Sounds about right to me. Nailing the brakes then hitting a big puddle is also
a recipie for disaster.
Overtorquing the wheels can also cause warping.
Poor materials can also cause warping.
WOT or waiting at a Red wrote:
> Before you read this and flame me for being an idiot, I want you to remember
> that this information from someone else and I am passing it along just in
> case there is something worth wile to consider here.
>
> According to my Mechanical Engineer friend, who studied this problem in
> industrial rotor based breaking systems, the warp can often be avoided.
>
> After hard breaking the whole rotor is hot and while the break holds the
> rotor, the surface under the break pad cools much slower then the rest of
> the rotor. This is one major reason rotors warp.
>
> If after you stop, you put the gears in neutral and release the stopping
> pads, problem gone.
>
> He also suggested not washing the truck for 20 min or so after getting home.
> The water spray hits the rotor everywhere but under the pad and cools those
> surfaces faster, warpage again.
>
> I asked about car washes and he said, the wheel is rolling and the whole
> rotor get wet and cools evenly.
>
> I don't know if this is good info or not. It sounds plausible to me. I'm
> going to try to follow his suggestions next set of rotors, soon I hope as
> the OEM ones are CRAP!
>
> This mail list has gotten really nasty lately and I hesitate to post here
> any more. Do as you will with this info, keep your flames to yourself.
>
> Patrick O'Day
> 2000 Dakota 4x4, 4.7L, CC
> Profile at www.dakota-truck.net/profiles/dakota/Cy9WFjn1QtCYw/profile.htm
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