Express 3/4 Ton Van V6-4.3L VIN W (1998)
Fuel Injector: Service and Repair
Removal and Installation
NOTE: The fuel injector is serviced as a complete assembly only.
CAUTIONS:
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Use care in removing the fuel injectors to prevent damage to the electrical connector terminals, the injector filter, and the fuel nozzle.
-
Also since the injectors are electrical components, these injectors should not be immersed in any type of liquid solvent or cleaner as damage may
occur.
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Release Procedure.
3. Remove the Upper Manifold Assembly. Refer to Engine Mechanical.
4. Remove the Fuel Meter Body Assembly. Refer to Fuel Meter Body Assembly.
INSTALLATION PROCEDURE
1. Install the fuel meter body assembly. Refer to Fuel Meter Body Assembly.
2. Install the upper manifold assembly. Refer to Engine Mechanical.
3. Connect the negative battery cable.