Airflow Inspection
1. Remove the vacuum hose..
2. Blow air into the vacuum hose using your mouth from the vacuum pump side and verify that the air flows to the intake manifold side, then blow air from the intake manifold side and verify that the air does not flow to the vacuum pump side.

If there is any malfunction in the check valve, replace it with the vacuum hose as a single unit..
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
Compression Inspection [Mzr 2.0, Mzr 2.5]Customer Assistance (Mexico)
Your complete and permanent satisfaction is our business. We are here to
serve you. All
Authorized Mazda Dealers have the knowledge and the tools to keep your Mazda
vehicle in
top condition.
If you have any questions or recommendations for improvement regarding the
service of
your Mazda ...
Liftgate Hinge Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear scuff plate.
b. Rear seat cushion.
c. Rear seat back.
d. Lower anchor installation bolts on the rear seat belt.
e. Tire house trim.
f. Trunk end trim.
g. Trunk side upper trim.
h. Trunk side trim.
i ...
Rear Speaker Removal/Installation
4SD
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear seat cushion.
b. Rear scuff plate.
c. Tire house trim.
d. C-pillar trim.
e. Rear package trim.
3. Remove the screw.
4. Disconnect the connector.
5. Remove the rear speaker.
6. Install in th ...