C4 Corvette Radiator Drain Plug Location

Crawl under the right front side of the radiator and locate the drain plug.

C4 corvette radiator drain plug location.

Open the hood and remove the radiator surge tank cap located next to the radiator for venting. Open the air bleeder screws located at the water pump and. Be carefull with the inside thread of the radiator and have another petcock from the part store on hand when you do it. In this case i opted to insta.

In this video i go about replacing the original corvette c4 radiator the car came with. Learn how to change the coolant in your c4 corvette. The only drain plug in town is located at the base of the radiator. Place a drain pan under the drain plug and then turn the radiator drain plug.

I have read on similar thread before that there is a risk that the petcock will get damaged when you remove it. 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. Sorry i don t know the exact location but i think mine is on the passenger side bottom of course.