2018 Honda Civic Si Transmission Fluid Capacity and Maintenance

2018 Honda Civic Si Transmission Fluid Capacity

When it comes to maintaining your 2018 Honda Civic Si, one crucial aspect that often gets overlooked is the transmission fluid. Properly maintaining the transmission fluid can help ensure smooth gear shifts and extend the lifespan of your transmission. In this article, we will discuss the transmission fluid capacity for the 2018 Honda Civic Si, providing you with the information you need to keep your car running smoothly.

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Transmission Fluid Capacity and Type

Before we dive into the specifics, let’s take a look at the transmission fluid capacity and type for the 2018 Honda Civic Si. It’s important to use the correct type and amount of fluid to ensure optimal performance. Here’s a handy table to guide you:

Transmission Fluid Type Capacity (Quarts) Capacity (Liters)
Honda Manual Transmission Fluid (MTF) 2.9 2.7

As you can see, the 2018 Honda Civic Si requires Honda Manual Transmission Fluid (MTF) with a capacity of 2.9 quarts or 2.7 liters. It’s essential to use the recommended fluid to ensure proper lubrication and performance of your transmission.

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How to Check and Add Transmission Fluid

Checking and adding transmission fluid to your 2018 Honda Civic Si is a relatively straightforward process. Here are the steps you need to follow:

  1. Park your car on a level surface and engage the parking brake.
  2. Locate the transmission fluid dipstick. It is usually labeled and can be found near the engine bay.
  3. Remove the dipstick and wipe it clean with a lint-free cloth or paper towel.
  4. Reinsert the dipstick fully into the transmission and then remove it again.
  5. Check the fluid level on the dipstick. The fluid should be between the “MIN” and “MAX” marks. If it’s below the “MIN” mark, you’ll need to add fluid.
  6. If you need to add fluid, use a funnel to pour the recommended Honda Manual Transmission Fluid (MTF) into the dipstick tube.
  7. Recheck the fluid level using the dipstick and add more fluid if necessary.
  8. Once the fluid level is within the recommended range, securely reinsert the dipstick.
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Remember, it’s crucial to follow the correct procedure and use the recommended fluid to avoid potential damage to your transmission.


Now that you know the transmission fluid capacity for the 2018 Honda Civic Si and how to check and add fluid, you can ensure that your transmission stays in top shape. Regularly checking and maintaining the transmission fluid will help prevent costly repairs down the road and keep your driving experience smooth and enjoyable. So, don’t neglect this essential aspect of car maintenance and keep your Honda Civic Si running like a dream!


What Color Should Transmission Fluid Be?

What Color Should Transmission Fluid Be?

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