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| [GMCnet] Slipping Transmission?? [message #132080] |
Sun, 26 June 2011 09:46  |
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Tangerine
Messages: 192
Registered: February 2004
Location: Livonia, MI
Karma: 0
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Can someone tell me what the problem is? After the coach has sat for
a week or more, the transmission slips. I can start out from where it
is parked, but just a few feet ahead it will be like the transmission is
in neutral. I let up on the gas and it will catch and move again. It
only does this when I first take off after setting for a week or so. I
can drive hundreds of miles and it will not do this again. Some one
told me that the torque converter was draining. How can I tell if that
is the problem? How do I stop it?? Is this a problem that I should get
fixed right away?? I always let up on the gas so it will not bang into
gear. I have driven hundreds of thousands of miles with Automatic
transmissions, never had a problem with any of them.
Gary W. Mills (Livonia MI)
. ___________
./_][__][] []| 1974 GMC M/H
.*O-------OO-* Painted Desert
"Tangerine Dream" W/New Frame
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1974 GMC 260
Tangerine Dream
Livonia Michigan
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| Re: [GMCnet] Slipping Transmission?? [message #132097 is a reply to message #132080] |
Sun, 26 June 2011 12:38  |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Gary,
All converters drain.
Check that the fluid level is at the L O W mark as the trans will be
cold and check the level.
If you add more , you'll ot like the result when it gets hot.
If the level is good, then we need to look at other things.
On Sun, Jun 26, 2011 at 7:46 AM, Gary Mills <daveel@ix.netcom.com> wrote:
> Â Can someone tell me what the problem is? Â After the coach has sat for
> a week or more, the transmission slips. Â I can start out from where it
> is parked, but just a few feet ahead it will be like the transmission is
> in neutral. Â I let up on the gas and it will catch and move again. Â It
> only does this when I first take off after setting for a week or so. Â I
> can drive hundreds of miles and it will not do this again. Â Some one
> told me that the torque converter was draining. Â How can I tell if that
> is the problem? How do I stop it?? Â Is this a problem that I should get
> fixed right away?? Â I always let up on the gas so it will not bang into
> gear. Â I have driven hundreds of thousands of miles with Automatic
> transmissions, never had a problem with any of them.
>
> Gary W. Mills (Livonia MI)
> . ___________
> ./_][__][] []| 1974 GMC Â M/H
> .*O-------OO-* Painted Desert
> "Tangerine Dream" W/New Frame
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Slipping Transmission?? [message #132126 is a reply to message #132080] |
Sun, 26 June 2011 17:48 |
fred v
Messages: 999
Registered: April 2006
Location: pensacola, fl.
Karma: 0
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| Tangerine wrote on Sun, 26 June 2011 09:46 |
Can someone tell me what the problem is? After the coach has sat for
a week or more, the transmission slips. I can start out from where it
is parked, but just a few feet ahead it will be like the transmission is
in neutral. I let up on the gas and it will catch and move again. It
only does this when I first take off after setting for a week or so. I
can drive hundreds of miles and it will not do this again. Some one
told me that the torque converter was draining. How can I tell if that
is the problem? How do I stop it?? Is this a problem that I should get
fixed right away?? I always let up on the gas so it will not bang into
gear. I have driven hundreds of thousands of miles with Automatic
transmissions, never had a problem with any of them.
Gary W. Mills (Livonia MI)
. ___________
./_][__][] []| 1974 GMC M/H
.*O-------OO-* Painted Desert
"Tangerine Dream" W/New Frame
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are you checking the oil level correctly with engine running? it is difficult to read the stick. mine reads better on the back side than the front. i always check it 3 or 4 times to be sure i'm getting a good reading.
Fred V
'77 Royale RB 455
P'cola, Fl
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| Re: [GMCnet] Slipping Transmission?? [message #132171 is a reply to message #132144] |
Mon, 27 June 2011 00:47 |
PETEinLongBeach
Messages: 90
Registered: June 2007
Location: Long Beach, CA
Karma: 0
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Mine was doing something like this when cold after sitting for days / weeks. Might not engage, might engage then disengage, etc. until it warms up a little. I had MGMGMC change the fluid and filter, and it has been perfect all week, so I'm hoping that fixed it.
