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Found the leak, how do I fix it? (tranny) (Updated) #82870 07/01/08 08:25 PM 07/01/08 08:25 PM
Joined: May 2005 Posts: 4,710 Florida BDW OP master
BDW OP master Joined: May 2005 Posts: 4,710 Florida	I think I found the source of my 727 leak. Is this something I can do myself, and how? Pic is looking from rear of car. 4524696-leak.jpg (930 downloads)

Re: Found the leak, how do I fix it? (tranny) [Re: BDW] #82871 07/01/08 09:02 PM 07/01/08 09:02 PM
Joined: Jan 2003 Posts: 288 Brodheadsville,PA F Frank_O_Jr super street
Frank_O_Jr super street F Joined: Jan 2003 Posts: 288 Brodheadsville,PA	I have stopped this leak on a trans by pushing in the shaft and slobbering silicone sealer (orange) all over the end of it.Clean with gumout.The only other way is to remove trans pan,trans tail housing.Slide out shaft and replace O ring.

Re: Found the leak, how do I fix it? (tranny) [Re: Frank_O_Jr] #82872 07/01/08 09:54 PM 07/01/08 09:54 PM
Joined: May 2005 Posts: 4,710 Florida BDW OP master
BDW OP master Joined: May 2005 Posts: 4,710 Florida	Tell me more about pushing the pin in? How much and how hard can I push on it? I definitely don't like the idea of removing the tailshaft. Is this something you can even do with the tranny in the car? Thx

Re: Found the leak, how do I fix it? (tranny) [Re: BDW] #82873 07/02/08 01:23 AM 07/02/08 01:23 AM
Joined: Jan 2003 Posts: 8,064 Arlington, Texas earlybee master
earlybee master Joined: Jan 2003 Posts: 8,064 Arlington, Texas	You won,t hurt it by pushing on it. It may not move. Just get it super clean with the spray cleaner tube around the pin/hole gap real good and dry it fast, then seal with rtv quickly before the trans fluid runs back. Pack it in with your finger. RTV won,t stick if its not clean/dry.

Re: Found the leak, how do I fix it? (tranny) [Re: earlybee] #82874 07/02/08 06:10 AM 07/02/08 06:10 AM
Joined: May 2005 Posts: 4,710 Florida BDW OP master
BDW OP master Joined: May 2005 Posts: 4,710 Florida	I'll give it a shot. I'll drain some fluid from the pan to get the level below this point. So it will remain dry after clean-up. Any other advice on the o-ring replacement if the silicon doesn't work? Thx

Re: Found the leak, how do I fix it? (tranny) [Re: BDW] #82875 07/02/08 09:05 AM 07/02/08 09:05 AM
Joined: Jan 2003 Posts: 74,978 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 74,978 U.S.S.A.	just jack the back of the car up so the fluid runs forward in the trans , clean it good with brake cleaner and get permatex ultra blue or ultra copper and let if cure , 24 hrs , before putting the rear back on the ground .

Re: Found the leak, how do I fix it? (tranny) [Re: JohnRR] #82876 07/02/08 10:44 AM 07/02/08 10:44 AM
A Anonymous Unregistered
Anonymous Unregistered A	Quote: just jack the back of the car up so the fluid runs forward in the trans , clean it good with brake cleaner and get permatex ultra blue or ultra copper and let if cure , 24 hrs , before putting the rear back on the ground . I did this a couple years ago to my sons car worked great, just make sure to get it clean and dry.

Re: Found the leak, how do I fix it? (tranny) [Re: BDW] #82877 07/02/08 11:48 AM 07/02/08 11:48 AM
Joined: Nov 2007 Posts: 21,819 Kirkland, Washington Pacnorthcuda Too Many Posts
Pacnorthcuda Too Many Posts Joined: Nov 2007 Posts: 21,819 Kirkland, Washington	Quote: I'll give it a shot. I'll drain some fluid from the pan to get the level below this point. So it will remain dry after clean-up. Any other advice on the o-ring replacement if the silicon doesn't work? Thx I did the same fix with JB Weld! Same advice, raise the rear to keep fluid away from that area. Clean real well with brake cleaner/carb cleaner/laquer thinner (some strong solvent) and blow dry real well. I was worried that the shaft needed to rotate to some degree but it doesn't. The fix worked for years.

Re: Found the leak, how do I fix it? (tranny) UPDATED [Re: Pacnorthcuda] #82878 07/08/08 06:30 PM 07/08/08 06:30 PM
Joined: May 2005 Posts: 4,710 Florida BDW OP master
BDW OP master Joined: May 2005 Posts: 4,710 Florida	I'm almost hesitant to say it, but it's been a week and I haven't seen a drip yet. I took the silicone advice. Cleaned it real good with brake cleaner, wiped it down, then put on a dab of Permatex Ultra Black. This will be a miracle if it holds, I thought I had fixed in the past. Granted this is a different spot. I'll keep my fingers crossed. Thanks for the help. Last edited by cnxt; 07/08/08 06:31 PM.

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