1999 Ford Explorer Transmission Fluid Type Guide

Understanding Transmission Fluid Specifications

When it comes to maintaining your 1999 Ford Explorer, one of the most critical aspects is ensuring that you use the correct transmission fluid. This isn’t just about keeping your vehicle running smoothly; it’s about prolonging the life of your transmission and avoiding costly repairs down the line.

Manufacturer’s Recommendations

Ford has specific recommendations for the type of transmission fluid that should be used in the 1999 Explorer. The manufacturer specifies that you should use Mercon V transmission fluid. This fluid is specially formulated to meet the needs of the automatic transmission in your Explorer, providing optimal performance and protection.

Why Mercon V?

Using the correct type of transmission fluid is crucial for several reasons:

• Compatibility: Mercon V is designed to work with the materials and components found in Ford transmissions. Using a different type of fluid can lead to compatibility issues, resulting in poor performance or even damage.


• Performance: This fluid offers excellent lubrication, which is essential for the smooth operation of your transmission. It helps in reducing friction and wear on internal components, ensuring that your vehicle shifts smoothly.


• Temperature Stability: Mercon V has a higher temperature tolerance compared to some other fluids. This means it can handle the heat generated during operation without breaking down, which is vital for maintaining transmission health.

Fluid Specifications

Here are some key specifications and characteristics of Mercon V transmission fluid that you should be aware of:

1. Viscosity: Mercon V has a viscosity rating of 5W-20, which ensures that it flows well at both low and high temperatures.


2. Color: Typically, Mercon V is a red or pink color, which helps in identifying it easily. If you notice a different color, it might indicate contamination or the presence of another type of fluid.


3. Friction Properties: This fluid is designed to provide optimal friction characteristics, which are crucial for smooth shifting and overall transmission performance.

Confirmation from Authoritative Sources

For those who may be skeptical, it’s worth noting that the specifications for Mercon V are well-documented in Ford’s service manuals and other authoritative automotive resources. The American Petroleum Institute (API) also recognizes the importance of using manufacturer-recommended fluids to ensure vehicle reliability and performance.

In summary, using Mercon V transmission fluid in your 1999 Ford Explorer is not just a suggestion; it’s a necessity for maintaining the health and longevity of your transmission. Stick to the manufacturer’s recommendations, and you’ll save yourself a lot of headaches in the long run.

Recommended Oil Brands for Your Transmission Fluid

When it comes to choosing the right transmission fluid for your 1999 Ford Explorer, not all fluids are created equal. While Mercon V is the recommended type, the brand you choose can make a significant difference in performance and longevity. Based on feedback from various automotive forums and owner experiences, here are some of the top brands that have garnered positive reviews from Ford Explorer owners.

Popular Brands Among Owners

Over the years, several brands have established themselves as reliable choices for Mercon V transmission fluid. Here’s a rundown of the most recommended options:

• Motorcraft: As the OEM (Original Equipment Manufacturer) fluid, Motorcraft Mercon V is often the first choice for many Ford owners. Users appreciate its compatibility and performance, noting that it keeps their transmissions running smoothly.


• Valvoline: Valvoline’s Mercon V fluid has received high marks for its performance in various driving conditions. Many users report that it helps improve shifting quality and reduces transmission noise.


• Castrol: Castrol’s Transmax Mercon V is another popular choice. Owners have shared positive experiences regarding its ability to maintain transmission health, particularly in high-mileage vehicles.


• Royal Purple: Known for its high-performance oils, Royal Purple’s Mercon V fluid is favored by those looking for enhanced protection and performance. Users often mention improved shifting and overall transmission responsiveness.


• AmsOil: AmsOil offers a synthetic Mercon V fluid that has gained a loyal following among enthusiasts. Owners appreciate its ability to withstand extreme temperatures and provide superior lubrication.

Owner Feedback and Experiences

The experiences shared by fellow Ford Explorer owners can provide valuable insights when selecting a transmission fluid brand. Here are some common themes and feedback observed in various online forums:

1. Performance Consistency: Many users emphasize the importance of consistent performance. Brands like Motorcraft and Valvoline are frequently mentioned for their reliability and ability to maintain smooth shifting over time.


2. Temperature Tolerance: Several owners noted that certain brands, particularly synthetic options like Royal Purple and AmsOil, performed exceptionally well in extreme temperatures, which is crucial for those living in areas with harsh climates.


3. Price vs. Quality: While some owners are willing to pay a premium for brands like Royal Purple, others find that Motorcraft or Valvoline offer the best balance of quality and affordability. This is a common discussion point among budget-conscious owners.


4. Leak Prevention: A few users reported that switching to synthetic options helped reduce transmission leaks, a common issue in older Explorers. This feedback is particularly useful for those with high-mileage vehicles looking to extend their transmission’s lifespan.

Where to Buy

Finding the right transmission fluid is easier than ever, thanks to various retail options. Here are some popular places where you can purchase these recommended brands:

• Auto Parts Stores: Chains like AutoZone, O’Reilly Auto Parts, and Advance Auto Parts typically stock a variety of transmission fluids, including the recommended brands.


• Online Retailers: Websites like Amazon and RockAuto often have competitive prices and a wide selection of brands. Be sure to check customer reviews before making a purchase.


• Dealerships: If you prefer to stick with OEM products, your local Ford dealership will have Motorcraft Mercon V fluid available, though it may come at a higher price point.

In summary, choosing the right brand of transmission fluid for your 1999 Ford Explorer can significantly impact your vehicle’s performance and longevity. By considering owner feedback and experiences, you can make a more informed decision that aligns with your needs and budget.

Change Interval for Transmission Fluid

Maintaining your 1999 Ford Explorer’s transmission fluid is essential for ensuring smooth operation and prolonging the life of your vehicle. Understanding the recommended change interval can save you from costly repairs down the line.

Recommended Change Interval

For the 1999 Ford Explorer, the general recommendation for changing the transmission fluid 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 severe conditions—such as heavy traffic, towing, or off-road driving—you may need to change your transmission fluid more often.


• Fluid Condition: Regularly checking the condition of your transmission fluid can provide insights into when it should be changed. If the fluid appears dark or has a burnt smell, it’s time for a change.


• Manufacturer Guidelines: Always refer to your owner’s manual for specific recommendations tailored to your vehicle. Ford provides guidelines that are based on extensive testing and engineering.

Partial Transmission Oil Changes

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

What is a Partial Oil 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 and can be performed without removing the transmission. Here are some key points to consider:

1. Cost-Effective: Partial changes are significantly less expensive than full fluid changes, making them a more accessible option for many vehicle owners.


2. Frequency: Regular partial changes can help maintain fluid quality and keep contaminants at bay, especially if done every 15,000 to 30,000 miles (24,000 to 48,000 kilometers).


3. Fluid Mixing: While partial changes do mix old and new fluid, they can still improve overall fluid quality and performance compared to leaving the old fluid unchanged.

Justification and Confirmation

Statistical data and studies support the practice of regular transmission fluid changes, whether partial or full. According to the Automatic Transmission Rebuilders Association (ATRA), maintaining clean transmission fluid can significantly reduce the risk of transmission failure.

Additionally, a study published in the Journal of Automotive Engineering found that vehicles that underwent regular fluid changes—both partial and full—exhibited improved transmission performance and longevity compared to those that did not.

In summary, while the recommended change interval for your 1999 Ford Explorer’s transmission fluid is generally between 30,000 and 60,000 miles, considering partial changes can be a practical and effective way to maintain your vehicle’s transmission health without the need for extensive labor.

What Color Should Transmission Fluid Be?