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Old 06-14-2005, 00:08   #1 (permalink)
LewBish
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C-4 Transmission shifting problem

Auto Folks, Im new here. I have a 1968 Mustang with a three speed
auto, I think its a C-4 Tranny, because it has 302 V-8. I want to
get it running okay for better evaluation before I pull the
Transmission if possible. It wont shift into High gear. What are
the things to look for if it wont shift on up into high gear?
thanks, Lewis

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Old 06-14-2005, 00:08   #2 (permalink)
lugnut
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Re: C-4 Transmission shifting problem

On 12 Jun 2005 14:36:47 -0400, LewBish
<UseLinkToEmail@AutoForumz.com> wrote:

>Auto Folks, I’m new here. I have a 1968 Mustang with a three speed
>auto, I think it’s a C-4 Tranny, because it has 302 V-8. I want to
>get it running okay for better evaluation before I pull the
>Transmission if possible. It won’t shift into High gear. What are
>the things to look for if it won’t shift on up into high gear?
>thanks, Lewis



Stuck road speed governor? Should be able to remove it by
removing tail shaft housing IIRC. Clean it up and dip it in
trasn fluid.

Lugnut
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Old 06-14-2005, 00:08   #3 (permalink)
tom
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Re: C-4 Transmission shifting problem

check the passing gear linkage. if it is stuck in pass position, it will not
shift into third, or will shift when pedal is let off, but downshift again
as soon as gas is hit
"LewBish" <UseLinkToEmail@AutoForumz.com> wrote in message
news:1_604791_53fccfa74090641984a56c882133e715@autoforumz.com...
> Auto Folks, I'm new here. I have a 1968 Mustang with a three speed
> auto, I think it's a C-4 Tranny, because it has 302 V-8. I want to
> get it running okay for better evaluation before I pull the
> Transmission if possible. It won't shift into High gear. What are
> the things to look for if it won't shift on up into high gear?
> thanks, Lewis
>
> --
> Posted using the http://www.autoforumz.com interface, at author's request
> Articles individually checked for conformance to usenet standards
> Topic URL:

http://www.autoforumz.com/Ford-Mecur...oblem-ftopict1
24206.html
> Visit Topic URL to contact author (reg. req'd). Report abuse:

http://www.autoforumz.com/eform.php?p=604791


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Old 06-14-2005, 00:09   #4 (permalink)
Kevin Bottorff
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Re: C-4 Transmission shifting problem

LewBish <UseLinkToEmail@AutoForumz.com> wrote in news:1_604791_
53fccfa74090641984a56c882133e715@autoforumz.com:

> Auto Folks, Im new here. I have a 1968 Mustang with a three speed
> auto, I think its a C-4 Tranny, because it has 302 V-8. I want to
> get it running okay for better evaluation before I pull the
> Transmission if possible. It wont shift into High gear. What are
> the things to look for if it wont shift on up into high gear?
> thanks, Lewis
>


lets start with the most likley, which is the vacuume modulator. pull the
line off at the trany and if any fluid is in it it needs to be replaced.
KB

--
ThunderSnake #9 Warn once, shoot twice
460 in the pkup, 460 on the stand for another pkup
and one in the shed for a fun project to yet be decided on
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Old 06-14-2005, 00:09   #5 (permalink)
Louis M. Brown
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Re: C-4 Transmission shifting problem

On 12 Jun 2005 14:36:47 -0400, LewBish <UseLinkToEmail@AutoForumz.com>
wrote:

>Auto Folks, Im new here. I have a 1968 Mustang with a three speed
>auto, I think its a C-4 Tranny, because it has 302 V-8. I want to
>get it running okay for better evaluation before I pull the
>Transmission if possible. It wont shift into High gear. What are
>the things to look for if it wont shift on up into high gear?
>thanks, Lewis


Won't go into 3rd, eh? Didja make sure the shift linkage is properly
adjusted?

-LMB

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Old 06-14-2005, 00:09   #6 (permalink)
LewBish
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Re: Re: C-4 Transmission shifting problem

"Kevin Bottorff" wrote:
> LewBish <UseLinkToEmail@AutoForumz.com> wrote in
> news:1_604791_
> 53fccfa74090641984a56c882133e715@autoforumz.com:
>
> > Auto Folks, Im new here. I have a 1968 Mustang with a

> three speed
> > auto, I think its a C-4 Tranny, because it has 302 V-8. I

> want to
> > get it running okay for better evaluation before I pull the
> > Transmission if possible. It wont shift into High gear.

> What are
> > the things to look for if it wont shift on up into high

> gear?
> > thanks, Lewis
> >

>
> lets start with the most likley, which is the vacuume
> modulator. pull the
> line off at the trany and if any fluid is in it it needs to be
> replaced.
> KB
>
> --
> ThunderSnake #9 Warn once, shoot twice
> 460 in the pkup, 460 on the stand for another pkup
> and one in the shed for a fun project to yet be decided on


Thanks, Kevin, Tom, L. Brown, and Lugnut, Ill check out the
suggested possible problems and report my success. Lewis

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Old 06-26-2005, 19:01   #7 (permalink)
LewBish
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Re: Re: C-4 Transmission shifting problem

"LewBish" wrote:
> Thanks, Kevin, Tom, L. Brown, and Lugnut, I'll check out the
> suggested possible problems and report my success. Lewis


I still have not gotten around to checking out the suggestions on the
Mustang trans that fails to shift into high gear. I will post my
findings when I have done it. Thanks again Lewbish
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