Genuine GM (12378255) Fluid 3634621 Cooling System Seal Tablet - Pack of 5: Effectively Stops Leaks, 4 Grams per Tablet Review

I saw these when I went to the Chevy dealership and was curious as to what they were. I ended up going to Amazon and bought them for my 2004 Saturn Ion Redline. My radiator has a very small leak. Also, coolant occasionally dripped out of my water pump housing, causing me to have to add some coolant every 2 weeks. First I flushed the entire cooling system with distilled water. I then drained the distilled water and added about a half gallon of Dex Cool coolant. I crushed all 5 tablets and mixed…

I think they work but only time will tell. I've only driven it 100km. I have a Tahoe 04 with a 5.3 engine. It says 230000. I replaced the water pump last year and after a few months I noticed a coolant leak. Never had to add coolant before the water pump. I can't find a leak anywhere unless it resolves somewhere. Or the water pump is defective. Bought the cheapest autozone. I also change the oil every 3,000km. I'll do anything for this Tahoe. I'm really OCD. Well, after adding coolant for about

I work on Pontiac Buick GMC and Saturn in the 90's and 2000's. I know these pills. Historically they were used to seal porous heads. Since then I've driven over a million miles to work in several Chevy vans and in all of those miles I've found multiple leaks in the cooling system. Some of these are catastrophic. This is exactly the case with my current 2006 with 380,000 miles. I love this man and recently replaced a flex plate because it cracked. If you're unfamiliar with this, it sounds like…