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Re: 727 transmission leaking
[Re: dOc !]
#444521
08/20/09 08:00 PM
08/20/09 08:00 PM
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Joined: Oct 2003
Posts: 1,371
Costa Mesa, CA
chache876
OP
pro stock
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OP
pro stock
Joined: Oct 2003
Posts: 1,371
Costa Mesa, CA
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Quote:
A seal and/or bushing replacement is an out-of-the-car deal only.
*sigh*
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Re: 727 transmission leaking
[Re: chache876]
#444522
08/20/09 08:16 PM
08/20/09 08:16 PM
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Joined: May 2003
Posts: 15,487
Florida
scratchnfotraction
I Live Here
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I Live Here
Joined: May 2003
Posts: 15,487
Florida
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I would wash it down good with brake clean,remove cover and clean the bell out also and dry clean around the dip tube and the gear selector shaft seal then throw baby powder on all the spots and make sure its the front seal leaking windage will move the leak around and you will waste time and $ fixing the wrong thing to just realize it still leaks yea tranny comes out for front pump seal,the rest can be got with it in the car thats why I suggest to clean,dry and make sure you got the right spot on the leak whats one more day before pulling it or sending it to a shop??? check the lines as well might get lucky  
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Re: 727 transmission leaking
[Re: scratchnfotraction]
#444524
08/20/09 09:57 PM
08/20/09 09:57 PM
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Joined: May 2005
Posts: 4,703
Florida
BDW
master
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master
Joined: May 2005
Posts: 4,703
Florida
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Quote:
I would wash it down good with brake clean,remove cover and clean the bell out also and dry
clean around the dip tube and the gear selector shaft seal
then throw baby powder on all the spots and make sure its the front seal leaking
windage will move the leak around and you will waste time and $ fixing the wrong thing to just realize it still leaks
yea tranny comes out for front pump seal,the rest can be got with it in the car
thats why I suggest to clean,dry and make sure you got the right spot on the leak
whats one more day before pulling it or sending it to a shop???
check the lines as well
might get lucky
Good advice, I fixed leak after leak. I think it ended up being 5-6 different spots. Once I added up all the cost of tranny fluid and parts, had over $200 into it. Let me tell you, really no way to tell where it's coming from unless you do as suggested above.
I'd clean it up and do all the stuff at once.
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Re: 727 transmission leaking
[Re: chache876]
#444525
08/21/09 01:58 AM
08/21/09 01:58 AM
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Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar
master
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master
Joined: May 2008
Posts: 5,399
Aurora, Colorado
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It could just be fluid comming out of the vent at the top of the pump? Make sure the trans is not overfilled. This is why it is common to plug the vent and re-locate it.
if not the vent issue, and it is in the converter bellhousing, you will have to remove the transmission from the car to fix it. I have seen a few torque converter hubs crack, and really leak alot of fluid.
About the only items I think you can check/fix with the trans installed would be the fluid level, the converter drain plug (if it has one), and maybe the plug for the front band lever pivot pin?
If it is not any of the issues above, then the only remaining seals in the bellhousing are the pump to converter seal, and the pump to case gasket/seal (and pump bolt washer/seals.)
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Re: 727 transmission leaking
[Re: 451Mopar]
#444527
08/21/09 05:35 PM
08/21/09 05:35 PM
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Joined: Oct 2003
Posts: 1,371
Costa Mesa, CA
chache876
OP
pro stock
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OP
pro stock
Joined: Oct 2003
Posts: 1,371
Costa Mesa, CA
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Quote:
It could just be fluid comming out of the vent at the top of the pump? Make sure the trans is not overfilled. This is why it is common to plug the vent and re-locate it.
Well I mean since this just started happening not too long ago and I've not put any fluid in the trans lately I dont see how it could overflow unless maybe somethings clogged somewhere else but i dunno about that.
I just hope I don't have to remove my longtubes. Its not dropping the trans that bothers me its the headers haha
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Re: 727 transmission leaking
[Re: chache876]
#444529
08/22/09 05:30 PM
08/22/09 05:30 PM
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Joined: Apr 2007
Posts: 4,233
petaluma,ca. u.s.a.
west
master
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master
Joined: Apr 2007
Posts: 4,233
petaluma,ca. u.s.a.
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Quote:
How high am I going to have to lift the vehicle to have enough room to get a regular jack with a transmission adapter underneath there and be able to drop the trans on it and slide it out?
Would I be able to lift it with just a regular jack and jack stands? Or would I have to get some truck jack stands to lift it higher?
you can stack up a couple of 2x6's and put your stands on that.
even If I don't need the clearance I do it anyway for the comfort
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Re: 727 transmission leaking
[Re: dOc !]
#444532
08/22/09 09:12 PM
08/22/09 09:12 PM
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Joined: May 2003
Posts: 15,487
Florida
scratchnfotraction
I Live Here
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I Live Here
Joined: May 2003
Posts: 15,487
Florida
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I do mine on ramps and stands with just a floor jack and 1/2" piece of ply wood the size of the pan got man handle it some on the jack,but I have done lots of them slide the tranny off the jack and slid it from under the car a little c-clamp on the bell will help hold the tc in place going back in also make sure you get the tc fully engauged when going back in...very important,will but the lugs on the pump if its not engauged fully good luck and safty first with the jack/stands 
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