maybe it is the booster. The booster is used to pump up the bra

来源: 行者1000 于 2010-10-27 17:50:46 [] [旧帖] [给我悄悄话] 阅读数 : (244 bytes)
回答: 踩刹车时有漏气的声音 由 老车费钱 于 2010-10-26 16:26:06

after you apply it.  When it is broken, the brake padel will be back up after you press it. The gas sound maybe be caused by a leaking booster.

Have it checked out by a repair shop.  They should tell you the root cause.

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