Coolant expansion tank question.
Should I tie into the top hose, bottom hose, or even the heater hose bypass? On my 08 silverado it has two 5/8 fittings, one goes straight to radiator thee other goes to the heater hose. So what do you all suggest?
Here is a link
http://www.pirate4x4.com/tech/billav...CoolingSystems



