Mazda 3 Service Manual: Variable Tumble Shutter Valve Actuator Inspection [Mzr 2.0, Mzr 2.5]
Operation Inspection
1. Remove the air hose..
2. Disconnect the vacuum hose from the variable tumble shutter valve actuator.
3. Connect a vacuum pump to the variable tumble shutter valve actuator.
NOTE:
-
Covered with a hood, the rod of the variable tumble shutter valve actuator cannot be seen from above. Use a mirror from under it to check the operation of the variable tumble shutter valve.
4. Check if the rod operates correctly as stated in the table when a gradual negative pressure is applied to the variable tumble shutter valve actuator.
|
Vacuum kPa {mmHg, inHg} |
Rod movement |
|
Below –2.7 {–20, –0.8} |
No operate |
|
Above –33.4 {–251, –9.86} |
Fully pulled |
-
When it is not possible to confirm it, replace the intake manifold..
-
When the variable tumble shutter valve actuator cannot be activated even though the operation of the rod can be confirmed, check for any incorrect connections or breakage of the vacuum hose.
Variable Swirl Solenoid Valve Inspection [Mzr 2.3 Disi Turbo]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable swirl solenoid valve..
4. Inspect the airflow between the ports under the foll ...
Variable Tumble Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable tumble solenoid valve..
4. Inspect airflow between the ports under the followi ...
Other materials:
Base Installation
1. Cut away all of the original sealant using a razor.
WARNING:
Using a razor with bare hands can cause injury. Always wear gloves when using
a razor.
2. Clean and degrease the ceramic coating on the glass and the base.
CAUTION:
Keep the area free of dirt and grease, and ...
Electric Variable Valve Timing Actuator Inspection [Skyactiv G 2.0]
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Do not disassemble the electric variable valve timing actuator because it
is a precision unit.
1. Remove the battery cover..
2. Disconnect the ne ...
Charcoal Canister Removal/Installation [Mzr 2.0, Mzr 2.5]
Except for Mexico
1. Remove in the order indicated in the table.
1
Evaporative hose
2
Quick release connector
(See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZR
2.0, MZR 2.5].)
3
Charc ...
