Re: 727 Front Seal Replacement
[Re: 469runner]
#145746
11/04/08 10:32 PM
11/04/08 10:32 PM
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Joined: Jul 2008
Posts: 30,460 Florida STAYcation
dOOc
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,460
Florida STAYcation
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Quote:
Get a screwdriver and knock it sideways, then grab with pliers and pull out. No big deal. Drive new seal in with a mallet ot small hammer evenly. Done deal. I've been doing it this way for 30 years.
To remove it ....sounds good.
But to INSTALL ? .... what you suggest is toooo risky(IMO) ...you tweak the seal wrong and the trans has to come out - AGAIN.
And .... I HAVE to ask this question ... if you have been doing this for 30 years ....WHY don't you have the proper tool to do-it-right that costs less than a 10 spot ?
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Re: 727 Front Seal Replacement
[Re: 469runner]
#145749
11/05/08 08:58 AM
11/05/08 08:58 AM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Quote:
Get a screwdriver and knock it sideways, then grab with pliers and pull out. No big deal. Drive new seal in with a mallet ot small hammer evenly. Done deal. I've been doing it this way for 30 years.
that how Ive done it as well. piece of cake. Clean up the mating surface well and use a LIGHT coat or rtv around the outside of the seal. grease the new seals rubber before installing the TC
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Re: 727 Front Seal Replacement
[Re: 69Cuda340S]
#145751
11/05/08 10:40 AM
11/05/08 10:40 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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on the new seal going in I put some vaseline on the back side to keep the round spring from popping off & tap it in evenly with 2 small hammers at 3 o'clock & 9 o'clock & as mentioned sealer(permatex #2 for me)not RTV on the OD & some ATF on the ID.
live every 24 hour block of time like it's your last day on earth
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Re: 727 Front Seal Replacement
[Re: dwbiggs]
#145753
11/06/08 03:53 PM
11/06/08 03:53 PM
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Joined: Feb 2005
Posts: 20,190 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,190
PA.
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Check your converter hub. If its worn or grooved it will never seal.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: 727 Front Seal Replacement
[Re: bobby66]
#145756
11/07/08 10:49 AM
11/07/08 10:49 AM
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Joined: Jan 2003
Posts: 3,031 Erda, UT
67Charger
master
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master
Joined: Jan 2003
Posts: 3,031
Erda, UT
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Don't make the same mistake I did...If you pull the pump, get new washers for the pump bolts. They're coated, and will only seal once. Also, Ultra Grey silicone works wonders in conjunction woth those washers.
11.33 @ 118.46 on motor 10.75 @ 125.35 w/ a little spray Now, high Speed Open Road Racing - Silver State Classic Challenge, Nevada Open Road Challenge, Big Bend Open Road Race Rocky Mountain Race Week 2020, 2022 2.0, Sick Week 2023
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Re: 727 Front Seal Replacement
[Re: dwbiggs]
#145757
11/07/08 12:16 PM
11/07/08 12:16 PM
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Joined: Aug 2004
Posts: 3,333 MARYLAND
69Cuda340S
OP
master
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OP
master
Joined: Aug 2004
Posts: 3,333
MARYLAND
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Quote:
I've had my tranny to shop 3 times in last 10 years...and still leaks out front Just whining...I have no meaningful input to offer.
Try running the trans a little on the low side, like 1 pint low when warm. 727s like to spit fluid out of the front breather and then it looks like the seal is leaking.
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Re: 727 Front Seal Replacement
#145758
11/07/08 12:25 PM
11/07/08 12:25 PM
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Joined: Feb 2005
Posts: 4,884 Michigan
MNobody
master
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master
Joined: Feb 2005
Posts: 4,884
Michigan
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Quote:
Quote:
Get a screwdriver and knock it sideways, then grab with pliers and pull out. No big deal. Drive new seal in with a mallet ot small hammer evenly. Done deal. I've been doing it this way for 30 years.
that how Ive done it as well. piece of cake. Clean up the mating surface well and use a LIGHT coat or rtv around the outside of the seal. grease the new seals rubber before installing the TC
That's the way my Dad taught me to do it, he was a mechanic for 36 year's. Clean up any burr's on the surface after you pry the old seal out, lightly sand the surface to clean it up, a little silicone on the outside of the new seal and tap it in straight.
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Re: 727 Front Seal Replacement
[Re: MNobody]
#145759
11/07/08 02:36 PM
11/07/08 02:36 PM
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Joined: Mar 2006
Posts: 9,910 Eighty Four, PA
B G Racing
master
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master
Joined: Mar 2006
Posts: 9,910
Eighty Four, PA
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Quote:
Quote:
Quote:
Get a screwdriver and knock it sideways, then grab with pliers and pull out. No big deal. Drive new seal in with a mallet ot small hammer evenly. Done deal. I've been doing it this way for 30 years.
that how Ive done it as well. piece of cake. Clean up the mating surface well and use a LIGHT coat or rtv around the outside of the seal. grease the new seals rubber before installing the TC
That's the way my Dad taught me to do it, he was a mechanic for 36 year's. Clean up any burr's on the surface after you pry the old seal out, lightly sand the surface to clean it up, a little silicone on the outside of the new seal and tap it in straight.
If your only changing the seal.Another old trick is to take the spring off the seal,spiral the connection to seperate ends and cut off 1/8" on the female side of the spring and spiral it back together for a tighter squeeze on the converter snout.
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