Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

BAD BRAKE FLUID LEAK

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  #1  
Old 06-26-2008, 06:37 AM
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Default BAD BRAKE FLUID LEAK

I have a very bad leak but cant figure out exactly what the part is it is coming from or how to fix it. If you follow the brake lines off from the proportioning valve they go down to another "block" it has all four lines in a row right below them is a black box looking thing not sure if they are attached to this though. The black box or cover has 2 holes in the bottom of it / acess to what feels like torx screws. This is where it is all coming out at. Any help is appreciated I really need to fix this. I hope someone knows what area im talking about

Cheers
Jimmy
 
  #2  
Old 06-26-2008, 07:50 AM
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Default RE: BAD BRAKE FLUID LEAK

What you describe is your ABS system. The ABS controller modules all seem to go bad but your problem with it leaking is fairly rare. I would check with your local salvage yards for a replacement. You will obviously need to bleed the brakes after you change it. There are two base versions - pre '95 and '96 and on - they look very different and you should be able to tell if you have the correct style by just looking at it. What you cannot tell just by looking at it is if it has TRACS or not - you will need to get a unit that matches your original in that regard.

...Lee
 
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Old 06-26-2008, 08:39 AM
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Default RE: BAD BRAKE FLUID LEAK

+1. But I have never heard of one leaking like that. Are all the lines tight at the black ABS controller?
 
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Old 06-26-2008, 09:37 AM
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Default RE: BAD BRAKE FLUID LEAK

Yeah I think so, I haven't had time to get parts off to have a close look, thats tomorrows job. The leak doesn't seem to be coming from the lines though.

 
  #5  
Old 06-26-2008, 07:13 PM
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Default RE: BAD BRAKE FLUID LEAK

That is strange. Also look on the back of the master cylinder and see if there is a sensor coming off the back of it. If it has one make sure the leak isn't from that.
 
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