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Old Aug 17, 2008 | 02:40 PM
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St. Jude Donor '10
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a chrome master cylinder cover. didnt change the gasket from the old. now my brake pedal seems to be softer going more to the floor and the old gasket seems to be leaking. question is do i now have to change just the gasket or is there air in my system from the leak or from when i installed the chrome cover????? need help and advice t.i.a.

Last edited by 79 vette head; Aug 17, 2008 at 02:42 PM. Reason: miss spelled words
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Old Aug 17, 2008 | 04:03 PM
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ttt
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Old Aug 17, 2008 | 04:21 PM
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Did your cover come with replacement clamps? I found one that I had ordered had clamps that were not tight enough. Ordered a different one, and they were correct. If the clamps don't go on with a good bit of effort, they're probably too big.

If your old gasket had been there for several years, it's probably a good idea to replace it if the clamps are tight and it still leaks.

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Old Aug 17, 2008 | 05:27 PM
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yes the clamps were tight to go on. so what your saying is to just change the gasket??
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Old Aug 17, 2008 | 08:27 PM
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ttt
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Old Aug 17, 2008 | 08:42 PM
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Change the gasket to fix the leak.The soft pedal is a separate issue it didnt happen because you changed the lid.
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Old Aug 17, 2008 | 08:46 PM
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thanks DWncchs
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Old Aug 17, 2008 | 09:25 PM
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Changing the M/C cover didn't cause the brake problem. Change the gasket and see what happens, but it may be just that the brake problem started [coincidentally] at the same time. P.S. there does need to be a vent-path in the cover {or gasket} to allow air in and out of the M/C during operation.
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Old Aug 17, 2008 | 10:17 PM
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A friend got a chrome MC cover off ebay and it simply didn't fit. The bend around the back of it was too severe and it would hang up on the back of the master rather than sealing at the gasket. Leaked bad.
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