Hydraulic jack oil 8.
Floor jack oil level.
Filling jack oil reservoir.
Sometimes more oil could be the reason for leak down.
If the problem is not solved after these steps then the pressure valve needed to be repaired.
Continue pressing until the jack is down to its lowest position.
To fix a floor jack that leaks down firstly check the reservoir from the level of oil in it.
The funnel should prevent any unnecessary spills when refilling the oil.
Look for any oil seepage around this valve.
Place the floor jack on a hard level surface.
Press the jack downward.
After the rubber plug is removed you ll be able to see the hydraulic oil level.
Use the jack handle to turn the valve a half turn in a counterclockwise direction.
Return the fluid release valve to its original position by turning it a half turn in a clockwise direction.
The hydraulic jack oil should be visible 3 16 inch above the inner cylinder wall.
Step 4 place the small end of a clean plastic funnel into the oil filler opening hole.
Lift the arm and release it slowly it will lead to pushing the air out.
Slowly pour in oil.
I could see that the reservoir in my jack was nearly empty which explains its inability to lift a vehicle.
Put the jack in the down position by opening the release valve the valve that when opened allows oil to flow back into the main oil reservoir located at the bottom of the jack thus lowering the ram piston.
You should make sure that your oil is poured to this level.
Only start pouring the oil when the funnel is in place.
Use a small funnel or a large syringe to slowly add oil to the.