Avalanche 2500 4WD V8-8.1L VIN G (2003)
10. Push the tab (1) on the lower side of the connector in order to release the connector from the injector.
11. Repeat step 12 and step 13 for each injector connector.
12. Disconnect the fuel feed and return pipes (1) from the fuel rail.
NOTE:
-
Remove the fuel rail assembly carefully in order to prevent damage to the injector electrical connector terminals and the injector spray tips.
Support the fuel rail after the fuel rail is removed in order to avoid damaging the fuel rail components.
-
Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering open pipes and
passages.
1. Remove the fuel pressure regulator vacuum line.