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Re: brake bleeding, best way??? 200 84

/// There is an SAE paper on brake bleeding that says to disconnect the "wheel cylinders" before flushing old brake systems to avoid sediment being pushed in to the new parts. I think the last date on that paper was 75? 77? This has come up before.

Remember that air bleeds from the top and fluid from the bottom of the caliper. Any thing that flushes into a caliper stays there. There have been posts for older cars that recommend denatured alcohol as a flush for old brakes. If the system has been flushed at two year intervals that should not be necessary.

I only use DOT 4 fluid to flush. I blow out the system with air if there has been a problem. They start empty at the factory.

Your power bleeding system should be able to handle the empty system. Just start with everything closed tight.






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