Brake Booster Internals

likengtj · 04-07-2003

I'm in the process of rebuilding my brakes. After removing the master cylinder and brake booster, I noticed fluid inside the housing of the booster. I know this is NOT a good thing.
The master cylinder is going to be replaced with the NAPA unit.

Now my questions:
Has anyone ever cleaned the inside of the booster?
Any hints on how to get rid of the traces of fluid in it?
Am I going to need a new booster unit?

jpblanco · 04-07-2003

most likely you had a bad seal and leaked fluid into the booster diaphram area. I would replace the booster and the master cylinder since if you clean it there is no way to tell if the vascules have been damaged.

--------------------------------------------
JB
gtbrake_man

likengtj · 04-07-2003

Yes, indeed the M/C had a bad seal. That's reason for replacing it. What are the vascules?

okieopel · 04-08-2003

I belive he means the booster diaphragm. He is saying there ain't no way to check if the diaphagm will leak or not. And he suggest that you replace it with a new one. Which is very sound advice.

I however simply wiped mine with a clean shop rag (careful not to damage the diaphragm) and slapped it back together.

jpblanco · 04-08-2003

Vascules are the differential chambers that make up the diaphram. I'm an engineer so I tend to speak a little weird.
But in any event, brake fluid eats up the seals and just about everything else inside so you can clean it now and replace it later or, do the job properly and be done with it.

I design braking systems for race cars and the Opel is a good candidate for an upgrade if you have a few horses under the hood.

JB
gtbrake_man

04-07-2003	#1 (permalink)
likengtj Member Join Date: Jan 2003 Location: 07712 Posts: 113 Classified Rating: 0% (0)	Unanswered: Brake Booster Internals I'm in the process of rebuilding my brakes. After removing the master cylinder and brake booster, I noticed fluid inside the housing of the booster. I know this is NOT a good thing. The master cylinder is going to be replaced with the NAPA unit. Now my questions: Has anyone ever cleaned the inside of the booster? Any hints on how to get rid of the traces of fluid in it? Am I going to need a new booster unit?

04-07-2003	#3 (permalink)
likengtj Member Join Date: Jan 2003 Location: 07712 Posts: 113 Classified Rating: 0% (0)	Vascules ??? Yes, indeed the M/C had a bad seal. That's reason for replacing it. What are the vascules?

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04-07-2003	#2 (permalink)
jpblanco Opeler Join Date: Dec 2002 Location: miami Posts: 7 Classified Rating: 0% (0)	most likely you had a bad seal and leaked fluid into the booster diaphram area. I would replace the booster and the master cylinder since if you clean it there is no way to tell if the vascules have been damaged. -------------------------------------------- JB gtbrake_man

04-08-2003	#4 (permalink)
okieopel Solo II is fun in a GT! Join Date: Feb 2003 Location: Norman Oklahoma Posts: 171 Classified Rating: 0% (0)	I belive he means the booster diaphragm. He is saying there ain't no way to check if the diaphagm will leak or not. And he suggest that you replace it with a new one. Which is very sound advice. I however simply wiped mine with a clean shop rag (careful not to damage the diaphragm) and slapped it back together.

04-08-2003	#5 (permalink)
jpblanco Opeler Join Date: Dec 2002 Location: miami Posts: 7 Classified Rating: 0% (0)	Vascules are the differential chambers that make up the diaphram. I'm an engineer so I tend to speak a little weird. But in any event, brake fluid eats up the seals and just about everything else inside so you can clean it now and replace it later or, do the job properly and be done with it. I design braking systems for race cars and the Opel is a good candidate for an upgrade if you have a few horses under the hood. JB gtbrake_man

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