How to stop the tranny dip stick from leaking?
#920608
02/03/11 09:12 PM
02/03/11 09:12 PM
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Joined: Jan 2003
Posts: 12,084 Benton, IL.
DaveRS23
OP
Special needs idiot
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OP
Special needs idiot
Joined: Jan 2003
Posts: 12,084
Benton, IL.
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The tranny dip stick tube leaks at the o-ring on my 727. I have tried several things and not had much success. What have you done to fix these things? I have had these leaks on other trannies and didn't have much luck fixing them either.
Tips and tricks would really be appreciated.
Master, again and still
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Re: How to stop the tranny dip stick from leaking?
[Re: DaveRS23]
#920609
02/03/11 09:16 PM
02/03/11 09:16 PM
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Joined: Jul 2003
Posts: 6,167 Maryland
GO_Fish
master
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master
Joined: Jul 2003
Posts: 6,167
Maryland
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get the O ring from a dealership, or a transmission shop. Most of the generic ones at the hardware store are not the right thickness and will leak.
Scott B.
"I'm a self-made man... I started with nothing, and I still have most of it!"
68 360 rusty B'cuda 'vert (GO Fish)13.59@ 98.72 mph
69 340 GTS stock 14.18@ 95.60 mph
01 5.9L Ram 1500 Quad Cab 4x4
01 3.5L 300M 16.23@ 86.97 mph
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Re: How to stop the tranny dip stick from leaking?
[Re: DaveRS23]
#920611
02/03/11 09:23 PM
02/03/11 09:23 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I had a tough one that defied several attempts at sealing it & I finally pulled the pan/dipstick/dipstick tube & cleaned the hole in the case/end of tube thoroughly w brakekleen/replaced the O ring/plenty of RTV esp on the top side/lesser amt below the O ring/let situp overnight. Prob solved. Originally in my attempts I did not get it squeaky clean which prevented the RTV from sticking to the metal and the trans fluid would wick up past it so I had to pull the pan to get it ALL clean down there
live every 24 hour block of time like it's your last day on earth
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Re: How to stop the tranny dip stick from leaking?
[Re: RapidRobert]
#920612
02/03/11 10:30 PM
02/03/11 10:30 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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use some of the Mopar black ATF/RTV from the dealer with a new o-ring drop pan,clean with brake clean,install with ATF/RTV and let cure over night I change the filter,adjust bands,install newer style gasket from the dealer,torque the pan bolts and let sit over night before refilling it I also look at any of the other seals that may or may not be leaking and evaluate the need to replace any at that time.I also check the rear servo pivit pin at rear of the case/tail housing(that leak can make you think its the dip tube or something else if over looked) most times I do the TPV seal,gear selector shaft seal,fill tube o-ring,pan gasket,rear seal,adjust bands all at one time if I plan it right
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Re: How to stop the tranny dip stick from leaking?
[Re: can.al]
#920616
02/05/11 05:08 AM
02/05/11 05:08 AM
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Joined: Jun 2004
Posts: 3,319 Chicago Burbs
sthemi
master
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master
Joined: Jun 2004
Posts: 3,319
Chicago Burbs
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Some years do not have the bolt on the dipstick near the oring area. They only use a bracket to the back of the bellhousing. I have fixed this problem a couple of times by using a new O ring and loosen the bracket bolt. Put a screwdriver in the tube and give it a couple of light taps to seat the tube a little deeper in the trans. But, more than once I found the sector shaft seal was leaking and the fluid ran to the corner near the dipstick and dripped throwing me off track..Had to change the sector shaft seal..
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Re: How to stop the tranny dip stick from leaking?
[Re: sthemi]
#920617
02/05/11 11:39 AM
02/05/11 11:39 AM
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Joined: Mar 2005
Posts: 862 Iowa State fan
kilroy
super stock
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super stock
Joined: Mar 2005
Posts: 862
Iowa State fan
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Another thing to check is actually make sure that it is seated all the way down. Its hard to get it pushed all the way in when the push angle is not centered over the hole and the tube is curved (it hard to get a good straight push). When I was younger I would push them in but it would stop at the oring and I though I had it seated, I had perpetually leaky trans. One time when I was trying to get it to stop I got the right angle on it and it slipped further in. Problem solved! Just something to check.
1973 Charger, former SE, former auto
I'm not trying to be difficult, it comes naturally....
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Re: How to stop the tranny dip stick from leaking?
[Re: scratchnfotraction]
#920619
02/05/11 12:53 PM
02/05/11 12:53 PM
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Joined: Jan 2004
Posts: 27,347 Today? Who Knows?
1_WILD_RT
Management Trainee
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Management Trainee
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
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If you not opposed to a non-stock appearing dipstick the locking ones sold by Mancini have a better design seal similar to what is used on current mopar trans dipsticks... Also basically the design used by BM for years... It doesn't leak... I have in the past bought a new dipstick & cut the bottom couple inches off & cut a like amount off the original dipstick tube then welded the new section on the old tube to keep the original look... Lotta work but it stops the leak & keeps it looking stock... http://chucker54.stores.yahoo.net/man727diptub.html
"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
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Re: How to stop the tranny dip stick from leaking?
[Re: 1_WILD_RT]
#920620
02/05/11 03:43 PM
02/05/11 03:43 PM
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Joined: May 2005
Posts: 416 Franklin Co. Illinois
runinonmt
mopar
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mopar
Joined: May 2005
Posts: 416
Franklin Co. Illinois
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And the seal is the one used on late GM trans Ron Hey how's the Dart comin'?
In sixty-five I was seventeen and running up one-o-one
I don't know where I'm running now, I'm just running on
Jackson Browne-Running On Empty
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Re: How to stop the tranny dip stick from leaking?
[Re: runinonmt]
#920621
02/06/11 08:26 PM
02/06/11 08:26 PM
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Joined: Jan 2003
Posts: 12,084 Benton, IL.
DaveRS23
OP
Special needs idiot
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OP
Special needs idiot
Joined: Jan 2003
Posts: 12,084
Benton, IL.
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Hey Ron, how's it goin'?
The Dart is in limbo right now. The body man called just before he was scheduled to start on it and said he has to have open heart surgery. I am still trying to find an acceptable plan B.
I guess I will just graft a GM bottom to the tube in the Dart. I did that to the Cuda and it worked out good. No leaks. I just thought I would see if there were any other cures outside of using GM parts on the thing.
Thanks!
Master, again and still
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