How do I replace the ac/heater blower moter? - 2005 Mercury Grand Marquis

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Removal & Installation

1. Before servicing the vehicle, refer to the Precautions section.
   
2. Disconnect battery negative cable from battery and properly isolate to prevent accidental reconnection.
   
3. Disengage the wire harness connectors from the retainer.
   
4. Disconnect the blower motor electrical connector.
   
5. Remove the motor cooling hose.
   
6. Remove the screws and remove the blower motor.
   
   NOTE

   Prior to removing a wheel that is to be reused, clean any corrosion from the blower motor shaft to prevent damage to the wheel mounting shaft.
   
   

7. Remove the wheel from the blower motor as follows:
   
   • Remove the push clip.
     
   • Remove the wheel from the blower motor.
     

Blower motor cooling hose

Blower motor mounting plate

To install:

1. Install or connect the following:
   
   • Wheel to the blower motor, if removed.
     
   • Blower motor and securely tighten the screws.
     
   • Motor cooling hose
     
   • Blower motor electrical connector
     
   • Wire harness retainers