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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Heating & Air Conditioning (Service Information)) >> Distribution >> MOTOR, Blower >> Diagnosis and Testing >> Diagnosis And Testing - Blower Motor >> Noise

Diagnosis And Testing - Blower Motor: Noise

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

To determine if the blower motor is the source of the noise, simply switch the blower motor from Off to On. To verify that the blower motor is the source of the noise, unplug the blower motor wire harness connector and operate the heater-A/C system. If the noise goes away, possible causes include: