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Much more brake dusts front wheels than rear ones

The front brakes do most of the work when stopping the vehicle, which is why the front brakes are always larger than the rears. Cars that I own that are more performance oriented tend to create considerably more brake dust on the front wheels. Teslas use their mechanical brakes less often than conventional cars in casual driving, but still are necessary when more brake force is required to slow the X than the re-generative system can provide.
 
I will say that the brake dust on my Model S surprised me. In the three years of owning a Chevy Volt prior to my Model S, I had practically no brake dust on the wheels. I was really surprised when within a few months of Model S ownership, the front wheels were coated.

As for why the fronts have more dust than the rears, that is just physics. If you drove everywhere in reverse, you would notice more dust on the rear wheels. Also a reason why the rear brakes tend to last longer.
 

ngng

Active Member
Jul 23, 2018
1,514
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Bay Area
I will say that the brake dust on my Model S surprised me. In the three years of owning a Chevy Volt prior to my Model S, I had practically no brake dust on the wheels. I was really surprised when within a few months of Model S ownership, the front wheels were coated.

As for why the fronts have more dust than the rears, that is just physics. If you drove everywhere in reverse, you would notice more dust on the rear wheels. Also a reason why the rear brakes tend to last longer.

re: the 2nd part. that's not true. brake systems are forward biased, so if you drove everywhere in reverse you would still have the same amount of dust in the same location. you're just more likely to lock up the brakes.
 

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