Pete Smay
Long Beach, CA
1977 Kingsley
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| Re: [GMCnet] Slipping Transmission?? [message #132193 is a reply to message #132097] |
Mon, 27 June 2011 06:28 |
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Tangerine
Messages: 192
Registered: February 2004
Location: Livonia, MI
Karma: 0
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Senior Member |
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On 6/26/2011 1:38 PM, Jim Kanomata wrote:
> Gary,
> All converters drain.
> Check that the fluid level is at the L O W mark as the trans will be
> cold and check the level.
> If you add more , you'll ot like the result when it gets hot.
> If the level is good, then we need to look at other things.
>
> On Sun, Jun 26, 2011 at 7:46 AM, Gary Mills<daveel@ix.netcom.com> wrote:
>> Can someone tell me what the problem is? After the coach has sat for
>> a week or more, the transmission slips. I can start out from where it
>> is parked, but just a few feet ahead it will be like the transmission is
>> in neutral. I let up on the gas and it will catch and move again. It
>> only does this when I first take off after setting for a week or so. I
>> can drive hundreds of miles and it will not do this again. Some one
>> told me that the torque converter was draining. How can I tell if that
>> is the problem? How do I stop it?? Is this a problem that I should get
>> fixed right away?? I always let up on the gas so it will not bang into
>> gear. I have driven hundreds of thousands of miles with Automatic
>> transmissions, never had a problem with any of them.
>>
>> Gary W. Mills (Livonia MI)
>> . ___________
>> ./_][__][] []| 1974 GMC M/H
>> .*O-------OO-* Painted Desert
>> "Tangerine Dream" W/New Frame
Jim
The level of the fluid is at the full mark when warm. I will check it
cold the next time I am at the lot where it is stored. I have not had
this problem before in the 13 years that I have owned it. I have only
had to add maybe a pint of fluid in all that time. The fluid is a nice
red color.
Gary W. Mills (Livonia MI)
. ___________
./_][__][] []| 1974 GMC M/H
.*O-------OO-* Painted Desert
"Tangerine Dream" W/New Frame
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1974 GMC 260
Tangerine Dream
Livonia Michigan
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| Re: [GMCnet] Slipping Transmission?? [message #132195 is a reply to message #132126] |
Mon, 27 June 2011 06:37 |
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Tangerine
Messages: 192
Registered: February 2004
Location: Livonia, MI
Karma: 0
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Senior Member |
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On 6/26/2011 6:48 PM, fred veenschoten wrote:
>
> Tangerine wrote on Sun, 26 June 2011 09:46
>> Can someone tell me what the problem is? After the coach has sat for
>> a week or more, the transmission slips. I can start out from where it
>> is parked, but just a few feet ahead it will be like the transmission is
>> in neutral. I let up on the gas and it will catch and move again. It
>> only does this when I first take off after setting for a week or so. I
>> can drive hundreds of miles and it will not do this again. Some one
>> told me that the torque converter was draining. How can I tell if that
>> is the problem? How do I stop it?? Is this a problem that I should get
>> fixed right away?? I always let up on the gas so it will not bang into
>> gear. I have driven hundreds of thousands of miles with Automatic
>> transmissions, never had a problem with any of them.
>>
>> Gary W. Mills (Livonia MI)
>> . ___________
>> ./_][__][] []| 1974 GMC M/H
>> .*O-------OO-* Painted Desert
>> "Tangerine Dream" W/New Frame
> are you checking the oil level correctly with engine running? it is difficult to read the stick. mine reads better on the back side than the front. i always check it 3 or 4 times to be sure i'm getting a good reading.
Thanks for the reply Fred
Yes I am checking as you do. Several times in a row, just to make sure,
when the transmission is warm. After driving several miles, sometimes
hundreds of miles. In the 13 years I have owned it, I have only had to
add maybe a pint of ATF.
Gary W. Mills (Livonia MI)
. ___________
./_][__][] []| 1974 GMC M/H
.*O-------OO-* Painted Desert
"Tangerine Dream" W/New Frame
_______________________________________________
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Unsubscribe or Change List Options:
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1974 GMC 260
Tangerine Dream
Livonia Michigan
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| Re: [GMCnet] Slipping Transmission?? [message #132218 is a reply to message #132195] |
Mon, 27 June 2011 09:33 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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Gary
I hope you have changed the filter and the fluid sometime during those
13 years
Your problem could be a clogged filter or perhaps it is sucking air
througt the o ring where the filter pushes into the transmission.
