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Help, Desperate - Stuck auto trans shifter

 
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notbob

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Since: Sep 14, 2003
Posts: 34



(Msg. 1) Posted: Mon Dec 01, 2008 5:25 pm
Post subject: Help, Desperate - Stuck auto trans shifter
Archived from groups: alt>trucks>ford (more info?)

I have a '91 E150 Ford van /w 4.9L fuel injected 6-cyl and auto trans w/
overdrive. I just replaced starter and am bypassing the key starter switch
on the steering column because the little nylon rack/pinion gear stripped.
I'm only bypassing the starter circuit (hot to starter relay), not the keyed
power on/off circuits, which still work ok ...or so I believe. Anyway,
after much hassle, I got the new starter motor in and got the van started.
Now, Shift lever is stuck in park and I have absolutely no idea why. I can
see whole linkage from inside van (eng cowling off) and it all jiggles
around, but will not budge out of Park. WTF!?

There were no problems with it before. Van runs great. Now it's a brick
and I can't go anywhere. Is there some sort of interlock that locks shift
into Park? If so, can I disable or bypass it?

notbob ....completely baffled.

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Ulysses

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Since: Dec 01, 2008
Posts: 1



(Msg. 2) Posted: Mon Dec 01, 2008 5:31 pm
Post subject: Re: Help, Desperate - Stuck auto trans shifter [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Dec 1, 2:08 pm, notbob <not....RemoveThis@nothome.com> wrote:
> I have a '91 E150 Ford van /w 4.9L fuel injected 6-cyl and auto trans w/
> overdrive.  I just replaced starter and am bypassing the key starter switch
> on the steering column because the little nylon rack/pinion gear stripped..
> I'm only bypassing the starter circuit (hot to starter relay), not the keyed
> power on/off circuits, which still work ok ...or so I believe.  Anyway,
> after much hassle, I got the new starter motor in and got the van started..
> Now, Shift lever is stuck in park and I have absolutely no idea why.  I can
> see whole linkage from inside van (eng cowling off) and it all jiggles
> around, but will not budge out of Park.  WTF!?
>
> There were no problems with it before.  Van runs great.  Now it's a brick
> and I can't go anywhere.  Is there some sort of interlock that locks shift
> into Park?  If so, can I disable or bypass it?
>
> notbob  ....completely baffled.

Not sure about the '91 E150 but my '97 Explorer has a selenoid that
locks the shift lever into Park if the brake lights burn out or if the
brake switch is bad. I think I was able to overide it by turning the
ignition key almost to the Run position, but not to Start and then
shifted to Neutral and then started the engine. Bottom line is to
check the fuse for the selenoid, the brake lights, and the brake
switch. I'm not quite sure what you are bypassing but you might not
be deactivating the selenoid, assuming you have one.

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nonelson

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Since: Nov 12, 2004
Posts: 792



(Msg. 3) Posted: Tue Dec 02, 2008 8:23 am
Post subject: Re: Help, Desperate - Stuck auto trans shifter [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <slrngj8o2n.33i.notbob.DeleteThis@bb.nothome.com>,
notbob <notbob.DeleteThis@nothome.com> wrote:

> I have a '91 E150 Ford van /w 4.9L fuel injected 6-cyl and auto trans w/
> overdrive. I just replaced starter and am bypassing the key starter switch
> on the steering column because the little nylon rack/pinion gear stripped.
> I'm only bypassing the starter circuit (hot to starter relay), not the keyed
> power on/off circuits, which still work ok ...or so I believe. Anyway,
> after much hassle, I got the new starter motor in and got the van started.
> Now, Shift lever is stuck in park and I have absolutely no idea why. I can
> see whole linkage from inside van (eng cowling off) and it all jiggles
> around, but will not budge out of Park. WTF!?
>
> There were no problems with it before. Van runs great. Now it's a brick
> and I can't go anywhere. Is there some sort of interlock that locks shift
> into Park? If so, can I disable or bypass it?
>
> notbob ....completely baffled.

