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Old 09-09-2008, 04:24 AM   #1
beaulieu
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Default is hydraulic floor jack oil same as brake fluid ?

does anyone know if you can use brake fluid in a hydraulic floor jack ?

it seems like it should be the same stuff but I am not sure,
is there a hydraulic only fluid ?

thanks for the info, I am sure I am not the only one wondering

Beaulieu
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Last edited by beaulieu; 09-09-2008 at 04:29 AM.
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Old 09-09-2008, 04:31 AM   #2
HEMI32
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Default Re: is hydraulic floor jack oil same as brake fluid ?

no ... most floor jacks use an ISO 32 hydraulic oil ... using brake fluid, tranny fluid, or motor oil will screw up the seals.
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Old 09-09-2008, 04:31 AM   #3
weemark
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Default Re: is hydraulic floor jack oil same as brake fluid ?

no brake fluid normally ruins the seals for some reason. use hydraulic fluid - should be easy to find and is cheap.
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Old 09-09-2008, 04:44 AM   #4
beater32
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Default Re: is hydraulic floor jack oil same as brake fluid ?

I use air-tool oil.No probs
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Old 09-09-2008, 05:26 AM   #5
skidmarks
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Default Re: is hydraulic floor jack oil same as brake fluid ?

brake fluid will swell up the seals, old used car lot "fix" for a slipping automatic transmision, put a little brake fluid in it , swell up the seals and get it to stop slipping...................for enough time to see the brake lights disappear.
jack oil is high pressure hydraulic oil, then there is UTF and a lot of others. some hyd. systems use 10w non detergent.
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Old 09-09-2008, 05:40 AM   #6
BigNick1959
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Default Re: is hydraulic floor jack oil same as brake fluid ?

I just asked a friend last weekend what he used in his jacks and he said he's used ATF for years. I guess if your going to the store anyway, how much more $$ can hydraulic cost then ATF.
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Old 09-09-2008, 08:39 AM   #7
C9
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Default Re: is hydraulic floor jack oil same as brake fluid ?

I used ATF in a Walker.

Took 20 years before the leaks started.

None of the 4 jacks leak now, but if one did I'd probaby replace the factory oil with USA made jack oil.
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Old 09-09-2008, 08:43 AM   #8
King Tut
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Default Re: is hydraulic floor jack oil same as brake fluid ?

Ive always used hydraulic jack oil and never had a problem..My Craftsman jack is over 25 years old and still going strong..with proper maintenance it should last a 100 years!!!!!!!!!!

...Bruno...
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Old 09-09-2008, 08:46 AM   #9
fab32
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Default Re: is hydraulic floor jack oil same as brake fluid ?

I had a hydraulic and air tool repair business for a number of years and the most common reason for having jacks go bad was the use of brake fluid. The reason has already been stated.................JUST REMEMBER IT

Frank
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Old 09-09-2008, 10:22 AM   #10
Barrelnose pickup
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Default Re: is hydraulic floor jack oil same as brake fluid ?

32 weight hyd oil is what you want,any hyd repair shop would probly give you enough for your jack,have a nice day
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Old 09-09-2008, 11:34 AM   #11
beaulieu
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Default Re: is hydraulic floor jack oil same as brake fluid ?

thanks guys ,,,,,
I get it....NO BRAKE FLUID...

Beaulieu
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