You should check the engine carefully, renewing any parts that are worn or damaged.你应该仔细检查一下引擎，把已经磨损或损坏的部件更换下来。Drivers could be in for a nasty shock when they see the cost of renewing their insurance policies.看到续签保险单的大笔费用，司机们都会吓一大跳。A lot of the cost of maintenance went into renewing brakes.很多的维修费用都花在了更换煞车方面。