temprture guage

[tony1991]

hi can any one help. relly strange problem when i hit about 70 on the motorway tempreture goes through the roof then when i come of the accelerator it goes straight back down. im pretty sure its not over heating its fine sat in traffic an stuff. i think it could be a sensor any ideas cheers tony

[winterheating]

what is this on

[tony1991]

mk 6 51 plate swb

[winterheating]

clean rad out first, and check you have the correct red antifreeze in, if it is sludged up will be because of incorrect/not enough antifreeze mix.

[tony1991]

yer il give it ago an see that was my first step drain rad first an take it from there thanks

[winterheating]

only small rads on rwd, so can get blocked easily., easy to remove it aswell