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Old 03-21-2010, 12:20 AM
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Diesel911 Diesel911 is offline
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Location: Long Beach,CA
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Quote:
Originally Posted by Skippy View Post
Did I miss something?
I read on this Forum that when you bleed the Brakes by having someone push on the Brake Pedal without runing the Engine you push further in on the Diaphragm in the Brake Booster. It was claimed that this is hard on a 20 something year old Diaphragm.

I guess running the Engine allows the Diaphragm to operate within the normal range of movement when someone steps on the Pedal and it is less prone to being stressed.

Don't know if this is true or not.
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