If the jack drifts down when weight is on it, the seals are failing. The jack would be unsafe at that point.
you need to get it repaired or it will become useless. Infact it is dangerous to use it now, it could drop whatever its holding up if it loses oil pressure (which is what allows it to lift things in the first place)..
Clean the engine and check it again while its hot and running. Maybe the thermostat gasket? I fixed one of these yesterday. Rubber gasket had swollen and torn. Coolant tends to evaporate where it leaks, so you'll only have a puddle if the leak is big. Small leaks tend to stop when the motor is not running, since the water pump increases the pressure in the block significantly.
a puddle
A puddle is a small pool of water, usually found on a road or path.
A puddle
A very small lake.
A puddle
puddle
We had a similar issue. We replaced the gas cap and the fuel filter. The smell was still there. A small puddle was discovered only after parking it over night. We replaced two fuel lines underneath the brake cylinder area.
The puddle is a small reservoir of water. The sun's heat evaporates water from the puddle. The water from the puddle turns into water vapour, helps to form clouds, etc.
The puddle is a small reservoir of water. The sun's heat evaporates water from the puddle. The water from the puddle turns into water vapour, helps to form clouds, etc.
The puddle is a small reservoir of water. The sun's heat evaporates water from the puddle. The water from the puddle turns into water vapour, helps to form clouds, etc.