TwinTurbo.NET: Nissan 300ZX forum - BIG "?" mark on rear brake fluid leak....maybe????
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Subject BIG "?" mark on rear brake fluid leak....maybe????
     
Posted by Z ONLY1 on September 12, 2012 at 8:27 AM
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Message Try to make a long story short....finally got around to installing many mods...pulled engine and tranny, dropped rear subframe (had leader 4.10 install), 2.5" piping, 300 degree rail....you get it...
about a year ago, I rebuilt all the stock calipers, changed over to blue Motul fluid, has performed great for over a year....pulled car into friends car work building...and before even jacked car up, I removed the rear deck wood I made for the hatch area and then....a waterfall of blue fluid draining on both sides of the differential, behind the Hicas elimination bar....first thought, wear is the freakin' brake fluid coming from, what could I have done, how dangerous was this??? He has a part car, so we figured, find the leak, change out the defective hard line....and find the source of the leak...

Well after putting everything back together, we are having a stall point. When this ocurred no fluid on subframe or differential ?, we have looked and looked for any brake leaks, no fluid signs anywhere, have hooked up all calipers and pressurized system, no leaks, looking at all the hard lines under the Z, no leaks. Hooked battery up, thinking bizarre, perhaps activate the ABS module....no leaks.
The puddle was about 4-6 sq. ft. in area, yet the master resevoir wasn't down significantly????

So wanting to get this back together and still no answers.... went into weird thought area, I removed the rear wiper years ago, but the wiper resevoir is still in car, blue fluid???....nope don't think that was it it, filled it up and no leaks....

At this point we are at a loss, this could be a safety issue if a brake system leak.....anybody have any ideas of what we can look at to ensure no brake fluid leaks....I am beginning to think I will never learn what the leak was....when occurred first thought was the blue Motul fluid and just quickly covered with the clay clean-up granules, so never analyzed the liquid (didn't want to make a mess in his place)....

Thanks for any suggestions....

     
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