4SD
1. Disconnect the negative battery cable..
2. Remove the trunk lid trim..
3. Disconnect the connector.

4. Remove the nuts.
5. While pressing the tabs shown in the figure, pull the high-mount brake light outward and remove it.

6. Remove the high-mount brake light.
7. Install in the reverse order of removal.
5HB
Except Mazdaspeed3
1. Disconnect the negative battery cable..
2. Remove the liftgate upper trim..
3. While pressing the tabs shown in the figure, pull the high-mount brake light outward and remove it.

4. Remove the high-mount brake light socket.

5. Remove the high-mount brake light.
6. Install in the reverse order of removal.
Mazdaspeed3
1. Disconnect the negative battery cable..
2. Remove the liftgate upper trim..
3. Remove the rear spoiler..
4. Remove the screws shown in the figure.

5. Set the pin aside and remove the cover.

6. Remove the screws shown in the figure.

7. Pull out the wiring harness from the rear spoiler.

8. Remove the high-mount brake light.
9. Install in the reverse order of removal.
High Mount Brake Light Disassembly/Assembly
License Plate Light Bulb Removal/InstallationVacuum Line Inspection
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo
1. Remove the vacuum hose..
2. Verify that air can be blown from the power brake unit side of the vacuum
hose towards the intake manifold side, and that air cannot be blown in the opposite
direction.
If there is any malfunction of the inner che ...
Engine Tune Up [Mzr 2.3 Disi Turbo]
NOTE:
If the accelerator pedal is depressed continuously for a specified time,
the engine speed may decrease to the idle speed. This is due to the fuel cut
control operation, which prevents overheating, and it does not indicate a malfunction.
Engine Tune-up Preparation
1. Verify ...
Discharge Headlight Control Module Removal/Installation
CAUTION:
Incorrect servicing of the discharge headlights could result in electrical
shock. Before servicing the discharge headlights, always refer to the discharge
headlight service warnings..
1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Remove t ...