HWH jack going up slow

PursuitInsight wrote:
Doug, please keep to the original post. you might have a point to the oil level. maybe the OP had a low oil level low while not all jacks were totally up.
Then adding more will not help.

Now to keep inline with the OP, when i removed my bad jack oil solenoid, the jack was down and stayed there. so the line could not have pressure. i used the lumber to move the jack up, the oil squirted all over the place. after this, putting back the soleinoid, filling with oil, all was good.
it has been a year now and that jack works everytime.

the jack chrome surface had no scores.

putting ALL CAPS does not change the fact that changing the oil worked, that made me feel good, not changing the oil

a jack and oil is a jack and oil. not exact product relatated

Yes, it IS product related. I have 30 plus years working on and FIXING RV Hydraulic jacks systems. Transmission oil will NOT go bad on a RV Jack system. It CAN go bad if you introduce water or other products to that oil. Now, can you state you have OWNED that RV from NEW? If not, then you cannot state your Transmission oil was possible defective due to what someone prior to you did to it. There are NO gears or moving parts to deteriorate the Trans oil in a RV Jack system. With NO oil and the line removed on a Jack, the springs will easily retract a jack. You can PUSH a jack retracted with your hand if the line has NO oil or the line is removed from the jack. IF you have to pry a Jack UP with a lever and the line is removed or there is no oil in the system, your SEALS are defective and/or the piston might be slightly bent. Now, you have PG jacks and the fact that you replaced the fluid and no problems since points to your original fluid had some type of contaminate in it. Some people will use leak stop additive if they have a jack that is leaking. BAD IDEA. It contaminates the fluid and does cause sticking seals. Doug