CTS V8-5.7L VIN P (2004)
11. Remove the fuel rail attaching bolts.
12. Remove the fuel rail assembly.
13. Remove the fuel injectors, if necessary.
14. Remove the injector lower O-ring seal from the spray tip end of each injector.
15. Discard the lower O-ring seals.
INSTALLATION PROCEDURE
1. If previously removed, install the fuel injectors.
2. Note the location of the fuel rail ground strap (1) on the intake manifold. The fuel rail ground strap must be installed during assembly.