The Acura RSX manual transmission requires Honda Manual Transmission Fluid.Please make sure to use the correct fluid specified in your vehicle’s owner’s manual. The Acura RSX is equipped with a manual transmission, and it is important to use the correct type of transmission fluid for optimal performance and longevity.

Using the proper fluid helps to ensure smooth shifting and efficient operation of the transmission. In this case, the Acura RSX requires Honda Manual Transmission Fluid, which is specifically formulated for Honda and Acura vehicles.

It is important to always refer to the owner’s manual or consult with a professional to ensure the correct fluid is used.

Taking this step will help to maintain the performance and reliability of the Acura RSX’s manual transmission for years to come.

Importance Of Manual Transmission Fluid In Acura Rsx

Proper manual transmission fluid is vital for the smooth operation and longevity of your Acura RSX.

The manual transmission fluid serves multiple important purposes, including lubrication, cooling, and providing necessary hydraulic pressure for the gears to engage properly.

Purpose Of Transmission Fluid

Transmission fluid is a specialized lubricant designed specifically for manual transmissions. Its primary purpose is to reduce friction and heat generation between the moving parts of the transmission.

By doing so, it ensures smooth shifts, prevents excessive wear and tear, and extends the lifespan of your transmission.

Additionally, transmission fluid also plays a crucial role in cooling the transmission. As the gears and other components move, they generate heat.

The transmission fluid absorbs this heat and transfers it to the transmission cooler, preventing overheating and potential damage to the transmission.

Effects Of Using Incorrect Fluid Type

Using the incorrect fluid type in your Acura RSX’s manual transmission can have detrimental effects on its performance and longevity. Each transmission requires a specific type of fluid with precise viscosity and additives to meet the manufacturer’s specifications.

If you use the wrong fluid type, it may not provide proper lubrication, leading to increased friction and wear on the transmission’s internal components. This can result in premature failure of the transmission and expensive repairs.

In addition, using the wrong fluid can also affect the transmission’s ability to cool itself. The incorrect fluid may not absorb and dissipate heat as effectively as the recommended fluid, leading to overheating and potential damage.

Why Proper Fluid Maintenance Is Vital

Proper fluid maintenance is essential to ensure the optimal performance and longevity of your Acura RSX’s manual transmission. Regularly checking and changing the transmission fluid at recommended intervals helps to maintain its lubricating properties and prevent the build-up of contaminants.

Regular fluid changes also provide an opportunity to inspect the transmission for any signs of wear or potential issues. Catching problems early can prevent major breakdowns and costly repairs in the future.

Recommended Manual Transmission Fluid Types For Acura Rsx

When it comes to maintaining the performance and longevity of your Acura RSX’s manual transmission, using the right transmission fluid is crucial.

Here, we will explore the recommended manual transmission fluid types for the Acura RSX, including OEM fluid specifications and various brands and types that are suitable for your vehicle.

Oem Fluid Specifications

The Acura RSX’s manual transmission requires a specific type of fluid that meets the original equipment manufacturer (OEM) specifications to ensure optimal performance.

The OEM fluid specifications are as follows:

  • Type: Genuine Honda Manual Transmission Fluid (MTF)
  • Viscosity: SAE 10W-30
  • Capacity: Approximately 1.8 quarts (depending on model and year)

Using the recommended OEM fluid is essential as it is specifically formulated to meet the unique requirements of the Acura RSX’s transmission, providing excellent lubrication, heat resistance, and wear protection.

Brands And Types Of Fluid Suitable For Acura Rsx

While using the OEM fluid is highly recommended, there are also other reputable brands and types of manual transmission fluids that are suitable for your Acura RSX.

Here are some popular options:

  1. Red Line MT-90: This synthetic transmission fluid is known for its high thermal stability and improved gear protection. It provides smooth shifting and excellent cold-weather performance.
  2. Amsoil Manual Transmission Fluid: Amsoil offers various options for manual transmission fluids, including their Signature Series Synthetic ATF and Synthetic Manual Synchromesh Transmission Fluid.
  3. Mobil 1 Synthetic ATF: Mobil 1 is a well-known brand that produces high-quality synthetic fluids. Their Synthetic ATF offers enhanced protection against wear, corrosion, and heat.
  4. Pennzoil Synchromesh Manual Transmission Fluid: This fluid is specifically designed for manual transmissions and provides excellent gear protection and smooth shifting.
  5. Castrol Syntrans Multivehicle 75W-90: The Castrol Syntrans Multivehicle fluid is a fully synthetic option that offers improved fuel efficiency and excellent performance in various temperatures.

