Harbor Freight Jack Seal Leak, Stop Leak? (1 Viewer)

[landtoy80]

I need an O-ring for my Central Hydraulics Harbor Freight Jack Model 42820 2.5 ton Lone Frame Floor Jack. Its the Release Valve Seal. Harbor Freight says its discontinued.
The O-ring is not an O-ring but more like a short piece of fuel line cut about 1/4" long.

Tried Napa, Carquest, Harbor Freight Parts and compressor repair shop with no luck.

My next step is a stop leak. Is there a stop leak for hydraulic oil?

 

[Joe_E]

Maybe try that real good power steering stop leak.
I forget the brand name but it was like $11 for a little bottle. I dumped some in my chevy pickup last year when the front seal started to leak. It stopped it dead for a year until I recently changed the pump.

 

[landtoy80]

I see there are several stop leak products for hydraulics.

 

[D'Animal]

Have you tried Blackhawk?

BlackhawkParts-Repair kits, parts and accessories

 

[Blue77FJ40]

Chances are high that you're dealing with a chinese made bottle jack. This site I'm providing *used* to sell repair parts for US and some chinese norco jacks. It may be worth a call to them. Worst case scenario, you'll have to buy a new bottle jack to fit into the floor jack, although the Blackhawk site looks very promising. Good luck.

Hydraulic Jacks Home Page

Thanks for the new to me site, D'Animal

 

[cruiser88]

have you tried tractor farm supply?

 

[landtoy80]

After much driving around and online searching and countless auto parts stores, Auto Zone had a vacuum hose about the same size as the hose looking o-ring. It fit and so far (knock on fake wood dash) its not bubbling out.

Every where I went or called laughed at me when I said it was a Harbor Freight jack.

 

[Joe_E]

After much driving around and online searching and countless auto parts stores, Auto Zone had a vacuum hose about the same size as the hose looking o-ring. It fit and so far (knock on fake wood dash) its not bubbling out.

Every where I went or called laughed at me when I said it was a Harbor Freight jack.

That's the downside to the super cheap chinese world of harbor freight.

 

[landtoy80]

That's the downside to the super cheap chinese world of harbor freight.

I try to avoid China crap buy this was the tallest floor jack I could find.

 

[D'Animal]

For 90% of the DIY at home maintence type people the HF stuff does fine for the 2 or 3 time a year you will use it.

 

[landtoy80]

For 90% of the DIY at home maintence type people the HF stuff does fine for the 2 or 3 time a year you will use it.

Dammit, I use mine 4 times a year, no wonder if failed on me

 

[tltaylor22]

I probably wouldn't mess with cut hose for a seal on a jack. There should be a commercial oring and gasket place somewhere near you that can custom cut you a proper seal. Just take the old one in with you. I've done that with several machines here at work without issue.

 

[landtoy80]

The o-ring looks just like a piece of vacuum hose cut down. All it does is seal the jacks release screw. The part that lowers the jack that goes into the pump is a long narrow smooth bolt. The o-ring sits in a pocket and the bolt slides o-ring. There is nothing fancy about the o-ring/hose and its holding up fine.
I did run around town and every place said they don't have a part like it.