Diagnostic procedure
Mazda 6 Service Manual: Jack
To remove the jack
1. Lift the trunk mat.
2. Remove the pocket.
3. Turn the wing bolt and jack screw counterclockwise.
To secure the jack
1. Insert the wing bolt into the jack with the jack screw pointing to the front
and turn the wing bolt clockwise to temporarily tighten it.
2. Turn ...
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 nonretu ...