Re: dumb & dumber

[Shannen Durphey <shannen@grolen.com>]

Ok, give me a couple more nights to get to it.  Anything specific
you're wondering about?
Shannen

Swayze wrote:
> 
> 10   ?
> 01   ?
> 00   2nd
> 11   ?
> 
> just curious, when you lookcan you see what is says about pressure control (shift firmness maybe?)
> Swayze
> mswayze@truswood.com
> kswayze@bellsouth.net
> 
> ....................
> 
> > 4L80E has 2 solenoids (a + b) :) to control gear selection, a
> > combination of switches to let the pcm know what gear is selected, and
> > 2 solenoids to engage the tcc(IIRC).  The transmission defaults to
> > second gear operation, with both solenoids off.  To put the trans
> > through gears 1-4, the a + b solenoids are powered on and off in
> > different combinations.  The only mechanical valve body holdovers that
> > I can think of are a couple of accumulators to cushion the shifts.  If
> > enough people are curious, I'll dig out my trans books in the next
> > couple of days.
> > Shannen
> ....................
> 
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