Mazda 3 Service Manual: Intake Manifold Vacuum Inspection [Mzr 2.0, Mzr 2.5]
1. Disconnect the evaporative hose (purge solenoid valve side) and install the vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the intake manifold vacuum while idling (no load) using the vacuum gauge.
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If not within the specification, perform the following inspections.
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Compression pressure.
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Air suction
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Installation areas of each vacuum hose
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Installation area of throttle body
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Installation area of fuel injector
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Installation area of PCV valve
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Installation area of intake manifold
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Standard
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MZR 2.0: Approx. –68.0 kPa {–510 mmHg, –20.1 inHg}
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MZR 2.5: Approx. –70.0 kPa {–525 mmHg, –20.7 inHg}
Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
NOTE:
Because the IAT sensor is integrated in the MAF sensor, replacing the IAT
sensor includes replacement of the MAF/IAT sensor.
1. Remove the battery cover.. ...
Variable Intake Air 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 intake air shutter valve actuator.
3. Connect a vacuum pump to the variable intake air shutter v ...
Other materials:
Driving on Uneven Road
Your vehicle's suspension and underbody can be damaged if driven on
rough/uneven roads
or over speed bumps at excessive speeds. Use care and reduce speed when
traveling on
rough/uneven roads or over speed bumps.
Use care not to damage the vehicle's underbody, bumpers or muffler(s) when
dr ...
Drive Belt Removal/Installation [Mzr 2.0, Mzr 2.5]
MZR 2.0
A/C drive belt removal
1. Remove the aerodynamic under cover No.2 and splash shield as a single unit..
2. Remove the nut shown in the figure and set the power steering pipe component
out of the way.
3. Set the SST as shown in the figure.
NOTE:
Hold the SST by hand unti ...
Customer Assistance
(Puerto Rico)
Your complete and permanent satisfaction is our business. That is why 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 vehicle or serv ...
