CTS-V V8-6.0L VIN U (2006)
9. Note the location of the fuel rail ground strap (1) on the intake manifold. The fuel rail ground strap must be installed during assembly.
10. Remove the fuel rail attaching bolts.
11. Remove the fuel rail assembly.
12. Remove the injector lower O-ring seal from the spray tip end of each injector.
13. Discard the lower O-ring seals.
14. Remove the fuel injectors, if necessary.
15. Release the injector retainer clip.
16. Remove the infector from the fuel rail.
17. Remove the upper O-ring seal.
INSTALLATION PROCEDURE
1. Install the fuel injectors, if previously removed.
2. Lubricate the upper O-ring seal with clean engine oil.
3. Install the fuel injector to the fuel rail with the electrical connector facing outward.
4. Secure the injector retainer clip.