Most of us now use two oil rings on the filter to prevent this as a
problem.
Emery Stora
On Jun 27, 2011, at 5:37 AM, Gary Mills <daveel@ix.netcom.com> wrote:
> On 6/26/2011 6:48 PM, fred veenschoten wrote:
>>
>> Tangerine wrote on Sun, 26 June 2011 09:46
>>> Can someone tell me what the problem is? After the coach has sat
>>> for
>>> a week or more, the transmission slips. I can start out from
>>> where it
>>> is parked, but just a few feet ahead it will be like the
>>> transmission is
>>> in neutral. I let up on the gas and it will catch and move
>>> again. It
>>> only does this when I first take off after setting for a week or
>>> so. I
>>> can drive hundreds of miles and it will not do this again. Some one
>>> told me that the torque converter was draining. How can I tell if
>>> that
>>> is the problem? How do I stop it?? Is this a problem that I
>>> should get
>>> fixed right away?? I always let up on the gas so it will not bang
>>> into
>>> gear. I have driven hundreds of thousands of miles with Automatic
>>> transmissions, never had a problem with any of them.
>>>
>>> Gary W. Mills (Livonia MI)
>>> . ___________
>>> ./_][__][] []| 1974 GMC M/H
>>> .*O-------OO-* Painted Desert
>>> "Tangerine Dream" W/New Frame
>> are you checking the oil level correctly with engine running? it is
>> difficult to read the stick. mine reads better on the back side
>> than the front. i always check it 3 or 4 times to be sure i'm
>> getting a good reading.
> Thanks for the reply Fred
>
> Yes I am checking as you do. Several times in a row, just to make
> sure,
> when the transmission is warm. After driving several miles, sometimes
> hundreds of miles. In the 13 years I have owned it, I have only
> had to
> add maybe a pint of ATF.
>
> Gary W. Mills (Livonia MI)
> . ___________
> ./_][__][] []| 1974 GMC M/H
> .*O-------OO-* Painted Desert
> "Tangerine Dream" W/New Frame
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Slipping Transmission?? [message #132252 is a reply to message #132234] |
Mon, 27 June 2011 11:48 |
 |
WD0AFQ
Messages: 7111
Registered: November 2004
Location: Dexter, Mo.
Karma: 207
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| mannystrans wrote on Mon, 27 June 2011 10:33 |
First, you should always have first gear.
So when you shift the lever into drive, you should feel positive engagement.
Taking your foot off the brake pedal, the motorhome will want to go forward.
Converter leak down varies from converter to converter, (tranny to tranny)
In your case, it seems that you have engagement when you put ir in drive,
only after a few feet it feels like its in neutral.
To me it looks like its trying to shift too soon. Increase the
pressure on the modulator.
--
Manny Trovao
mannystrans@gmail.com
Manny's Trans / Power Drive
San Jose, California
408-937-1583
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Great advice Gary, from the man himself. That will be an easy thing for you to try. Good to have these experts paying attention to the problems listed here on the net.
Any Briggs&Stratton experts reading the net???
Dan
3 In Stainless Exhaust Headers
One Ton All Discs/Reaction Arm
355 FD/Quad Bag/Alum Radiator Manny Tran/New eng.
Holley EFI/10 Tire Air Monitoring System
Solarized Coach/Upgraded Windows
Satelite TV/On Demand Hot Water/3Way Refer
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| Re: [GMCnet] Slipping Transmission?? [message #132255 is a reply to message #132252] |
Mon, 27 June 2011 11:52 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Dan, Yes.
Jim Hupy
Salem, Or
78 GMC Royale 403
On Mon, Jun 27, 2011 at 9:48 AM, Dan Gregg <gregg_dan@hotmail.com> wrote:
>
>
> mannystrans wrote on Mon, 27 June 2011 10:33
> > First, you should always have first gear.
> > So when you shift the lever into drive, you should feel positive
> engagement.
> > Taking your foot off the brake pedal, the motorhome will want to go
> forward.
> > Converter leak down varies from converter to converter, (tranny to
> tranny)
> >
> > In your case, it seems that you have engagement when you put ir in drive,
> > only after a few feet it feels like its in neutral.
> > To me it looks like its trying to shift too soon. Increase the
> > pressure on the modulator.
