HVAC

Climate Control Unit Removal/Installation [Manual Air Conditioner]

3steps
~18min
2/5difficulty
Done 0 of 3

1. Disconnect the negative battery cable..

2. Remove the following parts:

a. Upper panel.

b. Shift lever knob (MTX).

c. Selector lever knob (ATX).

d. Shift panel.

e. Side wall.

f. Console.

g. Front scuff plate.

h. Front side trim.

i. Dashboard under cover.

j. Glove compartment.

k. Hood release lever.

l. Lower panel.

m. Center panel.

n. Audio unit.

o. Shower duct (driver-side).

3. Remove in the order indicated in the table.



  1. Screw

  2. Climate control unit

    (See Climate Control Unit Removal Note.)

    (See Climate Control Unit Installation Note.)

  3. Connector


4. Install in the reverse order of removal.

Climate Control Unit Removal Note

1. Disconnect each wire to links and remove it to the wire clamps.


2. Pull out the air mix wire and airflow mode wire from the dashboard.


Climate Control Unit Installation Note

1. Pass each wire through the hole on the dashboard as shown in the figure.


2. Route each wire as shown in the figure.


3. Connect the climate control unit connector.

4. Connect each wire to links and install it to the wire clamps.


5. Verify that the dial is turned fully from one end to the other.

Test yourself

A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.