Mazda MX-6 1998, Workshop Manual, Page: 469 / 1282

FUEL SYSTEM
Fuel Pipe Assembly Note
1. When retainer is not removed, observe the
following procedure.
(1) Inspect the fuel pipe for kinks. Replace the
fuel pipe if necessary.
(2) Inspect that the inside of the pipe and the
connector is free of foreign material and
damage. Clean if necessary, taking care not to
damage the sealing surfaces.
(3) Align the pipe and connector so that the tabs
of the retainer are correctly fitted into the
connector. Push the connector into the
retainer until two clicks are heard.
(3) Push the connector into the retainer until a
click is heard.
W 6 U 1 1 4 W A B
(4) Pull the connector by hand and verify that it is
installed securely. Visually check that the tabs
of the retainer are securely fitted into the
connector.
2. When retainer is removed, observe the following
procedure.
Note
• Use the designated genuine retainer only.
(1) Install a new retainer onto the connector.
(2) Inspect that the inside of the pipe and the
connector is free of foreign material and
damage. Clean if necessary, taking care not to
damage the sealing surfaces.
W 6 U 1 1 4 W A C
(4) Pull the connector by hand and verify that it is
installed securely. Visually check that the tabs
of the retainer are securely fitted into the
connector.
Nonreturn Valve Installation Note
• Align the nonreturn valve with the notch in the fuel
filler pipe as shown, then install.
NONRETURN VALVE
W 6 U 1 1 4 W A 7
FUEL TANK INSPECTION
1. Remove the fuel tank. (Refer to 01-14 FUEL
TANK REMOVAL/INSTALLATION.)
2. Attach an air hose to the SST.
3. Plug the main and return fuel pipe on the fuel
pump.
4. Set the SST to port A and plug port B as shown in
the figure.
PLUG
W6U114WB3
5. Verify that there is airflow from port C when
pressure of +0.98 kPa {+7.4 mmHg, +0.29 inHg}
is applied to port A.
6. If there is no airflow, replace the fuel tank.
7. Remove the plug on port B and plug port C as
shown in the figure.
PLUG
W 6 U 1 1 4 W B 4
0 1 -1 4 -5