C4 Corvette Radiator Drain Plug Location

Some manufacturers are nice enough to give you a belch valve at the top of the heater core perhaps this is the one you d like to use if it isn t there fill the system and pull the top hose long enough to let the air out.

C4 corvette radiator drain plug location. Sorry i don t know the exact location but i think mine is on the passenger side bottom of course. The only drain plug in town is located at the base of the radiator. To check for exhaust leaks into the cooling system drain the system until the coolant level stands just above the top of the cylinder head s ten disconnect the radiator upper hose and remove the thermostat and accessory belt. Crawl under the right front side of the radiator and locate the drain plug.

Learn how to change the coolant in your c4 corvette. Be carefull with the inside thread of the radiator and have another petcock from the part store on hand when you do it. This is the time to consider upgrades. I have read on similar thread before that there is a risk that the petcock will get damaged when you remove it.

Open the hood and remove the radiator surge tank cap located next to the radiator for venting. It will be facing the engine. In this video i go about replacing the original corvette c4 radiator the car came with.