Thread: Low speed braking
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Old 07-11-2023, 09:14 AM
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andrewwynn andrewwynn is offline
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If the brake booster "whooshes" air that suggests a vacuum leak in the diaphragm side past the valve associated with the brake.

Run the car to build vacuum, turn off the car and have somebody else press the brake while your are under the hood listening to the brake booster to figure out where the air whoosh is coming from.
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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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