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View Full Version : Need help with Z32 Nabco master cyl! PWEEEZ

dub40sx
10-06-2010, 10:50 PM
So I picked up a Z32 master cyl. Its a Nabco MB50 (1"). So it has a total of 4 holes on the side of it.

left>right
-Front R
-Front L
-mystery
-Rear

The thing is I need to find out what that small little hole is. I see pics of these Nabcos and they all seem to have a plastic plug in um or something. I can't get an answer on what it is though.

Bottom line is mine is missing it and when you press the pedal it squirts alittle fluid out.

If anyone has any info on it please help me out!

THANKS IN ADVANCE!





Picture of what im dealing with.
http://img162.imageshack.us/img162/3963/2271316140081798282gkiaeb8.jpg
dub40sx
10-07-2010, 07:15 PM
No input?????????
chituntang
10-08-2010, 09:40 AM
bleeder screw? I check mine and tell you later
dub40sx
10-13-2010, 08:24 PM
nothing? ?
axlegrease
10-13-2010, 08:56 PM
Man I'm pretty sure that hole is supposed to come plugged up from the factory. I had a tokico one and it had a Allen set screw or something in there plugging it up when I took it out of the box. Not sure what it's there for really, but it should definitely not leak any brake fluid. Have you tried contacting whoever sold it to you?
Pigeon Crusher
10-13-2010, 10:38 PM
Man I'm pretty sure that hole is supposed to come plugged up from the factory. I had a tokico one and it had a Allen set screw or something in there plugging it up when I took it out of the box. Not sure what it's there for really, but it should definitely not leak any brake fluid. Have you tried contacting whoever sold it to you?

That's strange I had one like this it was missing the plug but never leaked. I would contact who ever sold it to you.
dub40sx
10-14-2010, 10:19 PM
^ hum... thats odd to hear.

Unfortunatly I did buy this from Japan making it that much harder to contact the seller. Probably nothing I can do about it im guessing.

I know the Tokico and Nabco are a bit different so honestly don't know if those are good comparisons.

I guess tomorrow im gonna pull it out and see if I can tap a small set screw into it. If not ill have a buddy weld it closed. I don't see any purpose for it so I just wanna close it off and call it good. Need this car to run in like 2 weeks! yikes.