Radiator fan coming on too often on high speed? Not using A/C


Asked by May 04, 2016 at 12:25 AM about the 2004 Chrysler Sebring LX

Question type: Maintenance & Repair

130000km, 2.7L coolant flushed yesterday, full synthetic oil. didnt seem to
always do this. temperature below half, outside temperature avg 25C.
license plate is infront of fan, i will trying moving it. and i will try
cleaning/checking for debris in front of radiator. Could my thermostat be
stuck? is something shorted? dont wanna have to go to the dealer shooting
in the dark. noticed this 40C last year, but recently I come how after driving
a few minutes an my fan is always on high speed. A/c not in use, there
wouldnt be something clogged as it was flushed? they would have told me
if my thermostate wasn't functoning properly? thankyou

4 Answers


would check the temperature of the radiator with a lazer thermal spot gun..they are like around 25 bucks...you can measure if the temperature exceeds operating temperature...the 295 degree thermostat should be new...we can see if the temperature is higher because the t-stat is plugged....or if you have good coolant flow~


I will look into that thankyou for your help, any chance I'm just paranoid? or is this for sure not suppose to be happening

1 out of 1 people think this is helpful.

inspect the fluids...perhaps it's been more then 4 years before you've had new hoses, new thermostat and cleaned or replaced PVC elbow~ might have these routinely replaced items...the cooling jacket may be buggered up by now with so much service~ perhaps the timing chain is loose and slappy~


Coolant was bleed properly today, engine temperature okay, rad fan is clean nothing obstructing it. New thermostats. No coolant leaks. no error codes come up from a scan gauge. Thermostats is functioning perhaps I'll try replacing that next though, timing chain isn't making any abnormal noises. Pvc would give me an error code no? As well I will look into the cooling jacket

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