Originally Posted by GJSmackdown
Best bet is to take it to a garage and have a full service cooling flush done on it, exspecially if one's never been done before. It'll take care of your problem immediately instead of replacing one part at a time to find the issue.
We're not trying to tell him to replace all these parts, but rather where to look for possible problems, so he doesn't have to take the car to a mechanic and get charged an arm and a leg for something he could have done himself.
Cooling systems are very basic and easy to diagnose, unlike say wiring problems. I think if he took the time to register and post here and ask for help he should get it. After all, if everyone took their car to the mechanic all the time what would be the purpose of having this Forum? cheers