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Help! 89 master cylinder cant find it anywhere

JOHNNYB

Well-known member
Joined
Mar 14, 2010
Messages
53
Location
BIDDEFORD,ME
Corvette
1989 DARK MET. BLUE COUPE
Hi everyone i am loking for a new brake master and i cant find one from the dealer or any of the parts stores autozone,advance auto, napa,vip,carquest i only found 1 rebuild kit and its $200 online so i was wondering if anyone knows of a better place to get a reman or cheap rebuild kit? Thanks everyone
 
Hi everyone i am loking for a new brake master and i cant find one from the dealer or any of the parts stores autozone,advance auto, napa,vip,carquest i only found 1 rebuild kit and its $200 online so i was wondering if anyone knows of a better place to get a reman or cheap rebuild kit? Thanks everyone

Is it leaking from where the electrical connector/sensor plugs in? If it is I used Quicksteel or something very similar to fix it.
 
Is it leaking from where the electrical connector/sensor plugs in? If it is I used Quicksteel or something very similar to fix it.

That's not fixing it. The way to fix that is to replace the master cylinder.

OP, you can send the master to Cardone and have them rebuild it. Just have to hope your core is rebuildable. Or you can buy a good used one.
 
That's not fixing it. The way to fix that is to replace the master cylinder.

I disagree. Thats like saying if you have a leaky fuel rail, and all you need is a new O-ring, buying a new O-ring is not good enough, you need a whole new fuel rail.

If you can repair a component and it still operates safely and effectively within its intended parameters, why is that not "fixing it"?
 
I disagree. Thats like saying if you have a leaky fuel rail, and all you need is a new O-ring, buying a new O-ring is not good enough, you need a whole new fuel rail.

If you can repair a component and it still operates safely and effectively within its intended parameters, why is that not "fixing it"?

Plugging up a leaking master cylinder isn't fixing it. That's like wraping tape around a leaking brake hose. Or plugging up the weap hole in a leaking water pump. Would that fix the water pump? No.

A master cylinder that is leaking means it is failing i.e. the parts on the inside are wore/wearing out. Just the same as if it is leaking out the back into the booster.

If the master cylinder is leaking, then it needs to be rebuilt and/or replaced. You don't want your master cylinder going out on you at the wrong time.
 
Plugging up a leaking master cylinder isn't fixing it. That's like wraping tape around a leaking brake hose. Or plugging up the weap hole in a leaking water pump. Would that fix the water pump? No.

A master cylinder that is leaking means it is failing i.e. the parts on the inside are wore/wearing out. Just the same as if it is leaking out the back into the booster.

If the master cylinder is leaking, then it needs to be rebuilt and/or replaced. You don't want your master cylinder going out on you at the wrong time.

If you can repair a component and it still operates safely and effectively within its intended parameters, why is that not "fixing it"?

I did not say to ghetto rig it, I said to repair it.

JohnnyB: Did you find your part yet?
 
So, what did you mean by "I disagree" then? Using Quicksteel on a master cylinder to stop a leak isn't fixing it. To that you disagreed with.

I don't even know what Quicksteel is. I was not clear in my first post; my argument is this: Its stupid to go replacing components and needlessly spending money if it can be repaired properly for a fraction of the cost.

If fluid leaking from a master cylinder can be as simple as a half turn on one of the fittings, that doesn't mean it needs to be replaced. It all comes down to proper diagnosis and inspection of said part.
 
I don't even know what Quicksteel is. I was not clear in my first post; my argument is this: Its stupid to go replacing components and needlessly spending money if it can be repaired properly for a fraction of the cost.

If fluid leaking from a master cylinder can be as simple as a half turn on one of the fittings, that doesn't mean it needs to be replaced. It all comes down to proper diagnosis and inspection of said part.

I still don't see why you are even making an argument to me anyways. The master cylinder leaking like English Guy was talking about requires the master cylinder to be rebuilt/replaced in order to fix it.
 
I still don't see why you are even making an argument to me anyways. The master cylinder leaking like English Guy was talking about requires the master cylinder to be rebuilt/replaced in order to fix it.

Oh boy. I'm not arguing, I am simply saying that if it is fixable there is no need to buy a new one.

The OP never specified where the master cylinder was leaking from, or even that it was leaking at all.

I have a bad enough reputation on this forum so I'm not debating this any further for fear of being kicked off.
:beer

To the OP: http://www.zip-corvette.com/GroupDetails/SubGroupResults.aspx?gid={abe8c2a1-b38f-4072-ba89-7082437cd83e}&SearchType=_GROUP_SEARCH&GroupName=Master+Cylinders+%26+Components&
 
I took care of the problem after going over the safety issues with a qualified hydraulic technician and after had it approved by an m.o.t inspector. The cylinder has since passed 8 yearly inspections with no problems whatsoever. The only downsize is you have to visually check fluid level which I used to do anyway as you cannot beat a physical check just in case sensor is inaccurate.
 
Oh boy. I'm not arguing, I am simply saying that if it is fixable there is no need to buy a new one.

The OP never specified where the master cylinder was leaking from, or even that it was leaking at all.

I have a bad enough reputation on this forum so I'm not debating this any further for fear of being kicked off.
:beer

Haha. I had already stated the "fix" in my original post. The only "fix" for that kind of leak is to replace or rebuild the master. There aren't any other options.
 

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