brake booster costs more but check valve is cheap. if check valv

来源: fixanycars 于 2009-11-20 10:25:36 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (269 bytes)

brake booster costs more but check valve is cheap. if check valve is bad when you depress down gas deeply then brake, you will encounter hard brake pedal because there is not enough vacuum in the booster. you need replace the valve first and see what change after that.

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