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2026-09-12 · 3 min read

How to Check Tyre Tread Depth — Easy Methods Without Tools

Shallow tyre tread dramatically increases braking distance, especially in the rain. Here's how to check with just a coin — and when you need new tyres.

How to Check Tyre Tread Depth — Easy Methods Without Tools

轮胎花纹的作用是排水,让轮胎在湿路面上保持抓地力。花纹磨平后,雨天刹车距离可以增加一倍以上,这是很多事故的根本原因。

马来西亚法定最低花纹深度

马来西亚法律规定轮胎花纹深度最低 1.6mm。

但大多数轮胎专家建议在 3mm 以下就应该考虑更换,因为雨天性能在 3mm 以下开始明显下降。

Puspakom 验车如果花纹不达标,直接不过关。

3种简单检查方法

1. 磨损指示块(Wear Indicator Bar):现代轮胎侧面有个三角形标志(▲),沿这个方向看花纹槽底部,会有一条凸起的小横条。当花纹磨到与这条横条齐平,就是 1.6mm,必须换。

2. 一令吉硬币测试:把一令吉硬币竖着插入花纹槽,如果能看到硬币边缘的文字全部露出,花纹已经很浅,接近需要更换。

3. 深度尺(Tread Depth Gauge):最准确的方法,汽配店有卖,价格不贵。直接测量,读数低于 3mm 就要注意。

花纹磨损不均匀怎么看?

只有中间磨光:轮胎气压过高,中间受力过大。

只有两侧磨光:轮胎气压过低,两侧外缘着地。

只有一侧磨光:四轮定位(wheel alignment)出问题,需要调整。

花纹磨损不均匀不只是轮胎本身的问题,更反映出车辆其他系统的状态。

多久检查一次?

建议每个月检查一次,或每次打气时顺便检查。马来西亚天气热,轮胎老化比寒冷地区快,橡胶出现裂纹也是更换的信号之一。

结论

轮胎花纹检查两分钟的事,可以大幅降低雨天打滑风险。花纹不足来 4M CARCARE 检查,我们帮你评估是否需要更换,也可以做四轮定位确认磨损原因。

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