No Fluid Through The Brake Lines
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Thread: No Fluid Through The Brake Lines

  1. #1
    Opeler scodari is on a distinguished road
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    Angry No Fluid Through The Brake Lines

    Hi All:

    My son and I are trying to get a 70 GT on the road. We have had it off the road for two years...I don't know how long it was off the road by the PO. We've had the rotors turned and have installed rebuilt calipers but we get no fluid through the lines when we attempt to bleed the brakes. I thought it was a bad MC, so I disconnected the lines at the MC and I get fluid flowing from the MC when I press the brake pedal. I have attempted to blow air through the brake lines just to test if it flows freely but not luck with the air either. Do you think the lines need to be replaced? I've never done this before; do you run a new line from the MC all the way to each wheel?


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    Member My location Washout
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    Have you checked the flex lines? They are notorious for becoming blocked. If you can't get air through it something has collapsed.
    I call her Laticia, Costs more than she's worth, but what a set of headlights!

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    5,000 Post Club My location namba209 (R.I.P.) is on a distinguished road namba209 (R.I.P.)'s Avatar
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    I would suggest getting new brake hoses, there are three of them, one at each caliper and the third one just forward of the rear axle. They have been known to become deteriorated and act like one-way check valves, either allowing fluid to flow out to the brakes and not allow the brakes to retract or to restrict flow completely, as in your case. Opel GT Source --- Welcome has all three hoses and will usually get you same day shipping. Check out their on-line catalog. HTH.
    Ron
    72 GT 3.4L V-6/T-5/ZF posi - almost done - Just need AC installed.
    75 Chevy monza 5.7L/TH350/Auburn 3.08 posi - Next

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    Just an old fart My location wrench459 will become famous soon enough wrench459's Avatar
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    did you disconnect the rubber flex lines from the steel ?
    brake hose's are a very common problem with older cars
    Black Horse

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    Opeler My location mschmalenberg is on a distinguished road mschmalenberg's Avatar
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    The rubber flex hoses at the front wheels and back differential can go bad and collapse. I had trouble bleeding my front brakes after I rebuilt my front end, I had to open the bleeder valves on the back wheels to bleed the front.
    Mike
    Brandon Twp. ,MI
    71 GT, 2003 MINI Cooper S JCW#249

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    Member My location Washout
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    Wow, four of us posted at the same time with the same answer, that has to be some kind of a record.!
    I call her Laticia, Costs more than she's worth, but what a set of headlights!

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    Just an old fart My location wrench459 will become famous soon enough wrench459's Avatar
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    yes that was impressive a post 32 minutes old and 4 replys in a minute
    hey I got a car in the shop 2002 buick with a u1064- no communication on class2 serial data
    Last edited by wrench459; 02-03-2007 at 10:25 PM. Reason: spelling
    Black Horse

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