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-   -   Master brake weeping from multiple points (https://www.rx7club.com/suspension-wheels-tires-brakes-20/master-brake-weeping-multiple-points-1135460/)

Harshjay 04-26-19 10:33 AM

Master brake weeping from multiple points
 
Hello,

I have a 95 rhd fd, and everything is spotless...except for the master brake cylinder / booster / fittings. It is weeping from a few of the fittings, and the interface between the master and the booster.

Question is, never having touched this part before, suggestion? Pull off, clean, re-fit? Replace master completely? Clean off all the parts and watch for possible single source?

My fluid is spotless, and the level has not budged in five years. I am removing all the calipers to powder coat, so would think this is a good time to mess with the master / booster.

What about 'air trapped in abs' concern, saw it mentioned in another thread regarding bleeding and caliper removal.

Took best shots I could to show the weeping / sweating.

https://cimg4.ibsrv.net/gimg/www.rx7...ca78ba64d.jpeg
visibly wet, hardline going under master, appears to be the source of the wetting underneath as well.
https://cimg0.ibsrv.net/gimg/www.rx7...c47ebca562.jpg
hardline that is visibly wet
https://cimg2.ibsrv.net/gimg/www.rx7...ba6db3ab57.jpg
can see the sweating at the brake booster interface
https://cimg5.ibsrv.net/gimg/www.rx7...54017eb02b.jpg
brake booster to master sweating
https://cimg7.ibsrv.net/gimg/www.rx7...2f30de1b5.jpeg
fitting on firewall just to the right of booster, clutch? also appears to be sweating a bit.


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