> -----Original Message-----
> From: Of Terrible Tom
>
> Ray Block wrote:
>
> >
> >
> >>-----Original Message-----
> >>From: jon@dakota-truck.net
> >>
> >>Terrible Tom <silvereightynine@aol.com> wrote:
> >>
> >>
> >>>Ok - I need some edyewkayshun here.
> >>
> >>>My understanding is that the trans kickdown lever should move in tandem
> >>
> >>with the throttle
> >>
> >>>linkage. Trying to figure out where everything should be in relation to
> >>
> >>eachother Question.
> >>
> >>>should the starting points be:
> >>
> >>>Engine throttle @ closed
> >>
> >>>Kickdown lever on trans @ normal returned position
> >>
> >>>???
> >>
> >>>Or should the throttle be different from the trans - say at 10%
> throttle
> >>
> >>and the kickdown lever
> >>
> >>>at normal resting position?
> >>
> >
> >
> > First...to answer Tom's question, at idle/closed throttle, the kickdown
> > lever on the trans should be in it's normal returned position, usually
> aided
> > by a spring on the lever.
> >
> >
> >> The FSM may have a detailed procedure for this, but generally
> >>speaking, it is my understanding that a kickdown lever/cable should be
> >>adjusted such that the kickdown lever on the trans is fully engaged at
> >>the exact point where the throttle butterflies are at WOT. (If the
> >>kickdown is adjusted to come in any sooner than that, the kickdown
> >>will stop before WOT and may prevent the butterflies from fully
> >>opening. Any later than that, and the trans will never see full
> >>kickdown.
> >
> >
> >
> > You are basically correct on the WOT settings, Jon! The kickdown lever
> > will be in the full rearward position at WOT. If it gets there before
> WOT
> > the throttle may not open fully, plus you would get fairly high rpm part
> > throttle shifts and perhaps harsh low speed downshifts.
> >
> > I adjust mine by blocking the throttle wide open, then adjusting the TV
> > (kickdown) cable until the lever on the trans just barely touches it's
> WOT
> > stop.
> >
> >
> >> The issue with the kickdown preventing WOT may or may not apply on
> >>a cable operated kickdown.
> >
> >
> > It does. Ask me how I know. lol
> >
> > My only reference point for trans kickdown
> >
> >>is the older style kickdown which used a solid lever.
> >
> >
> > The cable on late model trucks functions essentially the same...at least
> the
> > "RH" trans. Have no personal experience with the "RE" versions.
> >
> > Ray
> >
> >
>
> Heh heh heh... this clarifies an issue that was holding up a certain
> decision I had to make.
> Thank you very much, gentelmen... *cracks knuckles* thats exactly the
> information I was
> looking for.
>
While I'm afraid to ask what you're up to Tom, if you are dealing with a
hydraulic (i.e. RH) trans, and you get your kickdown set correctly but still
don't have WOT or part throttle upshifts where you'd like them....I have
solutions for those too. :)
Ray
This archive was generated by hypermail 2b29 : Sat Aug 01 2009 - 00:31:46 EDT