It sounds your brake is soft, not hard. 如果踩刹車有海棉樣的感覺, 可以試 bleeding. there may be air in the system. It is not related to booster aging.
It sounds your brake is soft, not hard. 如果踩刹車有海棉樣的感覺, 可以試 bleeding. there may be air in the system. It is not related to booster aging.