Question:
how do you remove the fuel injector rail on a 2002 Pontiac 3.4?
B Smith
2006-05-28 14:08:03 UTC
how do you remove the fuel injector rail on a 2002 Pontiac 3.4?
Two answers:
hagop93711
2006-06-02 13:50:54 UTC
Relieve the fuel system pressure.

Remove the upper intake manifold.

Remove the engine compartment fuel pipe retainer bolt.

Disconnect the engine fuel feed pipe at the fuel rail.







Disconnect the engine fuel return pipe at the fuel pressure regulator.

Remove the fuel feed pipe and fuel return pipe O-rings and discard.

Disconnect the main injector harness electrical connector.

Disconnect the connectors from the fuel injectors using the procedures in steps 8 and 9.







Pull up the lock release (2) of the fuel injector connector.







Depress the lock tab (1) and lift the connector from the injector.

Remove the injector harness from the fuel rail.







Disconnect the coolant temperature sensor electrical connector.







Remove the fuel rail attaching bolts.

Remove the fuel rail assembly.

Remove the injector O-ring seal from the spray tip end of each injector. Discard the seals
webman
2006-05-28 18:23:16 UTC
You have to remove the upper half of the intake manifold to get at the fuel rail.


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