R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 R53 Brake Fluid Reservoir Replacement

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Old Oct 23, 2012 | 10:28 AM
  #1  
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R53 Brake Fluid Reservoir Replacement

Hi,

I need to replace my brake fluid reservoir and can't figure out how to remove the clutch feed hose. The hose does not have any form of clamp and I can see on the new reservoir that there is only a small plastic barb.

Has anybody removed this hose? Do I just carefully but forcefully pull the hose off or is there some form of connector like a fuel line inside the end of the hose that i just have not noticed? I feel that the hose does move in and out from it's connection to the reservoir (slightly), that's why I am suspecting there is some kind of internal fitting.

Thanks for your help in advance!

Rad
 
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Old Oct 23, 2012 | 04:44 PM
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Figured it out....
 
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Old Oct 23, 2012 | 04:47 PM
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Originally Posted by RadRodriguez
Figured it out....
If you post what you did, it will help the next person in your situation!!
 
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Old Oct 24, 2012 | 12:23 AM
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Originally Posted by zippynh
if you post what you did, it will help the next person in your situation!!
+1!
 
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Old Oct 24, 2012 | 05:37 AM
  #5  
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The clutch feed hose slips onto the little extension on the right side (facing engine compartment, car's left) of the reservoir. The end of the hose has a 2 piece rubber terminal fitting for lack of a better term. I gently but forcefully pulled the hose while wiggling it left and right and the hose end separated from the second part of the fitting. This left the hose free and the fitting still on the stubby end on the reservoir. I then worked the fitting over the barbs on the end of the stub. Without the fitting being inside the hose, it went over the barbs pretty easily.

To install the hose on the new reservoir, I placed the second part of the hose terminal inside the hose and just pushed it onto the stubby extension on the side of the reservoir. It went right in without any problems.

No bleeding of either the clutch or the brakes is required as the fluid in the master cyclinder and the clutch feed line are not disturbed. just fill the reservoir and go drive!

I realize that a couple of pictured would help this description bur with hands covered in brake fluid (fluid will spill from the old reservoir as you remove it), there was just no way to get my phone and take some pictures.

I hope this helps!
 
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Old Jun 1, 2025 | 01:32 PM
  #6  
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Just got done with this project. RadRodriguez's short description helped for sure... so here's pictures for the next guy.
One note, putting the clutch line back on was easier with the rubber sleeve already in the end of the tube... Getting the line to go over the nipple on the reservoir and the rubber seal was too much.
If you keep the clutch line full, you should need to bleed it.. I clamped the line to the frame to keep it full while I worked on removing the reservoir.
It's also a mess.... get as many rags as you can under there.





Clutch line off the brake reservoir
Clutch line off the brake reservoir

 
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Old Jun 2, 2025 | 08:35 AM
  #7  
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thank you, planning to do this soon once i get a free weekend
 
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Old Jul 19, 2025 | 05:04 PM
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Oh damn, I thought I broke the tip and needed to replace the hose. With the brake fluid leaking out of the reservoir, it was too damn slippery to jam the other end of the hose onto both the nipple and this rubbery piece. Sounds like I'll need to take it off first, put it into the hose, and then attach that entire contraption onto the nipple?



My cute little zip-tie here didn't work, lol... what an idiotic connector!
 
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Old Jul 22, 2025 | 08:43 PM
  #9  
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Originally Posted by bump32
Just got done with this project. RadRodriguez's short description helped for sure... so here's pictures for the next guy.
One note, putting the clutch line back on was easier with the rubber sleeve already in the end of the tube... Getting the line to go over the nipple on the reservoir and the rubber seal was too much.
If you keep the clutch line full, you should need to bleed it.. I clamped the line to the frame to keep it full while I worked on removing the reservoir.
It's also a mess.... get as many rags as you can under there.
Oh thank sweet baby jesus, I thought I snapped the end off that clutch feeder line. Bump your instructions were super helpful, esp. about putting the rubber sleeve into the end of the tube before putting it onto the nipple.
 
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