The Essential Radiator Stop Leak Protect Engines, Prevent Overheating

I've used Bar's Leaks which is pretty decent but I only use it when I can't find KB brand sealer which I've used with great results. In my experience none of the products (Barr's Stop Leaks was one IIRC) you have in mind work long-term. However they might work in the short ... Radiator stop leak may as well be called RIP car. JRL & cattlecar are correct. It kills radiators and clogs up your engine cooling channels. In ... K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required That stuff is meant to stop leaks so that means it likes to plug things too. Best wishes on the radiator change. If you know how to get the fan ... More than likely your leak iswhere the coolant line comesoff the top of yer heat exchanger thru the tunnel and across the front of yer fuel tank ... I use stop leak all the time, though as Clair said, I don't use it as a legit fix, only till I can get my leaks sorted. For small leaks, yeah ... The best radiator stop leak money can buy. Scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Bars Leaks is the only stuff that really works. Has been around since the 1940's. It is advisable to add to coolant. Also lubricates water pump ... AlumAseal radiator sealant worked best for me. But this is a last resort action to be used in an emergency only. It is a temporary fix to stop ...