如题，刚去给轮胎打气，偶然间发现有个突起，而且这个轮胎也加了最多的气，问下需要找个4S店看下换个轮胎吗？
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恕我眼拙没看出来楼主能圈一下吗。。。。。
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换吧，爆胎的几率增加了好多，命总比钱重要。实在不想换，也要把轮胎移到后轮，前轮爆胎会很容易翻车的。
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本坛上次好像有个教学帖 后路爆胎比前路危害大多了
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。。。。下次认真看视频，那个是说后胎抓地力不足危害更大，爆胎永远是前胎更严重
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是吗？我知道是前轮除了支持车身，还要提供动力（后驱不包括）又要控制行车的方向，后轮只是支持车身而已。你说的那个帖子能给个链接吗？
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你看的不是同一个帖子吧
重要事情说三遍：
如果只换两个轮胎的话，
新胎放后轴！
新胎放后轴！
新胎放后轴!
这是米其林固特异等轮胎公司、Allstate等保险公司、DiscountTire等轮胎商店、Consumer Reports等媒体一致推荐的做法。
米其林：Mixing Tires
“When replacing two new tires instead of four, be sure that your new tires are the same size and tire type as your current tires, and that your dealer always installs the new tires on the rear axle of your vehicle.”
“当只更换两个新轮胎时，请确认新胎是与当前轮胎是一样的大小和型号，并且确认新胎是装在车的后轴上。”
米其林还制作了一个短片，比较前轮用旧胎和后轮用旧胎时，车辆在极限工况下的稳定性（就在链接中）。
固特异：Care FAQs
“When radial tires are used with bias or bias belted tires on the same car, the radials must always be placed on the rear axle. Never mix radial and bias-ply tires on the same axle. When you select a pair of replacement tires in the same size and construction as those on the car, we recommend you put them on the rear axle. A single new tire should be paired on the rear axle with the tire having the most tread depth of the other three.”
“……我们建议你把它们（一对新胎）放在后轴。而单个新胎则应该与剩下三个旧胎里最新的那一个配对，放在后轴。”
Consumer Reports：With tires, baldness is not an attractive sight
AllState: New Tires To The Rear
这些机构一般就是引用轮胎厂商的话，但毫无疑问新胎放后轴是业界的共识。我还从来没听说过哪个专业机构（路边修车铺子除外）建议过新胎装前轴上的。
为什么？
简单说，在工程上，保证车辆的稳定性永远比保证车辆的转向能力要重要。前轮出问题（不仅仅指爆胎这种极端情况，还可能是由于在雨天之类的碰到磨损过度导致摩擦力不足等等），只是转不了向而已，车辆不会失稳；后轮出问题，最严重的后果（最严重，但不是一定会发生）是车辆失稳，打转。
最后，爆胎是比较特殊的情况，到底前轴爆还是后轴爆危险，我还无法回答。轮胎厂商一般都不太谈这么“敏感”的问题。不过，这里有一篇分析爆胎事故的论文，Tire Blow-Outs and Motorway Accidents 。文中的结论依旧是“Consequently, users are strongly recommended to install the best tires on rear wheels.” “强烈建议用户把最好的轮胎放后轮。”
这事儿比较重要，大家还是相信一下米其林之类专业的轮胎厂家的话比较好。
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对，你那个说的是抓地力，这里说的是爆胎是两码事。
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侧面坏了要换掉
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必须换
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你看我贴的最后啊 讨论爆胎的也建议新轮胎放后轮
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一个不知道什么时候会爆的炸弹，安全驾车生命第一！建议楼主还是换了吧
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换吧，安全永远是最重要的
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Message:
Paxton,
Thanks for writing. Unfortunately, with the looming Firestone recall, these kind of questions are on lots of people's minds. First off, let me say, if you ever question if a tire (or any part of your vehicle for that matter) is road-worthy or safe, please get it checked out by a professional. Don't try working around a problem, or moving a bad tire to a less dangerous position. Your life is worth much more than the cost of repairing your car.
That said, let me answer your question. I would have to say that a front tire blowout can be much more dangerous than a rear tire. Here's the reason why: when a tire blows, it will very likely apply a sideways force on your vehicle at the point where the tire blew out. While a sideways force at the rear of the vehicle has greater potential to cause stability problems, a force at the front of the vehicle has an additional, and greater, risk. Your front tires are your steering tires. Not only does this mean you suddenly have half the amount of tires for steering that you had a second ago, but the force could cause a strong jerk in the steering wheel causing you to steer yourself off the road, into another car, or turn so sharply that the vehicle rolls over.
Here are a couple of websites that discuss what to do in case of a tire blow out or other on-the-road emergencies.
CCJ's July 1996 Safety Column
Automotive Emergencies
The basic advice for a tire blow out is not to slam on the brakes, but rather regain control of the vehilce, then slow down gradually. Hope that answers your question.
Your Mad Scientist
Mike Scannell
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相对来说我更怕前轮的，因为我后轮爆过一次。 因为爆胎是出乎意料的，怕的就是前轮爆的那一下方向盘自己jerk to one side，这样驾驶员很容易Panic，后面控制方法就容易出错，比如大力反方向想把车带回来之类的。
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谢谢大家踊跃专业给建议，下周就去换。PS：请问下大家知道大概多少钱吗？在布里斯班这边，大众golf，这个就是在后轮，另外如果换的话是不是两条都得换？
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侧面得换！！！
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小车轮胎便宜的60.70块而已。
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非常感谢大家的回答，感动的眼泪哗哗滴～
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不能一一加分了，给前三个加吧，再次谢谢大家
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鼓包了，楼主好眼力啊
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换
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鼓包必换。
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安全第一换了吧
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上次在Costco换的轮胎也是后面的也是高尔夫，170好像
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Bob Jane T Mart 看看去，有时有买3送1。多花一条胎的钱，索性全换了。
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