C 2500 Suburban 2WD V8-8.1L VIN G (2001)
3. Install the fuel rail assembly (1) to the intake manifold.
4. 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 in Service Precautions.
5. Install the fuel rail attaching bolts (3).
Tighten
Tighten the bolts to 12 N.m (106 lb in).
6. Connect the fuel pressure regulator vacuum line (1).