Originally Posted by Toe Knee

chances are you got the same prob my clio has, got my dad 2 flush it with a jetwash and no joy, i did it myself a couple days ago thru both holes loads of times and its now slightly warmer than it is!!! chances are theres still loads of gunk in the matrix so water is passing thru but its not radiating the heat properly!! if their easy to chance on a cav then its worth just changing it!! was gonna on the clio but its a dash out job which is a cnut to do

Someone on here suggested stucking 1/2 cup of washing powder to clean it all out leaving it to run bout 1.2 hr but have yet to try it