bulletCheck auxiliary A.C. cooling fan operation
bulletIt's very simple: Start the car and turn the air conditioner on.  The fan on the front of the radiator should run as long as the AC is on.
bulletHow's the air conditioner system doing?  Does it cool OK?  Any weird noises or functional problems?
bulletIf so, take it to a pro and get it checked. 
bulletMidas will check it for cheap
bulletThey'll try like hell to sell you something, so be alert.  If any doubts, get a second opinion.