The fan clutch nut is reverse threaded.
E46 m3 fan clutch noise.
Fan speed will increase.
It still provides cold air but i jus.
Engagement is distinguishable by a definite increase in fan flow noise roaring.
Bmw e46 heater blower resistor fsr removal and diagnose 320i 323i 325i 328i 330i m3 duration.
Nathan s bmw workshop 100 504 views.
It normally squeals a bit when its on and idling at a light.
Enter a new vehicle best seller in cooling water pump tools.
Within ten minutes the air temperature should be up to 88 c 190 f.
3 6 remove fan using the e46 m3 water pump locking tool 001170sch01a and a 32mm wrench.
Max recorded noise 92 1db.
E46 m3 loud fan noise duration.
It turns out the fan clutch had failed.
Spin the fan to unscrew a little faster but make sure you don t let the fan drop.
How to diagnose bmw bad fan clutch e34 e36 e38 e39 e46 e53 duration.
Lock in the water pump pulley and unscrew using the 32mm wrench.
Enter a new vehicle to add it to your garage and filter the results below.
Use an infrared temperature gun to measure fan clutch temperature.
Fan clutch engagement should have started to occur between 88 to 90 c 190 to 194 f.