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#1
01-18-2007, 12:01 PM
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coolant "stop leak" products
I have to use one of these products in a honda. wanted to know which one to give a try. the coolant is leaking into the engine giving away white smoke. mechanic said it's a leaking head gasket but advised to try one of the "stop leak" prodcuts.
any suggestions on what brand to use that has proven effective ? thnx.
__________________
Whether you think you can or cannot, Either way you're right!. by Henry Ford. 
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#2
01-18-2007, 01:13 PM
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For what it is worth...
...I've had no problems with the standard BarsLeak products, nor have I heard of any.
Many manufacturers recommend or require this product (or one just like it) every coolant change. Cheers! 
__________________
'91 420 SEL @ 199K, '92 SVX @ 181K, '93 SC400 @ 86K, '93 Kaw ZX-11 @ 30K, '87 F250 @ 181K , 2001 Valkyrie Interstate @ 6K, Y2K Honda NightHawk 250 with 1.5K, '88 420SEL I.@ 179K & the 2nd latest, an '88 420SEL II.@ 210K runnin' parts car, '85 F150 300/NP435
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#3
01-18-2007, 02:10 PM
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yea most of the online search comes back giving bars leak a good recommendation. I'll give that a try.
thnx.
__________________
Whether you think you can or cannot, Either way you're right!. by Henry Ford.
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#4
01-18-2007, 08:21 PM
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Best stop-leak I ever saw is GM block sealant. Comes in 2, 4 or 6-tablet packages. Two would probably be enough for the honda. If this stuff won't stop it, nothing will.
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1989 300 SEL that mostly works, but needs TLC Last edited by whunter; 01-19-2007 at 09:43 AM. Reason: my error
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#5
01-18-2007, 08:47 PM
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The cooling system leak stoppers work only on 15psi. When you have leaks in or out of the combustion chamber, those products will not work. You need a new head gasket, and you should probably resurface the head and/or block and get a valve job and timing belt while you are at it.
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'83 240D with 617.952 and 2.88 '01 VW Beetle TDI '05 Jeep Liberty CRD '89 Toyota 4x4, needs 2L-T '78 280Z with L28ET - 12.86@110 Oil Burner Kartel #35 http://i16.photobucket.com/albums/b1...oD/bioclip.jpg
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#6
01-18-2007, 09:01 PM
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Thanks for your input. I used this stuff once and had no problems, but I was always afraid that anything that would stop a leak might also clog something else up.
__________________
" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century  OBK #55 1998 Lincoln Continental - Sold Max 1984 300TD 285,000 miles - Sold The Dee8gonator 1987 560SEC 196,000 miles - Sold Orgasmatron - 2006 CLS500 90,000 miles 2002 C320 Wagon 122,000 miles 2016 AMG GTS 12,000 miles
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#7
01-18-2007, 09:19 PM
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I know you already know this, but the best stop leak product is to fix the leak.
It'll only get worse. Possibly you can't afford it right now, but you're risking disaster by putting it off.
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#8
01-19-2007, 11:18 AM
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Quote:
acura suv has a v6 3.5L engine with similiar situation. how many tables would work in that ? have you used this ? is it better than the other products and how many miles would this usually last ? thnx again.
__________________
Whether you think you can or cannot, Either way you're right!. by Henry Ford.
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#9
01-19-2007, 12:05 PM
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Stop Leaks are temporary BUT, if you are going to use one get one that contains Sodium silicate. This does not have the clogging effect other stop leaks have in areas like heater cores. Sodium silicate turns to a thin glass like substance from your engine heat.
Remember it's temporary.
__________________
BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif 15 VW Passat TDI 00 E420 98 E300 DT 97 E420 Donor Car - NEED PARTS? PM ME! 97 S500 97 E300D 86 Holden Jackaroo Turbo D 86 300SDL (o\|/o)
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#10
01-19-2007, 03:07 PM
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Quote:
However, I did watch this stuff plug a leak that was putting a steady 1/4 in. diameter stream of antifreeze on the shop floor.
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1989 300 SEL that mostly works, but needs TLC
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#11
01-20-2007, 01:12 PM
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Leak sealer can cause problems
Years ago I had a head to block leak on a Plymouth K-car. I tried a sealer, probably Bars-leak. The leak was only temporarily slowed. I eventually had to have the head gasket replaced. It was then that I discovered that the leak sealer had also plugged up the heater core. I had to have the core cleaned out.
 I doubt that leak sealer will help much where the leak is between the cylinder and the coolant passages. It might be ok to try but don't expect miracles and don't use too much or you may have the heater system problem I had. Better to just repair the head gasket problem. 
__________________
1986 300E  1993 Volvo 940 Wagon  1984 Volvo 240 (daughter's)  1976 Dodge 1/2T pickup, gas hog 
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#12
01-20-2007, 01:25 PM
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I used 'Car go Seal-up' in my Benz before I did the head gaskets. Worked really well until I started to beat on it hard one day and the stuff let go. Didn't lose a drop of water in about 5 months. Probably be still working now if I didnt give it italian tune-ups every time I took it out.
Ben.
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Ben '85 500 SEL '85 928S2 '88 560 SEC '90 750i
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#13
01-20-2007, 02:02 PM
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On my 190e, my heater core started leaking, after extensive research, I tried a stop leak (available from Shucks, don't remember the name of it, clear bottle, silver metallic stuff inside). I followed the instructions and it stopped my heater core leak, after a couple of days, flushed the readiator to get rid of the excess. I had the car for an additional 2 years before I sold it, never once did it leak again.
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#14
01-20-2007, 02:03 PM
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Look at $$$$$
Quote:
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