type: This is a synthetic blend fluid, which provides better performance and longevity compared to conventional fluids.

Fluid Change and Maintenance

transmission

While this section will not cover change intervals, it’s essential to keep in mind that using the correct type of fluid is only part of the equation. Regular maintenance and fluid checks are crucial to ensure that your transmission operates smoothly.

In summary, using Nissan Matic S transmission fluid in your 2007 Infiniti QX56 is not just a recommendation; it’s a necessity for maintaining the health and performance of your vehicle’s transmission. Always refer to your owner’s manual for the most accurate and detailed information regarding your specific vehicle.

Recommended Oil Brands for Your Infiniti QX56

When it comes to choosing the right transmission fluid for your 2007 Infiniti QX56, the options can be overwhelming. While Nissan Matic S is the manufacturer’s recommendation, many owners have shared their experiences with various brands that meet or exceed these specifications. Here’s a rundown of some of the most recommended oil brands based on feedback from forums and owner reviews.

Nissan Matic S

Let’s start with the obvious choice: Nissan Matic S. This is the factory-recommended fluid, and for many owners, it’s the go-to option.


  • Many users report that using Nissan Matic S results in smooth shifting and reliable performance.

  • It’s readily available at dealerships and online, making it a convenient choice for maintenance.

Valvoline MaxLife Multi-Vehicle ATF

Another popular choice among QX56 owners is Valvoline MaxLife Multi-Vehicle ATF. This fluid is known for its versatility and compatibility with various transmission types.


  • Owners appreciate its ability to provide excellent protection against wear and tear.

  • Many users have noted that it helps in reducing shifting issues, especially in older vehicles.

  • Valvoline MaxLife is often praised for its affordability compared to OEM fluids.

Mobil 1 Synthetic ATF

Mobil 1 Synthetic ATF is another brand that frequently comes up in discussions among Infiniti QX56 owners.


  • This synthetic fluid is known for its high performance and longevity.

  • Users have reported improved shifting performance and reduced transmission noise after switching to Mobil 1.

  • Many owners appreciate the fact that it can handle extreme temperatures, making it suitable for various driving conditions.

Castrol Transmax Import Multi-Vehicle ATF

Castrol Transmax Import Multi-Vehicle ATF is also a common recommendation. This fluid is designed specifically for import vehicles, making it a suitable choice for your QX56.


  • Owners have noted that it provides smooth shifting and excellent overall performance.

  • It’s often highlighted for its ability to maintain performance over time, even under heavy use.

Royal Purple Max ATF

For those looking for a premium option, Royal Purple Max ATF is frequently mentioned in owner forums.


  • This synthetic fluid is known for its high-quality formulation, which offers superior protection and performance.

  • Many users report noticeable improvements in shifting smoothness and responsiveness.

  • Royal Purple is often recommended for those who want to maximize the lifespan of their transmission.

Amsoil Synthetic Universal Automatic Transmission Fluid

Amsoil is another brand that has garnered a loyal following among automotive enthusiasts.


  • Amsoil Synthetic Universal ATF is praised for its versatility and compatibility with various transmission types.

  • Users have reported extended fluid life and excellent performance in both hot and cold conditions.

Owner Feedback and Experiences

The experiences shared by owners on forums and discussion boards provide valuable insights into the performance of these brands. Here are some common themes:


  1. Many owners emphasize the importance of sticking to fluids that meet or exceed Nissan Matic S specifications.

  2. Several users have reported that switching to synthetic options has led to improved performance and longevity.

  3. Price is often a consideration, with many owners opting for brands that offer a good balance between cost and quality.

In summary, while Nissan Matic S is the recommended fluid for your 2007 Infiniti QX56, there are several reputable brands that owners have found to perform well. Each of these options has its own set of benefits, and the best choice often comes down to personal preference and driving conditions. Always consult with fellow owners and do your research to find the fluid that best suits your needs.

Change Interval for Your Infiniti QX56 Transmission Fluid

Understanding when to change your transmission fluid is crucial for the longevity and performance of your 2007 Infiniti QX56. While the manufacturer may provide a general guideline, factors such as driving conditions and personal driving habits can influence how often you should perform this maintenance.

Recommended Change Intervals

For the 2007 Infiniti QX56, the general recommendation is to change the transmission fluid every 30,000 to 60,000 miles (approximately 48,000 to 96,000 kilometers). However, this can vary based on several factors:


  • 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 condition of your fluid can help you determine if it needs to be changed sooner. If the fluid appears dark or has a burnt smell, it’s time for a change.

Partial Transmission Oil Changes

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

What is a Partial Change?

A partial transmission oil change involves draining a portion of the old fluid and replacing it with new fluid. This method is often more practical for vehicle owners and can still provide significant benefits.

Benefits of Partial Changes


  • Cost-Effective: Partial changes are generally less expensive than full fluid changes since they require less labor and time.

  • Improved Fluid Quality: Even a partial change can help improve the overall quality of the transmission fluid, especially if the old fluid is degraded.

  • Less Downtime: Since partial changes can be done more quickly, your vehicle will spend less time in the shop.

Statistical Justification

According to various automotive studies and expert recommendations, maintaining clean transmission fluid is essential for the longevity of the transmission. A study by the Automotive Research Association found that vehicles that underwent regular fluid changes (including partial changes) experienced fewer transmission-related issues and had a longer lifespan compared to those that did not.


  1. Vehicles with regular maintenance schedules reported a 30% decrease in transmission failures.

  2. Partial fluid changes can help maintain the fluid’s effectiveness, reducing wear on internal components.

In summary, while the recommended change interval for your 2007 Infiniti QX56 is between 30,000 to 60,000 miles, considering partial transmission oil changes can be a practical approach to maintaining your vehicle’s performance without the need for a full fluid change. Always keep an eye on your fluid condition and consult with a trusted mechanic for personalized advice.

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