New Radiator Installed

[mitchamafied]

I have my new radiator on.
What do i need to prepare it for use.
So do i need to prime the radiator itself, not just the reservoir with fluid?

[kommon_sense]

You need to fill both. Crank car. Allow it to run long enough to have the cooling fan kick on twice. Turn it off, let it cool. Once cool, check the fluid level in the reservoir and top it off. You will need to keep an eye on the coolant level in the reservoir for a few days as the air naturally bleeds out of the system.