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Old 08-25-2017, 04:57 PM   #4
Cadillac Kid
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Join Date: Jun 2016
Location: Redondo Beach, CA
Posts: 72
Re: Two failed brake boosters, can you recomend a third?

It's definitely the booster. Whether the master cylinder is full of fluid or full of air, the booster push rod should have some resistance to it and it should return by itself. Right now I can move the booster push-rod in and out about six inches with my pinky finger, and the push-rod has zero resistance.
Once the pedal does bottom on the floor I can hear metallic cracking noises inside the booster.
Keep on truckin'
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