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Engine radiator auxiliary fan problem

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Old 01-11-2018, 11:45 PM
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W203 C240
Engine radiator auxiliary fan problem

is it possible to make the fan run even if the ac compressor is not working ? Because it doesnt really kick in at all unless if i unplug the socket from the engine coolant temperature sensor it runs really high but the car doesnt idle and run properly .... please advice thanks
Old 01-12-2018, 12:51 PM
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not a merc
Why do you want it to kick in earlier? Or without AC, does the car overheat?
It's designed to run efficiently as possible so it may run very slowly just to keep the temp under control.
Old 01-13-2018, 02:51 AM
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W203 C240
Originally Posted by Russell Ormerod
Why do you want it to kick in earlier? Or without AC, does the car overheat?
It's designed to run efficiently as possible so it may run very slowly just to keep the temp under control.
yes because the car does overheat and the traffic here in philippines and heat is bad
Old 01-13-2018, 06:42 PM
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Then u have another problem. What does the engine temp reach
Old 02-18-2018, 04:12 AM
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Originally Posted by Russell Ormerod
Then u have another problem. What does the engine temp reach
almost 100 in temp guage
Old 02-19-2018, 12:13 AM
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Almost 100 sounds normal. Otherwise first replace the thermostat
Old 02-19-2018, 10:55 AM
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Originally Posted by Russell Ormerod
Almost 100 sounds normal. Otherwise first replace the thermostat
it stays around 96•C

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