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Old 07-22-2007, 07:14 AM   #3
mnunn454
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Join Date: Dec 2006
Location: Rhode Island
Posts: 602
Re: No brake pressure when engine is running?

Only 4 things I think it can be is air in the lines, spongy/soft rubber brake lines, master cylinder or booster.

Since the only thing you've touched recently is brake lines, I suspect you still have some air in the lines.
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