K 1500 Suburban 4WD V8-5.3L VIN T (2002)
IMPORTANT: When installing the retaining clip attaching screw for the crossover pipe, always start the screw by hand. This will prevent
consequent stripping of the threads in the fuel rail.
9. Loosely install the crossover pipe retainer (21) and retaining clip attaching screw (22) to the right hand fuel rail.
10. Install the fuel rail.
11. Apply a 5 mm (0.020 in) band of GM P/N 12345382 threadlock, or equivalent, to the threads of the fuel rail bolts.
NOTE: Refer to the Fastener Notice Cautions and Notices.
12. Install the fuel rail bolts.
Tighten
12.1. Tighten the bolts to 10 N.m (89 lb in).
12.2. Tighten the screw to 3.8 N.m (34 lb in).
13. Connect the fuel pressure regulator vacuum line.
14. Connect the fuel feed and return pipes (1, 2) to the fuel rail.
15. Connect the fuel injector electrical connectors.
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Install each electrical 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.
