汽车跑偏吃胎

2025-03-04 06:25:02
推荐回答(4个)
回答1:

车要跑得快,当然前提是它得直着跑。不知道有多少车主关心过自己爱车的行进轨迹,刨去路不平不算,一般汽车在坦荡的直路上走个1000米,最大的偏差也应控制在四五米以内才算正常。超出这个指标的劝您还是到专业维修站做个全面检测,因为跑偏容易引发多种危险,后果绝对不容忽视。

■原因

印象中只要汽车跑偏,大部分司机就会认为是该做四轮定位了,其实不然,造成跑偏的原因很多,轮胎的气压不足会跑偏、胎面花纹磨损的程度不一样会跑偏、悬挂系统设计有问题或悬挂受伤、变形、移位等等……都会发生跑偏,总之引发跑偏的原因很多,但四轮定位就像头疼都按感冒治是一样的道理,所有的跑偏现象也绝不是仅靠做个四轮定位或动个平衡就能解决的。

一般来说问题会主要集中在轮胎和悬挂上。

■轮胎

可先检查厂方给出的额定胎压,家用轿车大多设定在2.0bar至2.5bar之间,前后轮的压力值也各有不同,如果胎压不等必定会导致跑偏;为了更好的使用轮胎,每两万公里应调换一下轮胎的位置,因为驱动轮的磨损程度总是会比其他的轮子大,不同的磨擦力也会直接引发跑偏。

正确更换的方法是前、后轮成对儿同时前后对调,不能交叉对角线前后对调;如果需要换新胎应更换同一品牌、同一花纹的轮胎,而且四条胎最好是同时更换;另一个比较常见的原因就可能是四轮定位不准。前轮的外倾角、主销角度不正确,或前束角度太小等也都会造成跑偏。避免的方法就是平时少上马路牙子,过大坑时减点速,只要是正常驾驶一般一两年也不用做回四轮定位。但如果有了状况就必须到专业维修站进行检测,一些小的检测点虽收费便宜,但调整不准,用不了多久后就又会复发。

■悬挂

正常情 况下新车由于悬挂系统故障,造成跑偏的概率很低,因为出厂前的车辆都已经过厂家的严格检测和调整。但也不排除原厂设计就有问题的,比如悬架的导向杆和转向系拉杆的运动干涉就会影响车辆跑偏。前者是由于制造、调整时产生误差造成的,后者就是由于原厂设计造成的,且后者多是造成向右跑偏。

对于旧车跑偏的理由就更多了,除了上述情况外,车架变形、前轴移位、有负前束及垂臂、两前钢板弹簧弹片不一样,还有横、直拉杆球头销松旷等都会造成跑偏,所以对于旧车还要具体情况具体分析。如果是在制动时跑偏现象加剧,那就要着重检查一下制动系,因为左右两侧车轮的制动力不等也会导致跑偏。首先要目测前轮的刹车盘片上有无油污、水湿或硬化等情况;在刹车盘和片都正常的情况下检查各制动分泵有无漏油、制动钳固定支板是否松动、摩擦片有无回位不顺等现象。

其次,转向系的好坏也将影响到汽车的直线行驶。各连接件因磨损间隙过大或轴承、主销、衬套磨损造成松动,将引起汽车在行驶中摆头,不能保持正常的运动轨迹。如果是转向节臂、转向节弯曲变形,一般会引起汽车单向跑偏。最严重的是横直拉杆球头严重磨损后松脱,将造成转向失灵,到时汽车将完全失去控制。

■危害

跑偏轻则造成啃胎、轮胎报废,重则引发爆胎、车辆失控等危险状况的发生。据调查,对于普通的家庭轿车而言,在150km/h下发生爆胎后生还的概率还不到20%;跑偏虽不是那种立马就能让车抛锚的毛病,但长期驾驶跑偏的车辆还是存在诸多隐患的,所以再次奉劝车主还是应当有病尽早医

回答2:

吃胎不外乎有3个原因,一是倾角 2是轮距。3就是前束汽车跑偏不能够用方向盘去判断,如果这上边的三个条件都没有问题 就不会有什么大的影响

回答3:

你再换个地方做定位,倾角有问题不。我们有很多事故车羊角变形时看不出来的

回答4:

修车不求人:车辆跑偏吃胎,通常就是这6种原因,学到了!

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