Help...4r100
Lead Driver
Joined: Feb 2000
Posts: 5,371
Likes: 46
From: Palm Bay, Florida
No ideas other than I don't agree with all this flushing stuff as of later years.
I am afraid for you that who ever flushed your trans blew all kinds of crap through it causing a piece of dirt or crap to get stuck somewhere it shouldn't have.
I am from the old school and never had any problems draining the pan, converter, changing the filter, refilling and driving anouther 30k miles.
I am afraid for you that who ever flushed your trans blew all kinds of crap through it causing a piece of dirt or crap to get stuck somewhere it shouldn't have.
I am from the old school and never had any problems draining the pan, converter, changing the filter, refilling and driving anouther 30k miles.
Thread Starter
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Posting Guru
Joined: Dec 2006
Posts: 1,081
Likes: 0
From: Gladwin,Mi
Originally Posted by Supercab
No ideas other than I don't agree with all this flushing stuff as of later years.
I am afraid for you that who ever flushed your trans blew all kinds of crap through it causing a piece of dirt or crap to get stuck somewhere it shouldn't have.
I am from the old school and never had any problems draining the pan, converter, changing the filter, refilling and driving anouther 30k miles.
I am afraid for you that who ever flushed your trans blew all kinds of crap through it causing a piece of dirt or crap to get stuck somewhere it shouldn't have.
I am from the old school and never had any problems draining the pan, converter, changing the filter, refilling and driving anouther 30k miles.
Thanks
Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
unless you turn the engine backwards, i dont know how youre going to flush it reverse with the method most use- removing the transmission cooler return line, and refill constantly as you drain the old stuff into a pan.
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Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,695
Likes: 2,616
From: SE Florida
Originally Posted by Supercab
Don't they back flush transmissions when they flush?? may be they blew off the filter??
If a flush is done correctly it doesn't add any pressure to the trans, or blow any crap through the trans. People that say that it can just don't know enough about how the flush works, or how a trans works.
Back to the original question, does it shift through all the other gears? Is the 1-2 shift the only one with a problem?
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Posting Guru
Joined: Dec 2006
Posts: 1,081
Likes: 0
From: Gladwin,Mi
Originally Posted by Mark Kovalsky
It's impossible to backflush a transmission. It can't be done.
If a flush is done correctly it doesn't add any pressure to the trans, or blow any crap through the trans. People that say that it can just don't know enough about how the flush works, or how a trans works.
Back to the original question, does it shift through all the other gears? Is the 1-2 shift the only one with a problem?
If a flush is done correctly it doesn't add any pressure to the trans, or blow any crap through the trans. People that say that it can just don't know enough about how the flush works, or how a trans works.
Back to the original question, does it shift through all the other gears? Is the 1-2 shift the only one with a problem?
Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
Likes: 2
From: Charlotte-Fairbanks-Bflo
If this is still the original transmission at 250k you should count your blessings. I am barely over 205k and on my 2nd rebuild already. I place all the blame on my superchip but am going to continue to live with it until I die, or can afford a DP, which ever comes first.
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Posting Guru
Joined: Dec 2006
Posts: 1,081
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From: Gladwin,Mi
Originally Posted by Markadeck
If this is still the original transmission at 250k you should count your blessings. I am barely over 205k and on my 2nd rebuild already. I place all the blame on my superchip but am going to continue to live with it until I die, or can afford a DP, which ever comes first.
Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
Likes: 2
From: Charlotte-Fairbanks-Bflo
Don't know what to say. My first went at 95k the day after towing a very heavy load from Tampa to Buffalo with absolutely no problems. Next day blooey. The 2nd went at 203k with almost no towing at all other than a Vdub Cabriolet only once in awhile. Trouble free, no warning got off the interstate and would not shift out of 2nd. Gone again, simple as that.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,695
Likes: 2,616
From: SE Florida
Originally Posted by Markadeck
If this is still the original transmission at 250k you should count your blessings.
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
For "something to try", you might try dropping the pan and pulling the accumulator VB. Pull the clip out of the 1-2 valve and make sure it's not sticking or has some junk in it. Very possible since it just happened with your flush. Changing the fluid takes no more time than an oil change using Mark's procedure. You must have an hour or two on the weekends, don't you?