When choosing a manual transmission fluid for your Acura RSX, it is important to consider the fluid’s specifications, such as compatibility with your vehicle’s transmission, viscosity rating, and overall quality.

Always refer to your vehicle’s owner’s manual or consult with a knowledgeable mechanic to ensure you select the right fluid for your specific model and year.

How To Check And Change Manual Transmission Fluid In Acura Rsx

When it comes to maintaining your Acura RSX, checking and changing the manual transmission fluid is an essential task that should not be overlooked.

Regularly inspecting and replacing the fluid at the recommended intervals can help ensure smooth gear shifts, optimal performance, and the longevity of your transmission.

Tools And Materials Required

In order to check and change the manual transmission fluid in your Acura RSX, you’ll need the following tools and materials:

  • Jack stands or a lift
  • Ratchet or socket set
  • Fluid pump
  • Fluid catch pan
  • New transmission fluid
  • New crush washer (optional)

Step-by-step Process For Checking Fluid Level

  1. Warm up your Acura RSX by driving it for a few minutes.
  2. Securely park your vehicle on a level surface and engage the parking brake.
  3. Locate the transmission fluid dipstick, which is usually near the back of the engine compartment.
  4. Remove the dipstick and wipe it clean with a lint-free cloth or paper towel.
  5. Reinsert the dipstick all the way back into the dipstick tube.
  6. Remove the dipstick again and observe the fluid level. The fluid should be between the minimum and maximum markers on the dipstick.
  7. If the fluid level is low, carefully add small amounts of the recommended transmission fluid through the dipstick tube. Recheck the fluid level until it reaches the appropriate range.
  8. Once the fluid level is satisfactory, reinstall the dipstick securely.

Step-by-step Process For Changing Fluid

  1. Warm up your Acura RSX by driving it for a few minutes.
  2. Securely park your vehicle on a level surface and engage the parking brake.
  3. Locate the transmission drain plug underneath the vehicle.
  4. Position the fluid catch pan beneath the drain plug.
  5. Remove the drain plug using a ratchet or socket set, allowing the old fluid to drain completely.
  6. Clean the drain plug and replace the crush washer if necessary.
  7. Reinstall the drain plug securely.
  8. Locate the transmission fluid fill plug, which is usually located on the side of the transmission.
  9. Remove the fill plug and insert the fluid pump into the fill hole.
  10. Pump the recommended transmission fluid into the transmission until it starts to overflow from the fill hole.
  11. Reinstall the fill plug securely.
  12. Start your Acura RSX and allow it to idle for a few minutes.
  13. Check the fluid level using the dipstick, ensuring it is within the recommended range.
  14. If necessary, add additional fluid through the dipstick tube until the level is appropriate.
  15. Once the fluid level is satisfactory, reinstall the dipstick securely.

Frequently Asked Questions

What Fluid Is Used In A Manual Shift Transmission?

Manual shift transmissions use manual transmission fluid.

How Much Transmission Fluid Does An Acura Rsx Take?

An Acura RSX typically requires about 2. 9 quarts of transmission fluid.

Can Atf Fluid Be Used For Manual Transmission?

No, ATF fluid should not be used for a manual transmission. Manual transmissions require specific transmission fluids that are designed for their unique operational requirements. Using ATF fluid can result in damage to the transmission and may cause it to fail.

How Do You Fill The Transmission Fluid In A Rsx Type S?

To fill the transmission fluid in an RSX Type S, locate the fill plug on the transmission case using the owner’s manual. Remove the plug and insert a funnel into the hole. Slowly pour the recommended transmission fluid into the funnel until it reaches the proper level.

Replace the fill plug securely.


To ensure optimal performance and longevity of your Acura RSX manual transmission, it is crucial to use the correct type of transmission fluid. By understanding the specific requirements of your vehicle and utilizing the recommended fluid, you can maintain smooth gear shifts and protect crucial components.

Regularly checking and replacing the transmission fluid will contribute to the overall reliability and efficiency of your Acura RSX. Trusting the manufacturer’s guidelines will ensure a seamless driving experience for years to come.