Right now I am using an old truck radiator to cool my cooling system's water. I have changed the water a few times, but it always ends up yellowish with some particles thanks to the oil and grime in ...

A car's cooling system is like a linebacker — it's the most important component in a car engine's defense system. It ensures the engine runs at optimal temperatures and prevents it from overheating.

Glue a 1-1/2-inch PVC x 3/4-inch FIP adapter (A) onto a female PVC trap adapter (B). Note: This allows you to attach your shop vacuum to 3/4-inch pipe. The barbed fitting (C) connects to 1/2-inch I.D.