How to Easily Add Fluid to a Floor Jack – A Step-by-Step Guide

Adding fluid to a floor jack is an important part of maintaining it. A floor jack is a mechanical device that is used to lift heavy objects, such as cars, and it relies on hydraulic fluid to work. Without the right amount of fluid, the jack will not be able to lift the load properly. The following steps will help you add fluid to your floor jack.

Step 1: Prepare the Jack

Before you start, make sure the floor jack is properly prepared. Check the jack for any damage or leaks, and make sure that the jack is clean. If there are any issues, take it to a professional for repair before adding the fluid.

Step 2: Find the Fluid Reservoir

The fluid reservoir is located on the side of the jack. It is usually a round, metal container with a lid that screws off. Remove the lid and check the fluid level. If it is low, you will need to add more.

Step 3: Add the Fluid

When adding the fluid, make sure to use the correct type of hydraulic fluid for your jack. You can usually find this information in the manual or on the jack itself. Once you have the right fluid, pour it into the reservoir until it reaches the fill line. Do not overfill it.

Step 4: Replace the Lid

Once you have filled the reservoir, replace the lid and tighten it securely. Make sure the lid is on tight so that no fluid will leak out.

Step 5: Test the Jack

After you have added the fluid, it is time to test the jack. Place a heavy object on the jack and lift it up. If the jack is working properly, it should be able to lift the object with ease. If the jack is not working properly, check the fluid level again and make sure the lid is on tight.


Adding fluid to a floor jack is an important part of maintaining it. By following the steps outlined above, you can easily add the right amount of fluid to your jack and ensure that it is working properly. Remember to always use the correct type of fluid and make sure the lid is on tight.

Written by Best Floor Jack

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