i'm the guy that responded to the previous request for help with your info in question.
Stop leak....of the "Bar's Leaks" variety....is ground walnut shells. this is the ONLY stuff i have ever used or recommend---BUT with some notes of me being a former wrench-head mechanic:
1) The only one to use is "Bar's Leaks" in the small, tiny 4-oz bottle of liquid.
2) Shake very well immediately before pouring.
3) ONLY use 1 tablespoon...borrow wife's measuring spoon set or rip it off from the kitchen drawer.
4) ONLY pour in a nicely warm and idling engine.
5) Only pour in radiator...the overflow bottle ain't the right area.
6) USE ONLY for stopping very small leaks, like a weeping seal or wet area around metal surfaces that are just a little wet from leaking coolant....small dribbles out of radiator are also good candidates. run engine/drive for at least 20-30 minutes after pouring in.
7) This is the only stuff that is non-toxic.
8) it is used by GM, Chrysler, Mercedes, and a host of other builders on their assembly line to cure piss-poor gasket misalignments....can't have leaks when leaving the line or being sold to customers.....
9) It will stop a head gasket that is leaking...and help you keep happy motoring until you need something else major done.
10) NEVER NEVER use anything else but the above, and only 1 tablespoon!!! Yes, pour enough of it in and you will proabably clog something...
here's how it works:
when wet/in liquid, it is very small and disperses in coolant. when it hits a spot that is leaking....it will dry, and swell about 15% in volume. it will dry nice and hard, providing an excellent seal. in the head gasket area, it will carbon up and stop small head gasket leaks. it is also a good trick for old radiator necks that just can't quite stop leaking hoses regardless of how tight the clamps are. it will usually do the trick in a 30-minute driving session.
Personally, I've had to use some on most of the vehicles i've owned once mileage got really high, and I coul'nt' stand coolant leaks. again. only use this stuff and in a very small amount.
it will work
use only small amount as i stated above
only use this stuff...I have never seen anything else truly work like this.
Also, go to bar's leaks web site....they have pretty good info.
it is also a GM and chrysler and ford and mercedes part number if you want to spend big buck$ at the dealership.