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#1248746 - 10/02/08 08:54 PM Best stop leak for transmission
kcryan Offline


Registered: 12/17/04
Posts: 536
Loc: Rochester NY
Hey,

My 1998 Infiniti I30 automatic is leaking sporadically, one out of maybe every 10 times i park, i'll find a large puddle of trans fluid under the car. The dealer says its a seal thats very tough to get to, might as well replace trans. I'd rather try to buy some time with a stop leak.

What do you guys suggest?
_________________________
92 Cad. ALLANTE
98 Infin. I30
03 Nissan Xterra
03 Infin. Qx4
04 BMW 325I

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#1248784 - 10/02/08 09:37 PM Re: Best stop leak for transmission [Re: kcryan]
buickmaster Offline


Registered: 12/15/06
Posts: 142
Loc: Cleveland, OH
i'd try a bottle of auto-rx. but it also depends on the size of the leak and whether the seal is actually damaged.

i put some in my manual tranny that has a leak from the drivers axle seal and it has slowed considerably. it used to leave small spots on the ground but now thats gone. the leak hasn't completely stopped because i can still see it on the case, but it is a lot better.

edit- this is 500mi in.


Edited by buickmaster (10/02/08 09:39 PM)
_________________________
1991 Mitsubishi Galant VR4 - 2.0L 4G63T/4WD/4WS (me)
196k mi - M1 0W40/5W50 Mix

2012 Kia Forte - 2.0L Theta II (wife)
2500 mi - OEM

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#1248831 - 10/02/08 10:18 PM Re: Best stop leak for transmission [Re: buickmaster]
stroked93 Offline


Registered: 09/24/06
Posts: 248
Loc: midwest
Trans-X they sell 2 size bottles you want the smaller one for fwd. I have been selling it for 10 years and used it myself several times with success! all of your parts houses will have it.

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#1248943 - 10/03/08 05:22 AM Re: Best stop leak for transmission [Re: stroked93]
Spector Offline


Registered: 06/10/02
Posts: 3416
Loc: Chattanooga, TN
My experience is that like most stop leaks,if they work (rarely) they are only a temp fix.

Also, get a second opinion from an independent reputable tranny place on the fixing of the leak

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#1249320 - 10/03/08 02:33 PM Re: Best stop leak for transmission [Re: kcryan]
dargo Offline


Registered: 11/16/06
Posts: 303
Loc: USA
 Originally Posted By: kcryan
Hey,

My 1998 Infiniti I30 automatic is leaking sporadically, one out of maybe every 10 times i park, i'll find a large puddle of trans fluid under the car. The dealer says its a seal thats very tough to get to, might as well replace trans. I'd rather try to buy some time with a stop leak.

What do you guys suggest?


Bars stop leak for least $$$ upfront.

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#1249332 - 10/03/08 02:50 PM Re: Best stop leak for transmission [Re: dargo]
Trav Offline


Registered: 11/20/06
Posts: 16528
Loc: MA, Mittelfranken.de
I would try ARX first.If its just dirt or a stiff seal causing the leak ARX will clean it without blowing the seal up like an elephants trunk.If its ripped nothing short of replacing it will fix it anyway.ARX is harmless to the internals,well worth the money.Give it time to work.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#1249430 - 10/03/08 04:58 PM Re: Best stop leak for transmission [Re: Trav]
dargo Offline


Registered: 11/16/06
Posts: 303
Loc: USA
There are several products that work.

I cannot say the best or I like for reasons outside this post.

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#1249511 - 10/03/08 06:58 PM Re: Best stop leak for transmission [Re: dargo]
Frank Offline


Registered: 05/28/02
Posts: 2164
Loc: Jacksonville Beach Fl
ARX. and Transmission Cleaning.
The application for an automatic transmission of a passenger car or light truck, is to run the 6 fluid ounces for 1000 miles before purging the old fluid out with new fluid. This will guarantee that all deposits are suspended in the old fluid before purging. It is not advisable to add the 6 fluid ounces and run for 30,000 miles in a transmission that may be dirty. Filtration is somewhat non existent in many automatic transmissions, other than a small magnet. It is not advised to circulate dirty fluid much longer than the recommended 1000 miles.
During a normal application while ARX dissolves the oxidized fluid deposits, some gear filings or overdrive clutch wear deposits may be attached to the oil deposits, which will become liberated, as the oil phase is dissolved.
If the transmission is spotless clean I would have no problem running ARX in the transmission for much longer than the 1000 miles. But the only way to verify a spotless tranny is to tear down. So in reality I advise that the stock instructions is the way to go.
Rich

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#1249516 - 10/03/08 07:00 PM Re: Best stop leak for transmission [Re: Frank]
Frank Offline


Registered: 05/28/02
Posts: 2164
Loc: Jacksonville Beach Fl
Our experience is a clean transmission is not going to have leaks unless a seal is ripped or torn. Since we don,t swell seals odds are we can make them work properly.

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#1259149 - 10/16/08 10:17 PM Re: Best stop leak for transmission [Re: Frank]
buickmaster Offline


Registered: 12/15/06
Posts: 142
Loc: Cleveland, OH
just to add. 1000mi now done and axle seal leak is gone. thanks auto-rx. will changing the fluid this weekend.
_________________________
1991 Mitsubishi Galant VR4 - 2.0L 4G63T/4WD/4WS (me)
196k mi - M1 0W40/5W50 Mix

2012 Kia Forte - 2.0L Theta II (wife)
2500 mi - OEM

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#1259152 - 10/16/08 10:19 PM Re: Best stop leak for transmission [Re: buickmaster]
Saturn_Fan Offline


Registered: 01/06/08
Posts: 2512
Loc: America's Dairyland
 Originally Posted By: buickmaster
just to add. 1000mi now done and axle seal leak is gone. thanks auto-rx. will changing the fluid this weekend.


Wow, that is amazing. Auto-RX is the BEST product in the whole wide world.
_________________________
08 Toyota Corolla CE, 20K miles, 1ZZ-FE 1.8L, Castrol Edge 5w-30 & M1 EP filter
00 Saturn SL, 108K miles, 1.9L, Pennz Plat 5w-30 & M1 EP filter

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#1355845 - 01/28/09 11:56 PM Re: Best stop leak for transmission [Re: Saturn_Fan]
TLC3 Offline


Registered: 11/20/08
Posts: 14
Loc: Alabama
Lucas hands down I have proven it stopped leak and smoothed shfting in two of my trucks.

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