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Thread: Brake booster
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Old 01-02-2009, 03:40 PM
sunsetdart sunsetdart is offline
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You didnt say if they are power brakes. If they are, then you may have a crack in the vacuum hose that goes to the manifold, so when you apply the brakes, the crack allows vacuum out of manifold. Thats why the RPM's go up.
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