Acura RL. Manual - part 579

4. Remove the self-tapping screws, then carefully separate the climate control unit (A) from the climate

control panel (B). Disconnect the connector (C) from the climate control unit. Do not kink or pull on
the wires between the control panel and the control unit. Do not touch the electronic components on
the printed circuit board in the control unit and control panel.

Fig. 117: Identifying Climate Control Unit, Climate Control Panel And Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Install the control unit in the reverse order of removal. After installation, operate the various functions

to see whether works properly.

6. Run the self-diagnostic function to confirm that there are no problems in the system (see GENERAL

TROUBLESHOOTING INFORMATION ).

CLIMATE CONTROL PANEL BULB REPLACEMENT

1. Remove the climate control panel (see CLIMATE CONTROL UNIT

REMOVAL/INSTALLATION ).

2. Remove the bulb(s) with a flat-tip screwdriver.

Fig. 118: Identifying Climate Control Panel Bulbs
Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install the bulb(s) in the reverse order of removal. After installation, operate the various functions to

see whether it works properly.

4. Run the self-diagnostic function to confirm that there are no problems in the system (see GENERAL

TROUBLESHOOTING INFORMATION ).

2007 Acura RL

2005-08 HVAC HVAC - RL

Friday, June 05, 2009 2:25:43 PM

Page 99

DUST AND POLLEN FILTER REPLACEMENT

1. Remove the glove box (see GLOVE BOX REMOVAL/INSTALLATION ).

2. Remove the dust and pollen filter assembly (A) from the evaporator.

Fig. 119: Identifying Pollen Filter Assembly
Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Remove the filter (A) from the housing (B), and replace the filter.

Fig. 120: Identifying Filter And Housing
Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Install the filter in the reverse order of removal. Make sure that there is no air leaking out of the

evaporator.

BLOWER UNIT REMOVAL/INSTALLATION

1. Remove the glove box (see GLOVE BOX REMOVAL/INSTALLATION ).

2. Remove the kick panel (see TRIM REMOVAL/INSTALLATION - DOOR AREAS ).

3. Cut the plastic cross brace (A) in the glove box opening with diagonal cutters in the area shown.

Retain plastic cross brace to be reinstalled later.

NOTE:

Use the grommets (B) and the self-tapping screws by installing plastic
cross brace.

2007 Acura RL

2005-08 HVAC HVAC - RL

Friday, June 05, 2009 2:25:43 PM

Fig. 121: Identifying Plastic Cross Brace And Grommets
Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Remove the wire harness clips (A) and the connector clips (B). Remove the bolts and the glove box

frame (C).

Fig. 122: Identifying Wire Harness Clip, Connector Clips And Glove Box Frame
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Disconnect the connectors (A) from the blower motor, throttle actuator control module subharness,

and dashboard wire harnesses. Remove the connector clip (B) and the wire harness clips (C).

2007 Acura RL

2005-08 HVAC HVAC - RL

Friday, June 05, 2009 2:25:43 PM

Fig. 123: Identifying Wire Harness Clips, Connector Clip And Connectors At Blower Unit
Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Disconnect the connector (A) from the recirculation control motor. Remove the mounting nuts, bolts,

and the blower unit (B).

Fig. 124: Identifying Blower Unit With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Install the unit in the reverse order of removal. Make sure that there is no air leakage.

BLOWER UNIT COMPONENT REPLACEMENT

Note these items when overhauling the blower unit:



The recirculation control motor (A), the blower motor (B), and the dust and pollen filter (C) can be
replaced without removing the blower unit.



Before reassembly, make sure that the recirculation control linkage and door move smoothly without
binding.



After reassembly, make sure the recirculation control motor runs smoothly (see RECIRCULATION
CONTROL MOTOR TEST ).

2007 Acura RL

2005-08 HVAC HVAC - RL

Friday, June 05, 2009 2:25:43 PM

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