Repairing Chinese Bottle Jacks

jjvw

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Supporting Member
Feb 17, 2018
5,743
Colorado, USA
One of my bottle jacks failed on me today and won't hold pressure. I requested a return through Amazon, but I'm wondering if it is worth repairing. Are the hard parts on these jacks reliable? If replacing junk o-rings with better ones is all that is necessary, I would almost rather do that than play Chinese roulette with a replacement
 

astjp2

TJ Addict
Aug 22, 2018
1,390
Utah and Alaska
Check the check ball, it is usually a small ball bearing that gets pitted. Pull the pump part out and it should be at the bottom. Tim
 
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jjvw

jjvw

0-60 in 18 seconds
Supporting Member
Feb 17, 2018
5,743
Colorado, USA
An update on my Chinese bottle jack...

I went through the bleeding process again and also followed this video...

The jack feels and sounds different compared to when I initially bled the air out. I lifted the Jeep up and down several times and then left it in the air for a couple hours. So far so good.
 
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