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Old 07-29-2020, 12:11 AM
KCM KCM is offline
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Join Date: Jan 2004
Posts: 645
Had the same problem a couple years ago. If you check the vacuum while pressing the pedal you will likely see the vacuum drop way down due to the valving in the booster. Mine had leaked brake fluid into the booster over the years and likely contributed to diaphragm deterioration. Luckily I bought a new booster on Ebay many, many years ago for little money. Really never thought I would need it but turns out I did. Not much for brakes when the vacuum pump or booster fails. FYI, the booster part number is 000 430 75 30.
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