C 1500 Suburban 2WD V8-5.3L VIN Z Flex Fuel (2002)
6. Connect the fuel pressure regulator vacuum line.
7. Connect the fuel feed and return pipes (1, 2) to the fuel rail.
8. Connect the fuel injector electrical connectors.
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Install each connector onto the correct fuel injector in order to ensure correct sequential injector firing order.
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Rotate the fuel injectors as required in order to avoid stretching the wire harness.
9. Position the upper engine wire harness in place.
10. Connect the EVAP purge solenoid electrical connector.
11. Install the retainer nut to the upper engine wire harness.
Tighten
Tighten the nut to 5.5 N.m (49 lb in).
