Re: Overdrive hung till shutdown

From: fawcett@uism.bu.edu
Date: Fri Aug 28 1998 - 11:52:15 EDT


     I haven't flipped through my owners manual lately, but I swear it
     specifically mentions disengaging the O/D when driving through steep
     grades... I don't think they ment you should pull over, stop, and
     then disengage the system. What gives?
     
     T.
     
     
> At 07:15 AM 8/27/98 , you wrote:
> >Mike,
> >
> >Do not disengage the OD while you are
     driving.............................You
> >will fry it!
> >
> >Gene
> >
>
> OK, I asked about this a while back and everybody who responded said
     they
> do it all the time and it doesn't hurt anything. So who's right (I
     know you
> are Gene, but I just hate to get conflicting answers to the same
     question)
>
     
        I don't remember the previous discussion (I usually skip over the
     A/T
     specific info since I have a 5-speed), but, just looking at this from
     a
     "common sense" type perspective, it seems to me that if turning off OD
     while you're driving would hurt anything, they would have designed it
     so
     you couldn't disengage it while driving. Most of our trucks
     (certainly all
     of the late model ones) have an electronic speed sensor input to the
     PCM. As
     far as I know (which isn't much ;-) , the OD button is electrical, not
     mechanical, so it would be a very simple matter to not allow the OD to
     be
     turned off while you're driving. I could be wrong; I don't know much
     about trannies, and even less about automatic ones. :-)
     
     
                                                   -Jon-



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