> >
> > --
> > Manny Trovao
> > mannystrans@gmail.com
> > Manny's Trans / Power Drive
> > San Jose, California
> > 408-937-1583
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
> Great advice Gary, from the man himself. That will be an easy thing for you
> to try. Good to have these experts paying attention to the problems listed
> here on the net.
> Any Briggs&Stratton experts reading the net???
> Dan
> --
> Dan & Teri Gregg
> Soft White LED Lighting
>
> http://danandteri.blogspot.com/
>
>
>
>
> _______________________________________________
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| Re: [GMCnet] Slipping Transmission?? [message #132345 is a reply to message #132286] |
Mon, 27 June 2011 19:34 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Well, the older TorqueFLite emptied the converter when in PARK on purpose. Their dipsticks are marked "CHECK IN NEUTRAL". They will read wrong(high) if checked in park.
--johnny
--- On Mon, 6/27/11, KB <kab7@sonic.net> wrote:
From: KB <kab7@sonic.net>
Subject: Re: [GMCnet] Slipping Transmission??
To: gmclist@temp.gmcnet.org
Date: Monday, June 27, 2011, 6:38 PM
A brilliant engineer told me that the torque converter will fill up much more
rapidly in Neutral than in Park. Worth a try.
Karen
1973 23'
1975 26'
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Slipping Transmission?? [message #132493 is a reply to message #132218] |
Tue, 28 June 2011 18:15 |
|
Tangerine
Messages: 192
Registered: February 2004
Location: Livonia, MI
Karma: 0
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Senior Member |
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On 6/27/2011 10:33 AM, Emery Stora wrote:
> Gary
>
> I hope you have changed the filter and the fluid sometime during those
> 13 years
>
> Your problem could be a clogged filter or perhaps it is sucking air
> througt the o ring where the filter pushes into the transmission.
>
> Most of us now use two oil rings on the filter to prevent this as a
> problem.
>
> Emery Stora
>
> On Jun 27, 2011, at 5:37 AM, Gary Mills<daveel@ix.netcom.com> wrote:
>
>> On 6/26/2011 6:48 PM, fred veenschoten wrote:
>>> Tangerine wrote on Sun, 26 June 2011 09:46
>>>> Can someone tell me what the problem is? After the coach has sat
>>>> for
>>>> a week or more, the transmission slips. I can start out from
>>>> where it
>>>> is parked, but just a few feet ahead it will be like the
>>>> transmission is
>>>> in neutral. I let up on the gas and it will catch and move
>>>> again. It
>>>> only does this when I first take off after setting for a week or
>>>> so. I
>>>> can drive hundreds of miles and it will not do this again. Some one
>>>> told me that the torque converter was draining. How can I tell if
>>>> that
>>>> is the problem? How do I stop it?? Is this a problem that I
>>>> should get
>>>> fixed right away?? I always let up on the gas so it will not bang
>>>> into
>>>> gear. I have driven hundreds of thousands of miles with Automatic
>>>> transmissions, never had a problem with any of them.
>>>>
>>>> Gary W. Mills (Livonia MI)
>>>> . ___________
>>>> ./_][__][] []| 1974 GMC M/H
>>>> .*O-------OO-* Painted Desert
>>>> "Tangerine Dream" W/New Frame
>>> are you checking the oil level correctly with engine running? it is
>>> difficult to read the stick. mine reads better on the back side
>>> than the front. i always check it 3 or 4 times to be sure i'm
>>> getting a good reading.
>> Thanks for the reply Fred
>>
>> Yes I am checking as you do. Several times in a row, just to make
>> sure,
>> when the transmission is warm. After driving several miles, sometimes
>> hundreds of miles. In the 13 years I have owned it, I have only
>> had to
>> add maybe a pint of ATF.
>>
>> Gary W. Mills (Livonia MI)
>> . ___________
>> ./_][__][] []| 1974 GMC M/H
>> .*O-------OO-* Painted Desert
>> "Tangerine Dream" W/New Frame
Emery
As I told Rob. I have not got 12,000 miles on it in 13 years. I guess
I will do it now.
Gary W. Mills (Livonia MI)
. ___________
./_][__][] []| 1974 GMC M/H
.*O-------OO-* Painted Desert
"Tangerine Dream" W/New Frame
_______________________________________________
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1974 GMC 260
Tangerine Dream
Livonia Michigan
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