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#2247789 - 04/30/11 02:40 PM Oil leak stopping additives??
Lead Shoes Offline


Registered: 03/03/10
Posts: 2435
Loc: Mn
So I have oil leaking from what I believe to be my rear main on my Honda Civic, I used UV dye and found oil coming out of my transmission bell housing gasket, and my clutch slips some days and not others probably because it has oil on it.. and the rear main is about the only way it would get in there. Its not a bad leak, I lose maybe a quart every 1500 miles, I was wondering do oil leak stopping additives work? and which one would be best for my application?
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1992 325i BMW 183k
1999 BMW M3 98k
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#2247800 - 04/30/11 02:56 PM Re: Oil leak stopping additives?? [Re: Lead Shoes]
Towncivilian Offline


Registered: 01/07/11
Posts: 918
Loc: Florida, USA
Stop leak additives are generally just oil thickeners which just mask the problem. Some have had good experiences with Valvoline Maxlife oil, which contains seal conditioners to slow or stop leaks.
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2009 G5 - PU 5W-30/XG9018
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#2247805 - 04/30/11 03:08 PM Re: Oil leak stopping additives?? [Re: Towncivilian]
rshunter Offline


Registered: 02/02/09
Posts: 1928
Loc: Ohio,USA
Originally Posted By: Towncivilian
Stop leak additives are generally just oil thickeners which just mask the problem. Some have had good experiences with Valvoline Maxlife oil, which contains seal conditioners to slow or stop leaks.

+1

Do a MaxLife oil change and let it do its thing. Your Civic is the perfect example of a vehicle that would benefit from a HM oil, with 200K miles on the clock.
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#2247806 - 04/30/11 03:10 PM Re: Oil leak stopping additives?? [Re: Lead Shoes]
mikered30 Offline


Registered: 09/10/05
Posts: 1442
Loc: PA
ATP re-seal works ok.

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#2247812 - 04/30/11 03:25 PM Re: Oil leak stopping additives?? [Re: Lead Shoes]
mongo161 Online   content


Registered: 07/11/10
Posts: 3586
Loc: Ponte Vedra Beach, FL
Maybe just repair the leak and change the gasket.
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#2247816 - 04/30/11 03:30 PM Re: Oil leak stopping additives?? [Re: Lead Shoes]
Lead Shoes Offline


Registered: 03/03/10
Posts: 2435
Loc: Mn
Well I'm replacing the clutch, pressure plate, flywheel, throwout bearing, and input shaft bearing this summer I was just looking for a band aid that worked..


Edited by Brenden (04/30/11 03:34 PM)
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1992 325i BMW 183k
1999 BMW M3 98k
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#2247833 - 04/30/11 03:58 PM Re: Oil leak stopping additives?? [Re: Lead Shoes]
Bluestream Offline


Registered: 09/13/03
Posts: 5666
Loc: Waterloo, ON
Try one of the high mileage oils' they have seal swell agents in them.
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#2247885 - 04/30/11 05:44 PM Re: Oil leak stopping additives?? [Re: Lead Shoes]
glum Offline


Registered: 02/03/11
Posts: 820
Loc: Charlotte, NC
No, they don't have "seal swell agents" in them.
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#2248329 - 05/01/11 07:58 AM Re: Oil leak stopping additives?? [Re: glum]
Bluestream Offline


Registered: 09/13/03
Posts: 5666
Loc: Waterloo, ON
Originally Posted By: glum
No, they don't have "seal swell agents" in them.


Ya, they do.

From Valvoline Max Life Synthetic blend bottle:
"Seal conditioners help reduce oil consumption and leaks"

From QS Higher milage engine oil bottle:
"Reduces oil consuption through worn or leaking seals"
_________________________
2000 Cavalier 2.2 A4
2000 VW Beetle 1.8T M5
2000 Ford Explorer 4.0 4X4
1991 BMW 735iL
"A fool and his money are soon parted" - Thomas Tusser

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#2248335 - 05/01/11 08:05 AM Re: Oil leak stopping additives?? [Re: Lead Shoes]
demarpaint Offline


Registered: 07/03/05
Posts: 26781
Loc: NY
Read up on this. It is for leaks as well as oil burning, the company has a solid reputation too. It's worth looking into.

http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2221694#Post2221694
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#2248419 - 05/01/11 10:38 AM Re: Oil leak stopping additives?? [Re: Lead Shoes]
ltslimjim Offline


Registered: 08/06/10
Posts: 5505
Loc: WatUpDoc
^I agree. +1. Add a bottle of that as per the instructions with a good conventional for a trial run.
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#2248724 - 05/01/11 04:57 PM Re: Oil leak stopping additives?? [Re: Lead Shoes]
EricF Offline


Registered: 07/14/09
Posts: 1640
Loc: SF Bay Area
Definetely try Re-Seal by ATP.. it's not a thickener and I have real world results from it.
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1993 Ford Ranger XLT 4.0L 4x4 (240k) 5W-30 Synpower
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2012 Ford Fusion SE 2.5L (39k) 5W20 M/C Semi Syn

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#2249254 - 05/02/11 10:48 AM Re: Oil leak stopping additives?? [Re: Lead Shoes]
adamrc Offline


Registered: 06/04/05
Posts: 176
Loc: Nashville, TN
The only success I've had with any stop leak product is Lubro Moly Oil Saver. I highly recommend it.

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#2249255 - 05/02/11 10:49 AM Re: Oil leak stopping additives?? [Re: Lead Shoes]
Nick R Offline


Registered: 07/14/09
Posts: 11079
Loc: Albany, NY
1. Mix some random ingredients together.
2. Call it oil additive
3. ????
4. PROFIT
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2013 Ford Focus SE 2.0L/80,000miles/Motorcraft Blend 5W-20/FL910S

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#2249535 - 05/02/11 04:37 PM Re: Oil leak stopping additives?? [Re: Lead Shoes]
Lead Shoes Offline


Registered: 03/03/10
Posts: 2435
Loc: Mn
Im going with the Lubro Moly Oil saver, see what it gets me, its the only one I really found with a solid reputation, ill post back after the suggest 1k miles for it to do its thing.
_________________________
1992 325i BMW 183k
1999 BMW M3 98k
2x Castrol 0w40/Mahle


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