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 is free of foreign material.
Note
- This inspection is for two rollover valves integrated in the fuel tank.
1. Disconnect the plastic fuel hose and the fuel pump unit connector. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)
2. Remove the fuel tank with the fuel pump unit. (See FUEL TANK REMOVAL/INSTALLATION.)
3. Plug the fuel pipe of the fuel pump unit.
4. Connect the pump to port A.
5. Level the fuel tank.
6. Apply pressure of -2.0 kpa {-34 mmHg, -1.3 inHg}
to port A.
(1) Plug port C and verify there is vacuum from port B.
- If there is no vacuum, replace the fuel tank.
7. Apply pressure of +5.9 kPa {+44 mmHg, +1.7 inHg}
to port A.
- If there is no airflow, replace the fuel tank.
- If there is airflow, turn the fuel tank upside-down and proceed to next step.
8. Turn the fuel tank upside-down and apply pressure of -2.0 kPa {-15 mmHg, -0.6 inHg}
to port A.
(1) Plug port C and verify there is no vacuum from port B.
- If there is vacuum, replace the fuel tank.
Fuel tank removal/installation
Warning
Repairing a fuel tank that has not been properly steam cleaned can
be dangerous. Explosion or ire may cause death or serious injury. Always
properly steam clean a fuel tank before re ...
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 norm ...
Other materials:
Mazda 6 Service Manual: Scheduled maintenance
SCHEDULED MAINTENANCE TABLE
For Europe (L.H.D. U.K.)
Chart symbols:
I : Inspect and repair, clean, adjust, or replace if necessary.
(Oil-permeated air cleaner elements cannot be cleaned using the air-blow
method.)
R : Replace
T : Tighten
L : Lubricate
Remarks:
To ensure efficient oper ...
Mazda 6 Service Manual: Wheel hub, steering knuckle pre-inspection
Wheel Bearing Play Inspection
1. Position a dial indicator against the wheel hub.
2. Push and pull the wheel hub by hand in the axial direction and measure the
wheel bearing play.
Maximum wheel bearing play
0.05 mm {0.002 in}
3. If the bearing play exceeds the specification, replace and tig ...