Thanks for the info I have one other ? If the TCC is where the lockup takes
place why do you think they pulled the TM after all replacing the TCC was
the first thing that they did.
"Jerry Newton" <fig@mcttelecom.com> wrote in message
news:3fe73906$1_2@newspeer2.tds.net...
> Unplugging the TCC (torgque converter clutch) or otherwise disabling it
> won't get past the onboard computer, and the light will come back on if
that
> is what was done. I don't think that the dealer would have done that.
>
> Further, it is unwise to disconnect or otherwise disable the TCC. A
torque
> converter that does not lock up produces an enormous amount of heat, which
> will ruin the transmission. Your buddy that did that didn't gain anything
> except a broken transmission from the inevitable failure due to
overheating.
>
> Jerry
>
>
> "Joe" <joe837@hello.net> wrote in message
> news:bs7b1b$acor3$1@ID-130119.news.uni-berlin.de...
> > The first thing they tried was replacing the TC.That did not solve the
> > problem.Replacing the computer was the second thing they did and pulling
> the
> > TM and repairing the leaking seal was last month..I must admit this is
the
> > most comfortable I've been with a service department in fifty years of
> > buying cars.My friend has a older car and the 'lockup"would not release
> and
> > his buddy at the shop told him to pull the plug so it would release and
> > drive until it failed completely because of the vehicles age.
> > "John Davies" <johnedavies@comcast.net> wrote in message
> > news:hp4euvciq1u55mc5j5m8qcqpemvpnbhuii@4ax.com...
> > > On Mon, 22 Dec 2003 05:31:24 -0500, "Joe" <joe837@hello.net> wrote:
> > >
> > > >Had the engine light come on steady and the dealer scan indicated
> > something
> > > >to do with a"lock up"function of the transmission that is to enable a
> few
> > > >extra miles per gallon.They could not find any info about the code
the
> > scan
> > > >was giving them.They would clear the computer and after several weeks
> it
> > > >would come on again same code.After going back 5 times I finally got
a
> > file
> > > >number and told them to fix it or I would invoke the lemon law.
> > > > They took the Jeep and pulled the Trans and said a seal was
> > leaking
> > > >and repaired it.That was 4 wks ago and the light has not come back
on.I
> > want
> > > >to know if it is possible to disable the"lockup" function so the scan
> > would
> > > >not pick it up?I'm not sure at this time if a drop in mpg has
> > occurred.Thank
> > > >you.
> > > >
> > > Why do you think they would do that nasty trick to disable the torque
> > > converter lockup? It would only come back to haunt them. Since they
> > > removed the tranny it is very likely that they corrected the problem.
> > > A functioning lockup TC is very easy to see on a test drive - the
> > > engine rpm will drop as you back off on the throttle. It's a more
> > > subtle jolt than the normal shift. With a 4 speed auto it acts as if
> > > you have several extra gears. If I recall correctly, in the XJ tranny
> > > the TC will lock in the three highest gears.
> > >
> > > There is a computer that controls the shifting and lockup, located
> > > underneath the glovebox. That should have been checked early on during
> > > the troubleshooting.
> > >
> > > John Davies
> > > Spokane WA USA
> >
> >
>
>

 

