the fans come on when there suppose to and the car will drive fine but if i drive 20 min on the freeway and stop at a light my car will overheat but the thing is if i revv the engine the car cools down ....i already changed the t. stat . radiator , and even the waterpump 6 months ago anybody have any ideas what could be causing this anything would help thanks in advance.

 

8

 

Have u bled the air bubbles out the coolant system?

 

Maybe ur water pump is at fault. Did u add enough radiator fluid? Is it leakin? What kind of radiator fluid did u use?