Mazda 6 Service Manual: Nonreturn valve inspection
1. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)
2. Siphon the fuel from the fuel tank.
Note
- Nonreturn valve is integrated in the fuel tank.
- The nonreturn valve is normally closed by the spring force.
3. Verify that the nonreturn valve is closed.
- If the nonreturn valve is stuck open and dose not open even when pulled up by a finger, replace the fuel tank.
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 connec ...
Fuel line pressure inspection
Warning
Fuel line spills and leakage are dangerous. Fuel can ignite and
cause serious injuries or death. Fuel can also irritate skin and eyes. To
prevent this, always complete the BEFORE REP ...
Other materials:
Mazda 6 Service Manual: Curtain air bag module removal/installation
Warning
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS
before handling the air bag module. (See SERVICE WARNINGS.)
1. Turn the ignition switch to LOCK position.
2. Disconnect the nega ...
Mazda 6 Service Manual: Technical data
ENGINE
LUBRICATION SYSTEM
Note
The maintenance intervals on scheduled maintenance table (See
SCHEDULED MAINTENANCE TABLE) can only be supported by the use of following
oils.
Recommended engine oil
COOLING SYSTEM
FUEL AND EMISSION CONTROL SYSTEMS
ENGINE ELECTRICAL SYSTEM
...