Best Floor Jack
Having a floor jack that won’t lift under load is a common problem that many car owners experience. It’s a frustrating issue that can be caused by a variety of different issues, some of which are relatively easy to fix and some of which may require a more in-depth repair. In this article, we’ll take a look at the different reasons why a floor jack won’t lift under load and what you can do to get it working again.
Check the Hydraulic System
The most common reason why a floor jack won’t lift under load is due to an issue with the hydraulic system. It could be that the fluid is low, the pump is not working properly, or the valves are blocked. In order to check this, you’ll need to open up the jack and take a look at the system. If you’re not confident doing this yourself, then it’s best to take it to a mechanic who can check it over and make sure everything is in order.
Check the Lifting Arm
Another potential issue could be that the lifting arm of the floor jack is not working properly. This could be due to a lack of lubrication or a build-up of dirt and grime. If you’re able to, you should try to lubricate the arm and see if this solves the issue. If not, then you may need to take it apart and clean it more thoroughly.
Check the Safety Valves
The safety valves on a floor jack are designed to prevent it from lifting too much weight. If these valves are not working properly, then it could be the cause of your problem. To check this, you’ll need to open up the jack and inspect the valves to make sure they’re not blocked or stuck. If they are, then you’ll need to replace them in order to get the jack working again.
Check the Jack Handle
If the jack handle is not working properly, then this could also be the cause of your issue. The handle should be able to turn easily and smoothly without any resistance. If it’s stuck or not turning, then you may need to replace it in order to get the jack working again.
Conclusion
If your floor jack won’t lift under load, then it could be caused by any number of issues. The most common causes are an issue with the hydraulic system, the lifting arm, the safety valves, or the jack handle. To diagnose the problem, you’ll need to open up the jack and inspect the components to see if there is anything that needs to be replaced or repaired. If you’re not confident doing this yourself, then it’s best to take it to a mechanic who can check it over and make sure everything is in order.
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