hey up first time on these forums!!helo all!!have a problem with my golf 1.6 overheating probs after long run needle went way over 90 fan did not kick in checked all the hoses, the bottom hose coming from the termosat was cold so was the rad.so i replaced the thermostat!!! only no joy still the same read the manaul and it says it has 2 sensors. im stuck wonder if any one had any ideas and wud the temp sensor be a problem for the thermostat not opening or wud it be something else im not aware off?