Auxiliary Blower Motor Replacement without E59

1. Remove the accessory panel. Refer to Rear Accessory Panel Replacement in Interior Trim.



2. Remove the screws from the hinged cover.
3. Remove the cover from the rear trim panel.
4. Release the tabs and pull out the trim panel.
5. Disconnect the auxiliary blower motor electrical connector.
6. Disconnect the auxiliary blower motor resistor electrical connector.
7. Disconnect the auxiliary air temperature actuator electrical connector.



8. Remove the auxiliary blower motor mounting screws.
9. Remove the auxiliary blower motor from the blower motor housing.

1. Install the auxiliary blower motor to the blower motor housing.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the auxiliary blower motor mounting screws.

Tighten
Tighten the screws to 1.6 N·m (14 lb in).

3. Connect the auxiliary air temperature actuator electrical connector.
4. Connect the auxiliary blower motor resistor electrical connector.
5. Connect the auxiliary blower motor electrical connector.



6. Install the trim panel and press firmly into the tabs.
7. Align the cover and fasten the screws.

Tighten
Tighten the screws to 2.5 N·m (22 lb in).

8. Install the accessory panel. Refer to Rear Accessory Panel Replacement in Interior Trim.

Auxiliary Blower Motor Replacement with E59

1. Remove the left lower quarter trim panel. Refer to Rear Quarter Lower Trim Panel Replacement in Interior Trim.
2. Disconnect the auxiliary blower motor electrical connector.
3. Disconnect the auxiliary blower motor resistor electrical connector.
4. Disconnect the auxiliary air temperature actuator electrical connector.
5. Remove the auxiliary HVAC module assembly mounting bolts and nut.

Tilt the auxiliary HVAC module assembly toward the center of the vehicle.

Important: The auxiliary blower motor must be removed with the blower motor housing.

6. Remove the auxiliary blower motor housing screws.



7. Lift the auxiliary blower motor housing and remove from the HVAC module assembly.



8. Remove the auxiliary blower motor mounting screws.
9. Remove the auxiliary blower motor from the blower motor housing.

1. Install the auxiliary blower motor to the blower motor housing.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the auxiliary blower motor mounting screws.

Tighten
Tighten the screws to 1.6 N·m (14 lb in).




3. Install the blower motor housing to the auxiliary HVAC module assembly.

Align the rear tabs of the blower motor housing to the HVAC module.

4. Install the auxiliary blower motor housing screws.

Tighten
Tighten the screws to 1.6 N·m (14 lb in).

5. Reposition the auxiliary HVAC module assembly.
6. Install the auxiliary HVAC module assembly mounting bolts and nut.

Tighten
Tighten the bolts and nut to 10 N·m (89 lb in).

7. Connect the auxiliary air temperature actuator electrical connector.
8. Connect the auxiliary blower motor resistor electrical connector.
9. Connect the auxiliary blower motor electrical connector.
10. Install the left lower quarter trim panel. Refer to Rear Quarter Lower Trim Panel Replacement in Interior Trim.