Why Does My Floor Jack Leaks Down

Be sure to turn the jack on its side and inspect the ram in both the extended and retracted positions.

Why does my floor jack leaks down. Sounds more like the seals or sealing part of the jack that you turn to lock it out so you can jack up the car and then turn to release the jack to lower the car are worn out damaged or the. Copy my 20 year old floor jack pumps up allright but creeps down. One of the benefits of having a high quality hydraulic floor jack is that the jack can be rebuilt at any time using o rings available from any hardware store.

It is full of fluid and dosent leak. Rebuilding a hydraulic floor jack. Inspect the hydraulic floor jack before and after each use.

Page 1 2. Cracked welds fluid leaks or damaged loose or missing parts compromise the safety and effectiveness of the floor jack. The biggest reason that the floor jack is leaking is because of a faulty o ring.

In fact this can damage the inside of the cylinders which may be the cause of the marks on the interior of the cylinder that damaged the rings and seals mentioned earlier. Floor jack creeps down. This ring is on the valve screw and can be easily removed by prying it off with a flat handled screwdriver.

I was able to pull the lift. The lift arm no longer rises when the handle is pumped up and down. Hydraulic jacks that leak down have broken or damaged seals and piston rings somewhere in the jack.

Clean off the valve screw with a rag and install a new o ring. You may also find that a thorough cleaning will help the performance of your floor jack. Step 6 fill jack with fluid.