A head gasket is a crucial component of your vehicle's engine, sealing the engine block and cylinder head to prevent coolant and oil from mixing. When a head gasket fails, it can cause various ...

Head gasket sealer is a product that's supposed to temporarily fix a leaking head gasket. It works by plugging the tiny holes in your engine's cylinder head and restoring compression. When done ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...