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Item 64938
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Pressure Testing
and Bleed-Off
Assembly (2)
Adapter (20)
Figure D
Gauge
(1)
1. Turn off the ignition.
2. Relieve the fuel pressure. Refer
to the vehicle’s service manual for
specific pressure relief procedures.
3. Locate the fuel filter on the vehicle.
4. Remove the fuel filter by unscrewing
the fuel lines from both ends of the fuel
filter. Use a container to catch any fuel
that may spill out. Wipe off any excess
fuel that may spill on the vehicle.
5. Install the #20 Adapter in place
of the fuel filter by threading each
fuel line into either end of the
Adapter. Do not overtighten.
6. Connect the Gauge to the Pressure
Testing and Bleed-Off Assembly.
7. Attach the female quick coupler
on the Pressure Testing and
Bleed-Off Assembly to the male
quick coupler on the Adapter.
8. Start the engine and check for
leaks. Read the fuel pressure.
Compare the value on the Gauge to
the value in the service manual.
9. Stop the engine and turn
the ignition OFF.
10. With free end of Bleed-Off Hose in a
suitable container, press the button
on side of Bleed-Off Assembly slowly
to depressurize the fuel system.
11. Refer to Safety Information before
removing Tester from vehicle.
12. Remove the fuel pressure Adapter
following the above instructions
for removing the fuel filter.
13. Reinstall the fuel filter. Start the
vehicle and check for leaks.
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Adapter
(11 or 12)
Pressure Testing
and Bleed-Off
Assembly (2)
Figure E
Gauge
(1)
1. Turn off the ignition.
2. Relieve the fuel pressure. Refer
to the vehicle’s service manual for
specific pressure relief procedures.
3. The connection with the vehicle’s
fuel injection system is at the throttle
body. Remove the fuel line at the
inlet by prying up on the hair pin from
the coupling with a small screwdriver.
Use care as the hair pin is delicate.
Once disconnected, reinstall the
hair pin into the hair pin coupling.
4. Attach #11 Hair Pin Adapter for FORD
or #12 Hair Pin Adapter for GM and
CHRYSLER to the disconnected fuel
line. Make sure both ends of mating
parts are seated and locked together.
