[DML] Re: Automatic transmission - how to remove computer
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[DML] Re: Automatic transmission - how to remove computer



I will second Mark's assessment. You need to get the light box on the shift computer and see what it is commanding the valve body to do. You could nave a mechanical problem in the valve body. Make sure you have checked the fluid level as per the Workshop Manual. Also make sure the gearshift is adjusted correctly so you really are putting the transmission in D3 when you move the gear shift on the console. Also verify the adjustment on the cable from the throttle to the GC.
David Teitelbaum

--- In dmcnews@xxxxxxxxxxxxxxx, Marc Levy <malevy_nj@...> wrote:
>
> What you describe does not sound like a "computer" issue..  
> There are easy steps to check the operation of the shift controller using some lights to the test pins, I think the document is on the DMCNews web site, but the jist of it is to hook 2 bulbs on the 3 large pins, and drive the car.  1st gear, both lights on.  2nd gear one light off.  3rd gear both lights off.  if the lights change, the controller is working properly, but if the trans is not shifting even though the controller lights change then it is a mechanical problem.
> 
> Some things to check are the line pressure, and vacuum modulator. Is could be some stuck valves too (from sitting so long).  Have you changed flushed and replaced the fluid (beyond what you drained from the pan when changing the controller)?
> 
> 
> 
> 
> --- On Sun, 4/15/12, Doug Menkhaus <dmenkhaus@...> wrote:
> 
> > From: Doug Menkhaus <dmenkhaus@...>
> > Subject: RE: [DML] Automatic transmission - how to remove computer
> > To: dmcnews@xxxxxxxxxxxxxxx
> > Date: Sunday, April 15, 2012, 10:33 PM
> > Thanks John.  I'm thinking about
> > the $150 option you emailed me last week.
> > I got a complete trans computer assembly from a local source
> > and honestly it
> > looked darn near NOS. 
> > 
> >  
> > 
> > My trans is shifting like a truck. My car has been sleeping
> > for 25 years.
> > 
> >  
> > 
> > It won't shift out of 1st until about 35 mph, then slams
> > into 2nd, and never
> > gets to 3rd, save for one time, and when I let off the gas,
> > it's quickly
> > downshifted to 2nd.  If I drive around 25 mph, and let
> > off the gas, the
> > trans freewheels. If I give it gas, the trans catches up to
> > to the engine
> > speed, and eventually, if I go fast enough, it shifts into
> > 2nd.
> > 
> >  
> > 
> > I swapped the borrowed computer today, and much to my
> > demise, it behaved
> > pretty much the same as the first one.  (not exactly,
> > but close)  I still
> > can't get 3rd gear.
> > 
> >  
> > 
> > I think I pretty much swapped my bad computer for another
> > bad computer.
> > 
> >  
> > 
> > So, can I send you my core I just removed and go from
> > there?  I think you
> > said it was $150 + shipping.
> > 
> >  
> > 
> > I would like to try to get this swapped as soon as
> > possible.  There is a May
> > 12th meet in Indianapolis I'd like to be at if
> > possible.  Thanks for your
> > help today!
> > 
> >  
> > 
> > Doug
> > 
> >  
> > 
> >  
> > 
> > From: dmcnews@xxxxxxxxxxxxxxx
> > [mailto:dmcnews@xxxxxxxxxxxxxxx]
> > On Behalf Of
> > John Hervey
> > Sent: Sunday, April 15, 2012 4:36 PM
> > To: dmcnews@xxxxxxxxxxxxxxx
> > Subject: RE: [DML] Automatic transmission - how to remove
> > computer
> > 
> >  
> > 
> >   
> > 
> > Doug, The units I sell you don't have to remove the old
> > governor and there
> > is no core exchange and I have never had a problem.
> > John Hervey
> > www.spedcialtauto.com
> > 
> > -----Original Message-----
> > From: dmcnews@xxxxxxxxxxxxxxx
> > <mailto:dmcnews%40yahoogroups.com>
> > [mailto:dmcnews@xxxxxxxxxxxxxxx
> > <mailto:dmcnews%40yahoogroups.com> ] On
> > Behalf Of
> > dmenkhaus@...
> > <mailto:dmenkhaus%40fuse.net> 
> > Sent: Sunday, April 15, 2012 1:18 PM
> > To: dmcnews@xxxxxxxxxxxxxxx
> > <mailto:dmcnews%40yahoogroups.com> 
> > Subject: [DML] Automatic transmission - how to remove
> > computer
> > 
> > Trying to replace the automatic transmission computer
> > (entire assembly) to
> > fix my shifting issue. Got the big parts on the right
> > (passenger) side of
> > the trans off, no probelm. Cannot figure out how the wire
> > that goes int the
> > rear on the drivers side comes out. Looking at the new one,
> > it looks like a
> > simple counter-clockwise twist and pull, but although I can
> > twist it easily
> > enough, I cannot pull it out...
> > 
> > What am I missing?
> > 
> > TIA
> > 
> > Doogie
> > 
> > ------------------------------------
> > 
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> > 
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> > 
> > To search the archives or view files, log in at
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> > 
> > -----
> > No virus found in this message.
> > Checked by AVG - www.avg.com
> > Version: 2012.0.1913 / Virus Database: 2411/4938 - Release
> > Date: 04/15/12
> > 
> > 
> > 
> > 
> > 
> > [Non-text portions of this message have been removed]
> > 
> > 
> > 
> > ------------------------------------
> > 
> > To address comments privately to the moderating team, please
> > address:
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> > 
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> > 
> > 
> >     dmcnews-fullfeatured@xxxxxxxxxxxxxxx
> > 
> >
>




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