1. Disconnect the negative battery cable.
2. Remove the intake maniforld.(see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
3. Remove the PCV valve.
4. Blow through the valve and verify that air flows as specified.
Specification
Mazda 6 Service Manual: Oil cooler removal/installation
1. Disconnect the negative battery cable.
2. Drain the ATF into a container. (See AUTOMATIC TRANSAXLE FLUID (ATF)
REPLACEMENT.)
3. Remove the radiator. (See RADIATOR REMOVAL/INSTALLATION.)
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
6. Add ATF to ...
Mazda 6 Service Manual: Fuel tank inspection
Caution
Disconnecting/connecting the quick release connector without
cleaning it may possibly cause damage to the fuel pipe and quick release
connector. Always clean the quick release connector joint area before
disconnecting/connecting using a cloth or soft brush, and make sure that it ...