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GS1000 Rear master leaky banjo bolt ?

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    GS1000 Rear master leaky banjo bolt ?

    I have a persisent small brake fluid leak were the brake fluid bolt connects the Russell brake line to the master cylinder. I discovered this leak a while back and I replaced the two old crush washers with suzuki oem parts and didn't give it another thought. Today while assembling body parts I noticied some brake fluid were my lovely finger is pointing. I already torqued it down pretty good.

    Any suggestions or has someone had the same problem?



    Steve

    1979 GS1000E (45 Yrs), 1981 GPz550 (11 Yrs)

    #2
    Are there crush washers on both sides of that banjo bolt?? Can't really see the bottom one...

    I've been using the 3/8" copper crush washers from Z1. They come in a 10 pack & they're pretty cheap.

    They are a little bigger than OEM & seal well. Perhaps the face of the offending banjo has a small nick on it??
    '85 GS550L - SOLD
    '85 GS550E - SOLD
    '82 GS650GL - SOLD
    '81 GS750L - SOLD
    '82 GS850GL - trusty steed
    '80 GS1100L - son's project bike
    '82 GS1100G - SOLD
    '81 GS1100E - Big Red (daily rider)

    Comment


      #3
      You are right the pics isn't too good but yes there are crush washers on both sides of that banjo bolt. I think the leak is occurring at the bottom washer. Are the Z-1 copper crush washers softer or do they compress easier?
      Steve

      1979 GS1000E (45 Yrs), 1981 GPz550 (11 Yrs)

      Comment


        #4
        I wouldn't say they're softer, just have a larger OD so maybe it covers more of the banjo face. The OEM ones are copper too I believe, just with a coating/plating.

        I would think you could get replacement crush washers at a hose shop - the 3/8" ones fit the 10mm bolts just fine.

        I see you're from Westminster, my wife is from Lousiville, right next door.
        '85 GS550L - SOLD
        '85 GS550E - SOLD
        '82 GS650GL - SOLD
        '81 GS750L - SOLD
        '82 GS850GL - trusty steed
        '80 GS1100L - son's project bike
        '82 GS1100G - SOLD
        '81 GS1100E - Big Red (daily rider)

        Comment


          #5
          Originally posted by hikermikem View Post
          I wouldn't say they're softer, just have a larger OD so maybe it covers more of the banjo face. The OEM ones are copper too I believe, just with a coating/plating.

          I would think you could get replacement crush washers at a hose shop - the 3/8" ones fit the 10mm bolts just fine.

          I see you're from Westminster, my wife is from Lousiville, right next door.
          I am just trying to ensure which ever crush washer I buy cures the leak because this is the second time I have this leak now in less than 6 months. I looked at the bag of suzuki crush washers and I see one side of the crush washer is flat while the other is slightly crowned. Perhaps I have them orientated wrong?

          I like Colorado been here a decade so far. I think Money Magazine recently stated Louisville, CO. was one of the 2009 top ten US cities to live in.
          Steve

          1979 GS1000E (45 Yrs), 1981 GPz550 (11 Yrs)

          Comment


            #6
            Originally posted by srsupertrap View Post
            I am just trying to ensure which ever crush washer I buy cures the leak because this is the second time I have this leak now in less than 6 months. I looked at the bag of suzuki crush washers and I see one side of the crush washer is flat while the other is slightly crowned. Perhaps I have them orientated wrong?
            I was going to suggest that as well, take it apart & flip the washer around, but give the face of the banjo a good look for any nicks or dings first. Check the top of the M/C too, it's aluminum & maybe there's a small burr keeping the washer from sealing.

            Originally posted by srsupertrap View Post
            I like Colorado been here a decade so far. I think Money Magazine recently stated Louisville, CO. was one of the 2009 top ten US cities to live in.
            I remember Louisville BEFORE the Wal-Mart & the cinema & the Home Depot, etc...

            Is the Blue Parrot still there on Main?
            '85 GS550L - SOLD
            '85 GS550E - SOLD
            '82 GS650GL - SOLD
            '81 GS750L - SOLD
            '82 GS850GL - trusty steed
            '80 GS1100L - son's project bike
            '82 GS1100G - SOLD
            '81 GS1100E - Big Red (daily rider)

            Comment

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