leaky trans dipstick
#1826854
05/14/15 08:50 PM
05/14/15 08:50 PM
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Joined: Jan 2003
Posts: 1,032 Streetsboro ,Ohio
72duster318
OP
super stock
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OP
super stock
Joined: Jan 2003
Posts: 1,032
Streetsboro ,Ohio
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The transmission dipstick in my wife's Dart (360/904) leaks like a sieve, we replaced the O-ring twice and it hasn't helped. Could it be something else, or is the ring just misplacing during installation. Has anyone else had this problem and how did you fix it, e.g. some type of sealer on the tube. Thanks for any help, this is driving me nuts.
If you didn't build it yourself, it's not really yours - Tim "the toolman" Taylor
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Re: leaky trans dipstick
[Re: Andrewh]
#1826906
05/14/15 10:00 PM
05/14/15 10:00 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 pesky one & I dropped the pan cleaned the hole/dipstick end (remove O ring first/clean it too) with brake kleen squeaky clean so the cement would adhere then applied RTV & let it set up good, no more leaking on that one
live every 24 hour block of time like it's your last day on earth
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Re: leaky trans dipstick
[Re: BDW]
#1827033
05/15/15 01:18 AM
05/15/15 01:18 AM
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Joined: Feb 2003
Posts: 16,147 Mesa, Arizona
dart4forte
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 16,147
Mesa, Arizona
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Done this several times. Clean the area around the dipstick tube, make sure all the tranny fluid is cleaned off at the base where the dipstick inserts into the case. Take a cap of DOT 3 and pour it around the base. Let the car sit for a day. Then take it for a drive. Eventually the rubber will swell. I wouldn't do it more than once. If you replace the the o ring rub the o ring in Dot 3and insert the tube. Again let it sit before adding tranny fluids. Has worked for me several times.
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: leaky trans dipstick
[Re: RapidRobert]
#1827041
05/15/15 01:27 AM
05/15/15 01:27 AM
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Joined: Nov 2007
Posts: 21,825 Kirkland, Washington
Pacnorthcuda
Too Many Posts
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Too Many Posts
Joined: Nov 2007
Posts: 21,825
Kirkland, Washington
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I did the same as Robert and it worked for me too. I had a pesky one & I dropped the pan cleaned the hole/dipstick end (remove O ring first/clean it too) with brake kleen squeaky clean so the cement would adhere then applied RTV & let it set up good, no more leaking on that one I did the same without dropping the pan. Suck out as much fluid as possible from the tube. Raise the front of the car. Remove the tube. Clean every surface, again and again. Install the tube with new oring AND silicone. I know, not normal procedure. Bolt tube to block (yours WAS secured right?). Wait Overnight refill fluid and drive.
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Re: leaky trans dipstick
[Re: Pacnorthcuda]
#1827047
05/15/15 01:41 AM
05/15/15 01:41 AM
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Joined: Jan 2003
Posts: 8,396 Highland, MI.
Sunroofcuda
master
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master
Joined: Jan 2003
Posts: 8,396
Highland, MI.
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If you need a new or a custom tube assembly, contact Dan Masta - very reasonably priced too: http://www.mastaperformance.com/Dan is a GREAT guy & an old school racer & heavy mechanic. I wouldn't trust many people with an engine, transmission, or rear end as much as I would Dan. Tell him Eric sent you.
No Man With A Good Car Needs To Be Justified
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Re: leaky trans dipstick
[Re: 72duster318]
#1827294
05/15/15 03:25 PM
05/15/15 03:25 PM
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Joined: Jan 2003
Posts: 25,817 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,817
Rio Linda, CA
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The transmission dipstick in my wife's Dart (360/904) leaks like a sieve, we replaced the O-ring twice and it hasn't helped. Could it be something else, Yes. The groove that the O ring sits in is a formed bead, the tube often cracks at the bead especially if the upper bracket isn't attached. Remove the tube and closely inspect the area of the bead...especially above the bead.
The INTERNET, the MISinformation superhighway
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Re: leaky trans dipstick
[Re: 72duster318]
#1829687
05/18/15 11:31 PM
05/18/15 11:31 PM
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Joined: Jan 2003
Posts: 1,032 Streetsboro ,Ohio
72duster318
OP
super stock
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OP
super stock
Joined: Jan 2003
Posts: 1,032
Streetsboro ,Ohio
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Thanks for all the hints everyone, I have a few things to work at now. And yes, it was correctly bolted to the back of the block.
If you didn't build it yourself, it's not really yours - Tim "the toolman" Taylor
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