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.
I would try brake master first
所有跟帖:
• You hit the nail on the head. BRAKE MASTER CYLINDER. -fixanycars- ♀ (0 bytes) () 06/01/2010 postreply 20:26:29