Saturn 12623365 Rail,Fuel Injection Fuel

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To remove the fuel injectors, relieve the fuel system pressure, disconnect the negative battery terminal, remove the upper intake manifold, and disconnect the fuel supply line and electrical connectors for the main fuel injector harness and each injector. Remove the fuel rails and injectors as an assembly, and release the fuel injector retaining clips to remove each injector. To install the fuel injectors, install the new upper and lower O-rings on the injectors, coat them with clean engine oil, insert them into the fuel rail and install the injectors and fuel rail assembly onto the intake manifold, tighten the mounting bolts, and reconnect the negative battery terminal.

Disconnect the fuel supply line at the fuel rail, remove the intake manifold, fuel rail mounting bolts, electrical connector, and four fuel injector electrical connectors.

Use the special tools included in the injector tool set or follow the alternative method using a socket and plastic tubing.

After completing the maintenance on the injectors and fuel system, you should reconnect the negative battery terminal, activate the fuel pump, and check for fuel leaks in the lines, rails, and injectors to ensure proper installation.

The old combustion chamber Teflon sealing rings and upper O-rings should be removed, and the grooves should be cleaned.

Remove the fuel rails and injectors as an assembly, and release the fuel injector retaining clips to remove each injector.