I have created an action where, when I click on an icon on the page, it calls this action and on itself has a redirect to the page itself. The problem is that you are not doing this redirect.
Action:
public function limpar_criterios(){
return $this->redirect('/intercambio/pesquisa_nova');
}
Link that calls:
<a href="/limpar_criterios/inglês"><img src='/img/bandeiras/small_45x31_1.jpg' width="39" height="31" /></a>
The problem with your link is that the controller is clean_criterios and the action is English when in fact clean_criterios is action. Note: try not to use accents in url's.
Create the link using CakePHP HtmlHelper :
$this->Html->link(
$this->Html->image('bandeiras/small_45x31_1.jpg',
array(
'alt' => 'Imagem',
'width' => '39',
'height' => '31'
)
),
array(
'controller' => 'NOME_DO_CONTROLADOR',
'action' => 'limpar_criterios'
),
array('escape' => false)
);