Impala V8-5.3L VIN C (2006)
2. If replacing the fuel rail, install the fuel injectors.
3. If necessary, Lubricate the NEW O-ring seals with clean engine oil.
4. If necessary, install NEW O-ring seals to the fuel injectors.
5. Install the fuel rail (510) with injectors. Push firmly on both sides of the rail until all the injectors have been seated into their bores.
6. Apply a 5 mm (0.2 in) band of thread lock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the fuel rail bolts.
7. Install the fuel rail bolts (511).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the bolts to 10 N.m (89 lb in).
8. Install the ground strap (557) and intake manifold bolt (512).
Tighten the bolt to 10 N.m (89 lb in).
9. Connect the fuel feed (1) and EVAP (2) lines.
