3A - 18 Fuel Metering System 5.0/5.7L
MEFI 4 - PCM
Low-Pressure Fuel Pump Replacement
Important
•
Fuel pressure must be relieved before servicing the
fuel pump.
•
Refer to “Fuel Pressure Relief Procedure.”
Remove or Disconnect
1. Negative battery cable.
2. Fuel pump electrical connector.
3. Inlet and outlet fuel line fi ttings.
4. Fuel pump attaching bolts.
5. Fuel pump.
Install or Connect
1. Fuel pump.
2. Fuel pump attaching bolts.
3. Inlet and outlet fuel line fi ttings.
4. Fuel pump electrical connector.
5. Negative battery cable.
Inspect
•
Turn ignition switch to the “ON” position for 2 seconds,
then turn to the “OFF” position for 10 seconds. Turn
the ignition switch back to the “ON” position and check
for fuel leaks.
PS 16871
Fuel Pump Relay
Remove or Disconnect
1. Retainer, if installed.
2. Fuel pump relay electrical connector.
3. Fuel pump relay.
Important
•
The fuel pump relay is a electrical component. Do
Not soak in any liquid cleaner or solvent as damage
may result.
Install or Connect
1. Fuel pump relay.
2. Fuel pump relay electrical connector.
3. Retainer clip.
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