i-290 2WD L4-2.9L (2008)
1. Lightly lubricate the NEW upper O-ring seals (5) with mineral oil GM P/N 9981704.
2. Install the NEW upper O-ring seals (5) onto the fuel injectors.
3. Install the fuel injectors (4).
4. Install the fuel injector retainers (2).
5. Position the harness (1) and install the fuel injector harness clips to the fuel rail.
Installation Procedure
1. Lightly lubricate the NEW lower O-ring seals with mineral oil GM P/N 9981704.
2. Install the NEW O-ring seals onto the tip of each injector.