I would try brake master first

Reason, easy to check out, most likely the cause.

Seal O-ring leak caused internal leak in brake master cylinder is the most common problem.

If it is the brake booster problem, you might hear air leaking sound if you check at very quite mid night.

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You hit the nail on the head. BRAKE MASTER CYLINDER. -fixanycars- 给 fixanycars 发送悄悄话 fixanycars 的博客首页 (0 bytes) () 06/01/2010 postreply 20:26:29

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