exterior temp sensor??

[Cl2 RSA B]

ever since owning my corsa, the temp sensor has alreadys read on the mfd as --:--??

i have noticed the sensor is between the front bumper and the rad, in the centre and its the only wire there. how do i replace the sensor so that i can get outside temperature reading?? what do i remove to get to the sensor?? bumper?? the space between the rad and bumper is very limited, not enough space.... any ideas?? any how-to-guides?? cheers...

[robclowes]

have you tried removing grill?