My Floor Jack Keeps Leaking Down Under Load

If you are using it to keep something up over night you are using it wrong.

My floor jack keeps leaking down under load. Since floor jacks can be heavy make sure that the work table is heavy duty and clear of any debris or obstacles. I just use my floor jack to get something up in the air so i can put jack stands under it. Btw i am a big safety freak especially with a less than perfect floor at the moment. 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.

In order to fix the leak in your floor jack you will need to place it on a solid work surface. I have found any of the jacks with the fast pump up till the load seem to have problems with leak down. Hydraulic jacks that leak down have broken or damaged seals and piston rings somewhere in the jack. Gary roadster1927 mar 21 2012.

It s still money well invested. Does the jack slowly lower even when it s in the locked position. Refill the reservoir until it s full then place the seal cap back. To refill the hydraulic cylinder make sure to use hydraulic.

After which turn the jack s release position and pump it a few times to purge the accumulated air out. For detailed instructions on how to change hydraulic oil for both floor and bottle jacks please refer to this video. Subframes or floor boards are not a secure location and will cave in under the weight of the axle cause damage to the vehicle and compromise the safety of the hydraulic floor jack. You may also find that a thorough cleaning will help the performance of your floor jack.

I have those and normally do my floor at present isn t level and its a pig in this case i only had my regular stands available so had them under and just used the jack to level the extra little bit so not a safety issue. Wells mar 20 2012. Dirt and debris in the fluid system can be a real problem. In order to get at the o ring in the floor jack you will need to loosen the valve screw.

Do you have a hydraulic jack that is slow doesn t stay up or maybe doesn t lift at all. Parts kits designed to rebuild a floor jack will generally have what you need sometimes even a few small parts that you may not need to replace. Step 7 close the release valve of the floor jack by turning the handle clockwise after the saddle has been placed properly. There are a few easy cheap things you can do to bring a floor jack.

Is your hydraulic jack failing to hold your car up.