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Old 09-19-2007, 09:11 AM
It will too fit!!
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79 Camaro master cylinder leaking

Hi guys, I have a 79 Camaro in the shop (STILL) and was noticing the master cylinder sitting at a backward angle with the car level. Brake fluid was leaking out the backside of the cylinder from under the cover. I changed the cover seal but it's still leaking. That brake fluid is doing nasty things to the metal it touches!
The newer master cyliders (on the 3rd gens) are plastic and seem molded to counter the angle of the brake booster.. Can I use a 3rd gen cylinder on my 2nd gen booster?

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Old 09-19-2007, 12:49 PM
richard stewart 3rd's Avatar
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Try here,
Good luck,
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Old 09-19-2007, 08:56 PM
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Master cylinder leaking

You're saying the master cylinder itself is built at an angle? I think if you were to pull it out and put it in a vice you'd see it's not the master cylinder. The face of the brake booster is at an angle. I don't know why they were designed that way but a lot of GM products were that way for a lot of years and they didn't leak fluid out of the top. Either the master cylinder has the wrong cover on it, you put the new seal on wrong, or there's a defect in the cover or master cylinder sealing surface.
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Old 09-20-2007, 06:33 AM
It will too fit!!
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OK thanks. I noticed its the same setup (master and booster) as my 80 c10, (which is flat mounted on the firewall so the master is level) so I thought it seemed silly to have the fluid constantly at the lid in the rear. OK, I'll try a new seal,
Thanks, Scott
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