I would like to try to tune up my floor jack before giving up on it and
buying a new one. It works, in that it lifts my vehicles and holds the
weight with no problems, but it seems like it takes more pumps than it
used to. Each pump only raises the jack about a 1/2" and the handle has
to be pushed almost to the ground to get even that much.
As can be seen in the link below, there are 3 plugs associated with
A screw plug, covered by a clear plastic disk. I think that may be
the air bleeder plug.
A hex head plug, which I believe is the fill hole.
A rubber plug in the middle of the cylinder whose purpose I do not
I watched 3 different videos on how to bleed a floor jack. Each
one showed a different method. One said to remove just the air bleeder
plug, another said to remove both the air bleeder and the fill plug and
the last one said to just push the rubber plug to the side and the air
will rush out. (They all said to loosen the handle and pump the jack to
What is the correct procedure to bleed (and possibly fill) this jack?