Thanks for the info I have one other ? If the TCC is where the lockup takes
place why do you think they pulled the TM after all replacing the TCC was
the first thing that they did.
"Jerry Newton" <fig@mcttelecom.com> wrote in message
news:3fe73906$1_2@newspeer2.tds.net...
> Unplugging the TCC (torgque converter clutch) or otherwise disabling it
> won't get past the onboard computer, and the light will come back on if
that
> is what was done. I don't think that the dealer would have done that.
>
> Further, it is unwise to disconnect or otherwise disable the TCC. A
torque
> converter that does not lock up produces an enormous amount of heat, which
> will ruin the transmission. Your buddy that did that didn't gain anything
> except a broken transmission from the inevitable failure due to
overheating.
>
> Jerry
>
>
> "Joe" <joe837@hello.net> wrote in message
> news:bs7b1b$acor3$1@ID-130119.news.uni-berlin.de...
> > The first thing they tried was replacing the TC.That did not solve the
> > problem.Replacing the computer was the second thing they did and pulling
> the
> > TM and repairing the leaking seal was last month..I must admit this is
the
> > most comfortable I've been with a service department in fifty years of
> > buying cars.My friend has a older car and the 'lockup"would not release
> and
> > his buddy at the shop told him to pull the plug so it would release and
> > drive until it failed completely because of the vehicles age.
> > "John Davies" <johnedavies@comcast.net> wrote in message
> > news:hp4euvciq1u55mc5j5m8qcqpemvpnbhuii@4ax.com...
> > > On Mon, 22 Dec 2003 05:31:24 -0500, "Joe" <joe837@hello.net> wrote:
> > >
> > > >Had the engine light come on steady and the dealer scan indicated
> > something
> > > >to do with a"lock up"function of the transmission that is to enable a
> few
> > > >extra miles per gallon.They could not find any info about the code
the
> > scan
> > > >was giving them.They would clear the computer and after several weeks
> it
> > > >would come on again same code.After going back 5 times I finally got
a
> > file
> > > >number and told them to fix it or I would invoke the lemon law.
> > > > They took the Jeep and pulled the Trans and said a seal was
> > leaking
> > > >and repaired it.That was 4 wks ago and the light has not come back
on.I
> > want
> > > >to know if it is possible to disable the"lockup" function so the scan
> > would
> > > >not pick it up?I'm not sure at this time if a drop in mpg has
> > occurred.Thank
> > > >you.
> > > >
> > > Why do you think they would do that nasty trick to disable the torque
> > > converter lockup? It would only come back to haunt them. Since they
> > > removed the tranny it is very likely that they corrected the problem.
> > > A functioning lockup TC is very easy to see on a test drive - the
> > > engine rpm will drop as you back off on the throttle. It's a more
> > > subtle jolt than the normal shift. With a 4 speed auto it acts as if
> > > you have several extra gears. If I recall correctly, in the XJ tranny
> > > the TC will lock in the three highest gears.
> > >
> > > There is a computer that controls the shifting and lockup, located
> > > underneath the glovebox. That should have been checked early on during
> > > the troubleshooting.
> > >
> > > John Davies
> > > Spokane WA USA
> >
> >
>
>

 

Thanks for the info I have one other ? If the TCC is where the lockup takes
place why do you think they pulled the TM after all replacing the TCC was
the first thing that they did.
"Jerry Newton" <fig@mcttelecom.com> wrote in message
news:3fe73906$1_2@newspeer2.tds.net...
> Unplugging the TCC (torgque converter clutch) or otherwise disabling it
> won't get past the onboard computer, and the light will come back on if
that
> is what was done. I don't think that the dealer would have done that.
>
> Further, it is unwise to disconnect or otherwise disable the TCC. A
torque
> converter that does not lock up produces an enormous amount of heat, which
> will ruin the transmission. Your buddy that did that didn't gain anything
> except a broken transmission from the inevitable failure due to
overheating.
>
> Jerry
>
>
> "Joe" <joe837@hello.net> wrote in message
> news:bs7b1b$acor3$1@ID-130119.news.uni-berlin.de...
> > The first thing they tried was replacing the TC.That did not solve the
> > problem.Replacing the computer was the second thing they did and pulling
> the
> > TM and repairing the leaking seal was last month..I must admit this is
the
> > most comfortable I've been with a service department in fifty years of
> > buying cars.My friend has a older car and the 'lockup"would not release
> and
> > his buddy at the shop told him to pull the plug so it would release and
> > drive until it failed completely because of the vehicles age.
> > "John Davies" <johnedavies@comcast.net> wrote in message
> > news:hp4euvciq1u55mc5j5m8qcqpemvpnbhuii@4ax.com...
> > > On Mon, 22 Dec 2003 05:31:24 -0500, "Joe" <joe837@hello.net> wrote:
> > >
> > > >Had the engine light come on steady and the dealer scan indicated
> > something
> > > >to do with a"lock up"function of the transmission that is to enable a
> few
> > > >extra miles per gallon.They could not find any info about the code
the
> > scan
> > > >was giving them.They would clear the computer and after several weeks
> it
> > > >would come on again same code.After going back 5 times I finally got
a
> > file
> > > >number and told them to fix it or I would invoke the lemon law.
> > > > They took the Jeep and pulled the Trans and said a seal was
> > leaking
> > > >and repaired it.That was 4 wks ago and the light has not come back
on.I
> > want
> > > >to know if it is possible to disable the"lockup" function so the scan
> > would
> > > >not pick it up?I'm not sure at this time if a drop in mpg has
> > occurred.Thank
> > > >you.
> > > >
> > > Why do you think they would do that nasty trick to disable the torque
> > > converter lockup? It would only come back to haunt them. Since they
> > > removed the tranny it is very likely that they corrected the problem.
> > > A functioning lockup TC is very easy to see on a test drive - the
> > > engine rpm will drop as you back off on the throttle. It's a more
> > > subtle jolt than the normal shift. With a 4 speed auto it acts as if
> > > you have several extra gears. If I recall correctly, in the XJ tranny
> > > the TC will lock in the three highest gears.
> > >
> > > There is a computer that controls the shifting and lockup, located
> > > underneath the glovebox. That should have been checked early on during
> > > the troubleshooting.
> > >
> > > John Davies
> > > Spokane WA USA
> >
> >
>
>