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Old 03-13-2011, 09:20 PM   #1
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Spongy brakes

Need some help!
I bought a 1976 cj5, first thing I checked was the brakes. Spongy! Replaced the wheel cylinders(2) in rear, new shoes, new hubs, also replaced master cylinder and prop valve. New lines also. That pretty much covers it. But it's still spongy! Don't know what else to do?! I read someones thread about adjusting the " secondary brake link". What is this? Need some input.
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Old 03-13-2011, 10:36 PM   #2
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You could try replacing the soft lines with braided stainless steel lines.

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Old 03-13-2011, 10:51 PM   #3
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Mine are spongy too on the 87 I recently acquired. I figured they just need bled but haven't gotten that far yet to find out.
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Old 07-22-2011, 11:09 AM   #4
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did you bench bleed your master cylinder before you put it on? that could cause it. Now, if you didnt, no need to take it all back apart, just bleed the brakes, the spongy feeling your getting is air in the system. Replacing the master cylinder, wheel cylinders, introduces a lot of air in the system.
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Old 10-02-2011, 11:56 AM   #5
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There is a valve with a push button on some of the prop valves that you sometimes need to push to get a proper bleed.
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