[Shop-talk] Disc brake piston explosion

[John Miller]

On 1/25/2015 7:34 PM, Tim . wrote:
> Any ideas what caused it?
>
> "F350 pick up."
>
> sorry. couldn't resist.

Are they steel pistons?

Ford tried phenolic-resin pistons in several applications a while back, 
and they were notorious for coming apart in heavy use.

But it would surprise me a LOT if Ford went down that road in something 
like an F350.

John.