Tools, Sharpening and Power Machinery - Repairing a non-leaking floor jack

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Rock Stone
08-06-09, 09:27 PM
I've got a floor jack that doesn't leak any fluid, but it will only lift the car a couple inches. I keep pumping but it goes no higher? It used to work just fine.

Any ideas/suggestions?

Thanks,

Rock

chandler
08-07-09, 04:41 AM
I have a 2 ton bottle jack with the same symptoms. I did exploratory surgery and found the one-way washer that pressurizes the cylinder had become almost mush being in contact with the fluid for all these years, and was not pushing the fluid. The O rings behind it kept if from leaking, but it was just not working. Buying an exact replacement hasn't been successful. Manufacturer's website may help.