turbine like whirring on acceleration
1998 323ic. Replaced Radiator, water pump, thermostat, belts, hoses, idler and tensioner pulley, fan and fan clutch. Everything seems to work fine with no temperature issues, but now I have this turbine like whirring rushing sound for the first few minutes on the road. Don't hear it at idle but as soon as I take off. It will go away after a few minutes not to be heard again till cold start.
Wonder if it could be a stiff fan clutch that stops once it warms a little. Any ideas out there? Thanks.