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  • bearofbleecker bearofbleecker Feb 2, 2010 10:27 AM Flag

    What's that accelerator pedal made out of?

    Yep, just saw the drawings in the NYT -it's plastic. And the friction mechanism seems to be a metal piece with teeth which press against grooves in the hub of the plastic piece as it rotates. Toyota says "excessive pressure" was created at certain points, causing the pedal to hang up. So they put a washer behind the tensioning spring which causes the metal piece to press more lightly against the plastic piece. I'll bet that rather than "excessive pressure", the metal piece was eroding the plastic piece. And I'll bet that when they stick that washer in there, a lot of accelerator pedals will respond rather more quickly to foot pressure. Consumer Reports or some of the auto mags are going to look at this solution, I'll bet, and find it pretty shoddy. Eventually, they will have to replace all the pedal assemblies. Which, according to a lot of the media, may not be the real problem after all.

 
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