ireynolds Posted January 11, 2010 Posted January 11, 2010 My car runs fine generally, although recently it has been getting hotter when sat in traffic. When moving it seems fine. The temp guage has gone up to the red, but then drops down again, sometimes without even driving,.... I assume I have an airlock or broken Thermostat. When checking the levels in the reservoir the other day, I noticed that one fan was on constantly (as soon as the engine started) Is this normal if the engine is still warm?...them temp guage wasnt on the idle level at that point. Whats the easiest way to get to the thermostat...is it something I can do myself? And where would you recommend getting one from? Thanks Quote
Mark@Abbey m/s Posted January 11, 2010 Posted January 11, 2010 Has the car got a CEL on all the time? If 1 fan is running it means there is a problem? Mark Quote
ireynolds Posted January 11, 2010 Author Posted January 11, 2010 CEL? no lights are showing on the dash board when I start it up. or when I drive (apart from traction control due to the weather!! ) Quote
rtbiscuit Posted January 11, 2010 Posted January 11, 2010 i'd possibly suggest bleeding the coolant and re topping up. set you back about £30 for the coolant. Quote
ZMANALEX Posted January 11, 2010 Posted January 11, 2010 The thermostat is at the front of the engine and fairly easy to get at but I would think that the issue may be more connected to your fans. Quote
Mark@Abbey m/s Posted January 11, 2010 Posted January 11, 2010 so good he said it twice.....LOL Does the heater blow hot or cold air even when on the maximium heat position? May need bleeding if the above is relevant? Mark Quote
ireynolds Posted January 11, 2010 Author Posted January 11, 2010 Thanks for all your answers. When the car is running on the motorway (ie not stationary for any period) it blows hot air when hot - cold air when set to cold. eg works as it should. When the car is stationary...the air is only ever cool....whatever the temperature its set to. I will bleed the system at the weekend...and possibly buy a new thermostat...any ideas where to get one? (cheapest?) Quote
Lincolnbaggie Posted January 12, 2010 Posted January 12, 2010 Doesn't one fan run constantly if the air-con is on? Pretty sure mine does Quote
Mark@Abbey m/s Posted January 12, 2010 Posted January 12, 2010 If the heater is intermitent , I would say you have an air lock , I would try bleeding the system 1st thou , it is a problem with the 350z the cooling system is a little to complicated with water pipes higher than the radiator. Mark Quote
ireynolds Posted January 12, 2010 Author Posted January 12, 2010 Is there a walk through on bleeding the system. I can work with walkthroughs but I am no mechanic. Quote
M13KYF Posted January 13, 2010 Posted January 13, 2010 Is there a walk through on bleeding the system. I can work with walkthroughs but I am no mechanic. download the service manual viewtopic.php?f=35&t=2945 should be in there a how to Quote
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