推荐回答（2个）
时令已步入立冬，车主朋友该给爱车做入冬前的保养了。有不少朋友因工作繁忙而忽略了这项工作。，北京冬冷夏热，如果入冬时不做相应的保养，就像人在冬天穿裙子一样容易受凉。而且，只要一个冬天下来汽车内部就会产生十分严重的磨损，相当于正常良好保养下多跑几年的磨损量。既然保养这么重要，该如何进行保养呢——
防冻液中加过水后必换
目前大部分车辆使用的是防冻液，如果您的发动机冷却系统内仍然是水，建议您更换成防冻液；如果已经是防冻液的车辆，应检查防冻液的结冰温度，一般防冻液的冰点为－35℃以下，如果低于－20℃请一定要更换。据悉，北京历史的最低温度为零下20℃。防冻液的正确使用寿命为2年，达到此年限的请予以更换，以确保发动机的冷却和防冻效果。
加注防冻液前一定要对发动机冷却系统进行一次认真的清洗，因为防冻液中加有除垢剂和清洗剂，使用前如果没有对发动机冷却系统进行清洗，应使用10％的烧碱水溶液浸泡水箱一个小时，再将冲洗液排放，然后用软化水反复冲洗2－3次，以清除发动机冷却系统中原积存的水垢，冲洗完后才能加注防冻液。
温馨提示：为爱车换防冻液时，一定要查看包装上的厂名、厂址、电话、生产日期、冰点、沸点等项目。正规产品标注齐全、字迹清晰；伪劣产品字迹模糊容易擦掉，而且包装标识内外不符或标注不全。另外，还要特别注意查看防冻液的牌号，即冰点值，北京地区可选用－35至－50号。
润滑油更换为冬季标号
鉴于北京的道路状况和气候的因素，机油应每5000公里更换一次。有些车辆在春季保养时更换的是夏季机油，冬季则应更换为同种级别的防冻机油。北京地区机油的粘度一般选用SAE10W－30的级别，适用温度可达－18℃，如果车辆需要在寒冷的地区行驶，建议更换SAE5W－40的高级别机油。机油的质量级别和粘度指标的选用是否合理，将直接影响发动机在冬季的启动和行驶性能，对车辆的维护起着重要的作用。品牌不同，但种类和粘度完全相同的润滑油一般不能互混使用。虽然两种油的种类和粘度完全相同，但二者的化学组成不一定相同。
温馨提示：有些最新型的发动机为降低油耗和排放，通常要求使用低粘度级别的油品，如四季均使用5W－20或5W－30，这需要参见车辆使用保养手册，手册中没有明确要求常年使用低粘度机油的，必须按环境温度穴即季节雪选择油品。
电瓶在良好状态下工作
冬季受温度的影响，发动机在凉车时往往启动困难，需要多打几次马达才能着车。此时电瓶需要在良好的状态下工作，否则会因电瓶电量的过度消耗造成发动机难以启动。
温馨提示：冬季是电瓶的易损期，尤其注意初冬的雨雪不要流进电瓶内以防电瓶受损
您好，看下是不是其他地方漏油印到节温器盖上了，如气门室盖垫，不排除水里有机油的情况，打开水箱盖看下水箱里有没有机油，如有帮助望采纳，有不明请登陆汽车大师找我汽车问题找汽车大师
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