Posts Tagged: what coolant to use

Is DexCool bad

The truth about DexCool coolant Mechanics say they hate DexCool and blame it for all kinds of problems. Most aren’t the fault of DexCool. Here’s the REAL scoop on Dex-Cool and coolants in general. First some coolant history Most of the older green coolants were silicate based. The coolant’s job is to prevent freezing and cooling system corrosion. In the case of the green coolants, the silicates deposit a thin film of anti-corrosive material on metal surfaces to “PASSIVATE” them. There are two problems with silicate. First, it’s somewhat abrasive, … Read More