Yes. After my call, they contacted the retailer and authorized the refund. The retailer credited my charge card. No hassle.


As far as I know, the glass only forms when the liquid comes in contact with air. So best for coolant leaks to the outside of the engine, not so much for internal, liquid to liquid, leaks.

__________________
Greg
2012 S350 BlueTEC 4Matic
2007 ML 320 CDI
2007 Leisure Travel Serenity
2006 Sprinter 432k
2005 E320 CDI
1998 SLK230 (teal)
1998 SLK230 (silver)
1996 E300D 99k, 30k on WVO
Previous:
1983 240D, on WVO
1982 300D, on WVO
1983 300CD, on WVO
1986 300SDL 237k, 25k on WVO (Deerslayer)
1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix
1983 380 SEC w/603 diesel, 8k on WVO
1996 E300D 351k, 177k on WVO

The fusing to the water flow passages was real on several engines. Again it was a favorite trick of used car dealers. So the amount put into the system is open to real questioning. This was also years ago. It actually looked like a very even and nice glass type coating on the water passages.

Barr's Leak has walnut shell or some other stuff. I would only use it in an emergency. I have tired Blue Devil on a Neon. It slowed down the leak. I did put on a new gasket. I did not replace the torque to yield head bolts. There are the ceramic sealers. Haven't tried them. I think you have to remove radiator fluid, flush, then run the stuff with a mixture, then remove and refill.