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Re: PS Fluid leaking out weep hole on booster. (archive)
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Posted by Fred on November 23, 2001 at 07:57:00:

In Reply to: PS Fluid leaking out weep hole on booster. posted by Brent 86' 735i on November 22, 2001 at 23:52:57:

You need to rebuild the brake booster. Search for "rebuild brake booster", it will give you the informations about the o-ring size to use, where to get it and the procedure. The important thing to remember is before opening the screw make sure to put a cloth around the open end because there is a heavy spring inside. To prevent that hurt your eye, do not face that open end.


My 86' 735i is leaking PS fluid from the weep hole on the Brake Booster. I noticed a small drip a week after I replaced the Master Cylinder a few months back. Went out to drive the car a few weeks ago and found a puddle under the car (not too big a puddle), but last night went to drive the car and the puddle was big. Could this just be the o-ring between the Brake Booster and the Master Cylinder ?? This car is not driven very much.

Thanks for any info.

Brent...




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