Using this K - series coolant tube block plug is easy. First, make sure your engine is cooled down. Then, remove the existing coolant pipe that leads to the OEM thermostat housing. Install the plug in its place and tighten it securely. When it comes to maintenance, check the plug regularly for any signs of leakage or damage. If you notice any issues, replace the plug immediately. Also, keep it clean and dry to ensure a long lifespan. Be careful not to overtighten the plug during installation as it may cause damage.