Do your brake lights work?
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lugnut

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Since: Mar 02, 2007
Posts: 129



(Msg. 4) Posted: Tue Dec 02, 2008 12:26 pm
Post subject: Re: Help, Desperate - Stuck auto trans shifter [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Mon, 01 Dec 2008 22:08:23 GMT, notbob <notbob.RemoveThis@nothome.com> wrote:

>I have a '91 E150 Ford van /w 4.9L fuel injected 6-cyl and auto trans w/
>overdrive. I just replaced starter and am bypassing the key starter switch
>on the steering column because the little nylon rack/pinion gear stripped.
>I'm only bypassing the starter circuit (hot to starter relay), not the keyed
>power on/off circuits, which still work ok ...or so I believe. Anyway,
>after much hassle, I got the new starter motor in and got the van started.
>Now, Shift lever is stuck in park and I have absolutely no idea why. I can
>see whole linkage from inside van (eng cowling off) and it all jiggles
>around, but will not budge out of Park. WTF!?
>
>There were no problems with it before. Van runs great. Now it's a brick
>and I can't go anywhere. Is there some sort of interlock that locks shift
>into Park? If so, can I disable or bypass it?
>
>notbob ....completely baffled.


Your problem is the little stripped gear in the switch lock. It mechanically
locks the lever in Park until it is rotated forward. The only fix is a new gear
which is not terribly expensive or take the column down to where you can
disconnect the linkage. The '91 did not have the brake pedal interlock.

Lugnut
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notbob

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Since: Sep 14, 2003
Posts: 34



(Msg. 5) Posted: Tue Dec 02, 2008 5:25 pm
Post subject: Re: Help, Desperate - Stuck auto trans shifter [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On 2008-12-02, aarcuda69062 <nonelson.RemoveThis@sbcglobal.net> wrote:


> Do your brake lights work?

Yes.

nb
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notbob

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Since: Sep 14, 2003
Posts: 34



(Msg. 6) Posted: Tue Dec 02, 2008 5:25 pm
Post subject: Re: Help, Desperate - Stuck auto trans shifter [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On 2008-12-02, lugnut <lugnut DeleteThis @roadkill.net> wrote:

> Your problem is the little stripped gear in the switch lock. It mechanically
> locks the lever in Park until it is rotated forward. The only fix is a new gear
> which is not terribly expensive or take the column down to where you can
> disconnect the linkage. The '91 did not have the brake pedal interlock.

Got steering disassembled down to rack/pinion gears and linkage rod. The
gears/linkage appear to have no connection with PRND12 selector lever. I can
now move ignition link rod up/dwn by hand, as key switch and gears have been
completely removed. Seems the ignition switch a foot down the column is the
starter problem. I can still turn ignit pwr on/off by moving rod up/dwn,
but still no starter circuit. The pinion gear is ok (brass), but last tooth
on rack is worn (pot metal) and no doubt why key/ignit swtch hangs up at
full turn. The PRND12 selector is still jammed in park. The interlock must
be something else.

I'm still looking.

nb
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notbob

External


Since: Sep 14, 2003
Posts: 34



(Msg. 7) Posted: Tue Dec 02, 2008 6:25 pm
Post subject: Re: Help, Desperate - Stuck auto trans shifter [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On 2008-12-02, notbob <notbob.DeleteThis@nothome.com> wrote:

> full turn. The PRND12 selector is still jammed in park. The interlock must
> be something else.
>

I'm beginning to wonder if maybe linkage gear shift linkage is hung up. I
may have pulled something when I used tranny link arm for leverage while
changing the starter motor. I remember old 3 spd on column shifters of both
chevy and ford pickups had a tendency to jam up sometimes and you hadda go
under hood and unlock 'em.

Tomorrow's another day.

nb
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