Connecting Brake Master Cylinder to the Reservoir

[mvanatta12]

I bought a new Brake Master Cylinder, 19mm, Bug 50-64 CPR113611021CX  because the one I had one crap. Last week I bought Brake Fluid Reservoir, Thread In BUS: 50-67 CPR211611301C/M. I bought this one because I have a fiberglass buggy and it said it was popular for sand rails so I figured what the heck must work for me. I noticed the old reservoir just had a line going to the master cylinder on top through a rubber grommet, but the top of the line connecting to the reservoir seems to be pressed together. Anyone have any ideas how I can connect the threaded side of the new reservoir to the new master cylinder? Sorry for the stupid question, I'm new at this VW stuff.

[buggyman]

 
That reservoir was intended to go along with a matching threaded bus master cylinder

http://www.chircoestore.com/catalog/product_info.php?cPath=86_87_88&products_id=597
which is 22mm ID which would change the relationship between it & the wheel cylinders a little(a volume/pressure difference which would just make it feel a little different).
That master is also more expensive than the correct one you bought & the correct reservoir for your car is less expensive than the mismatched reservoir that you bought

http://www.chircoestore.com/catalog/product_info.php?cPath=86_87_90&products_id=563
I'd just return the incorrect reservoir in favor of the correct one for your car .
 

[mvanatta12]

Thanks for the info. Maybe I can send back the reservoir tomorrow. The thing that threw me off is my old reservoir is a metal round one. Nothing like the shape of the one you attached above. Do I need to order anything else along with the correct reservoir to get my stuff to work? Does this reservoir attach to the top of the master cylinder like the bus one or do I link the two with a break line? Reason I ask is I just bought a new grommet for the top hole of the master cylinder and I'd hate for it to be useless right now and a waste of money.

Thanks for all the help!!

Matt

[buggyman]

 
"The thing that threw me off is my old reservoir is a metal round one. Nothing like the shape of the one you attached above."
It had been changed out with something else in the past .

"Do I need to order anything else along with the correct reservoir to get my stuff to work? Does this reservoir attach to the top of the master cylinder like the bus one or do I link the two with a break line?"
The original setup was a bracket on the inner spare tire well apron

& a combination of hard & soft lines leading down & back from there to the top of the master fluid intake port,your original setup was everthing associated with #5 here

Click & post up a few narrow & wider angle pics of your current setup so I/we can help you figure out a practical mounting/remounting setup .

"Thanks for all the help!!"
Thaaat's what we're all here for Matt

[VIN]

Cnc has some sweet remote reservoirs. Better than those plastic ones

http://cncbrakes.com/acc.asp?grp=acc&subgrp=all&series=rrk&subseries=

[mvanatta12]

Here's my crappy setup I currently have. The first picture has the master cylinder on the bottom left and the U-clamp that was holding the old reservoir to the firewall (even though it fiberglass) in the top right, currently hanging sideways. The below picture should be the old reservoir that I removed and the break line that it currently has connected to it. Think its possible to use the bus reservoir and connect it to the master cylinder basically the same way my old setup was? If I could buy a fitting that would connect to the bottom of the bus reservoir that plugs in the grommet in the master cylinder would be easier than having to wait a week for parts to be shipped from Nor Cal to AZ and back.

[Rob 57 Oval (Talon)]

...would be easier than having to wait a week for parts to be shipped from Nor Cal to AZ and back.

I found out the hard way on earlier cars... do it right with the right parts.  My 2 cents

[Rick G]

If it were me, I would, as Buggyman said, use the early type reservoir shown in the above post. Get some new blue hose too, to connect the reservoir to the cylinder. I don't think they have this listed on the store site, but they do have it. Looking at your photo, I might relocate the reservoir to directly over the master to make the line shorter, but then again that's just me. The reservoir is mounted in a similar fashion with steel strap in my Laser917 kit car, except that it is mounted on the fenderwell behind the left front tire.

RIck

[buggyman]

 
"I found out the hard way on earlier cars... do it right with the right parts."
Well,here he's working on a fiberglass buggy,so we gotta throw out ideas which might accomodate a "best compromise" solution .

1st thing Matt ,do you like the location of the old one or would you find it better to be placed somewhere else closeby?,maybe higher up & more accessable?,where it can be securely mounted .

By "& wider angle pics" I was thinkin' more along the lines of backing off for a view of the whole front compartment that you have to work with .

The 1484 that VIN mentions would be perfect,order that & return the bus one for a later refund simultainiously .

"If I could buy a fitting that would connect to the bottom of the bus reservoir that plugs in the grommet in the master cylinder"
You won't find one made for that purpose in normal car channels,so this is where you'd have to be creative with locally available non-car options ,you'd have to search around local hardware stores which carry metric threaded fittings.I searched six-ways-to-sunday for the size of that thread & found no reference to it ,but I think it's 21mm x 1.5 threadpitch based on the 22mmID of the gasket that's used on the bus setup.Places to look would be a HomeyD or Lowes in the plumbing-airconditioning areas or a specialty hardware store like http://www.google.com/search?hl=en&source=hp&q=mcfadden-dale+hardware&aq=1&aqi=g8&oq=mcfadden- or other places which might carry metric-based hydraulic fittings like hose barbs http://images.google.com/images?hl=en&um=1&sa=1&q=metric+threaded+BRASS+HEX+HOSE+BARBS&btnG=Search&aq=f&oq=&aqi=&start=0  or http://images.google.com/images?hl=en&um=1&q=metric+threaded+hydraulic+fittings&sa=N&start=0&ndsp=20   .
Carry both the bus reservoir & line leading down to the master with you & talk it over with the guy at the counter & test fit ,I realllly like it when someone comes walking in & states straight up that they're trying to adapt something unusual so I can get a feel for where they're trying to go with it rather than tough it out with no info .
FWIW,that's on the no pressure side of a gravity feed to the master-so all it'd have to do is seal with a brake fluid impervious gasket or a metal to metal compression type fitting since it's not gonna be under any direct hydraulic pressure .
 


We juuuust passed each other Rick while I was typin' away

[mvanatta12]

Just wanted to give everyone an update on what I decided to do with what I have. I kept the bus reservoir and got a little creative with it. Since the male end is basically foreign in the fitting world, I decided to cut the threads of and tap the inside of what was left to fit a 1/4" pipe thread fitting. I put a reducer in there down to an 1/8" pipe thread then went to the local Napa store and got a piece of metal break line. I moved the reservoir from the position it was in originally (top right corner looking at the firewall), to the left side of the firewall. Below I'll attach a couple of pictures to show what I came up with. Thanks for all the help and ideas to everyone who replied!

[VIN]

that'll work