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Thread: rubber grease & petrolium jelly, same stuff?

  1. 17th June 2007, 09:43 PM #1
    HangOver's Avatar
    HangOver
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    rubber grease & petrolium jelly, same stuff?

    Hi all
    am I correct in thinking that rubber grease for oil seals etc is more or less the same stuff as petrolium jelly?

    "The Book" suggests I use rubber grease for seals I just want to know.
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  2. 17th June 2007, 09:57 PM #2
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    its more or less the same grease in the way that sulphuric acid is the same as citric acid...


    Dont use petroleum jelly on any seal that has rubber grease pescified. Dont use it on rubber seals or brake parts.
    Dave

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  3. 17th June 2007, 10:04 PM #3
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    good job I asked.
    thanks
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  4. 17th June 2007, 10:38 PM #4
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    if you are working on brakes.......lube everything with rubber grease or brakefluid only........


    if you want to lube seals on the auto trans.......then vaselline is great for this.......


    for any seals holding in gear or engine oil.......i use either rubber grease....or normal HTB grease......
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  5. 17th June 2007, 11:49 PM #5
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    i'm having a go at rebuilding my gearbox the grease is for the slave cylinder piston
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  6. 18th June 2007, 02:08 AM #6
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    Quote Originally Posted by HangOver View Post
    i'm having a go at rebuilding my gearbox the grease is for the slave cylinder piston


    it uses brake fluid.......you need to use only rubber grease or brake fluid to lube things up.........
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  7. 18th June 2007, 05:23 AM #7
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    Quote Originally Posted by HangOver View Post
    Hi all
    am I correct in thinking that rubber grease for oil seals etc is more or less the same stuff as petrolium jelly?

    ............
    Just to reinforce those who stayed up late - NO

    Petroleum jelly is, like ordinary grease, is made up mainly or entirely of hydrocarbons. Hydrocarbons of any sort will destroy natural rubber (usually used in brake components). If it says use rubber grease - do not use anything that contains hydrocarbons. In fact, make sure your hands do not have traces of grease or oil on them when handling the parts, either the rubber components or anything in contact with them or the fluid (brake fluid) they work with.

    John
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