Guest Posted December 21, 2015 Share Posted December 21, 2015 Hi, can someone tell me the normal temperatures of the 1.8 TDCI in a Mk2.5 Focus? But i mean the real temperature.. So not the gauge in the dash. I want the real temperature which you can read with a obd device.. Mine is (outside temp. ~0-5°C) at normal driving (60mph) between 65-75°C. Was wondering if this is normal (Dash-gauge shows as usual steady 88°C.. thought a broken thermostat would affect the gauge). Greetings Quote Link to comment Share on other sites More sharing options...
Dee_82 Posted December 21, 2015 Share Posted December 21, 2015 Real temp of what? coolant which is what the gauge on the dash attempts to display, or oil? Quote Link to comment Share on other sites More sharing options...
Guest Posted December 21, 2015 Share Posted December 21, 2015 Real temp of what? coolant which is what the gauge on the dash attempts to display, or oil? Coolant... But not the gauge in the dash... thats not the real coolant temperature! its a calculated value and it's centered once it's at 88°C. So you have to read the >real< coolant temperature via obd Quote Link to comment Share on other sites More sharing options...
artscot79 Posted December 21, 2015 Share Posted December 21, 2015 Its a diesel so it will run cooler in this weather Quote Link to comment Share on other sites More sharing options...
Guest Posted December 21, 2015 Share Posted December 21, 2015 Its a diesel so it will run cooler in this weather But is 65-75 normal? It will never use the big coolant circle... Quote Link to comment Share on other sites More sharing options...
iantt Posted December 21, 2015 Share Posted December 21, 2015 No is the answer, should keep warming( will take longer in winter) until the thermostat opens at around 88c , then cold radiator coolant will start to circulate, and thermostat will close again, reapeating this. So, 88 to 90 normal Quote Link to comment Share on other sites More sharing options...
Guest Posted December 21, 2015 Share Posted December 21, 2015 No is the answer, should keep warming( will take longer in winter) until the thermostat opens at around 88c , then cold radiator coolant will start to circulate, and thermostat will close again, reapeating this. So, 88 to 90 normal okay, so my thermostat seems to be broken..? but i touched the upper water pipe to the coolant after about 10km.. it was freezing cold btw: after 15-20km i have 60 °C and after 25km its always between 65-75. after i drive 5km with 200-210kmh then it raises to 88°C and never goes higher. then it sinks to 65-75 when driving normal again Quote Link to comment Share on other sites More sharing options...
iantt Posted December 21, 2015 Share Posted December 21, 2015 Dont know how long your car will take to get to get thermostat to open, the colder the temp of coolant before engine is started the longer and more km to warm up. An example is my car, I have petrol 1.0 ecoboost and with outside temp of 10c it takes 7 miles(11km? ) to get to 90c, diesels normally take longer Quote Link to comment Share on other sites More sharing options...
iantt Posted December 21, 2015 Share Posted December 21, 2015 Does sound like thermostat is opening early still. Quote Link to comment Share on other sites More sharing options...
Guest Posted December 22, 2015 Share Posted December 22, 2015 Does sound like thermostat is opening early still. So this should be changed in future... Easy to change on the 1.8 tdci? Quote Link to comment Share on other sites More sharing options...
iantt Posted December 22, 2015 Share Posted December 22, 2015 Yep , easy enough. 3 bolts or screws holding housing on Quote Link to comment Share on other sites More sharing options...
Guest Posted December 22, 2015 Share Posted December 22, 2015 Yep , easy enough. 3 bolts or screws holding housing on Great thanks! Quote Link to comment Share on other sites More sharing options...
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