task 0 Posted October 23, 2004 my radiator fan starts working way before engine is at normal temp. and it wont let it reach 80 (which is normal temp), why is that, I recently had some idling problems and I noticed that when I disconnected the fan thermo switch and let the tempreture go up to 80 the idle was all fine. :?: Quote Share this post Link to post Share on other sites
Supercharged 2 Posted October 23, 2004 Change the switch... Quote Share this post Link to post Share on other sites
PhatVR6 0 Posted October 23, 2004 try fitting a thermostat first. the water doesn't even go around the rad until it'a at 90 degress. if yors does you have a thermostat fault. i.e. it's stuck oppen, or not even there. Quote Share this post Link to post Share on other sites
Stormin Dave 0 Posted October 23, 2004 I was told by a garage I used a lot when I owned a 16 valver that there are 2 possible thermostats listed for my car which operate at different temperatures. It was a while back now so I can't shed much more light on that, sorry :( . Worth checking out though. Beware of labour costs for changing a thermostat, apparently there a right pig to access. Quote Share this post Link to post Share on other sites
Mike Edwards 0 Posted October 23, 2004 Also, the temperature gauge progressively under-reads with age... Quote Share this post Link to post Share on other sites