Installation Procedure
Courtesy of GENERAL MOTORS CORP.
- Apply a light coat of oil to new O-rings (1), then install one onto each fuel injector.
- Apply a light coat of oil to the part of the fuel delivery pipe which comes into contact with the O-ring of the fuel injector.
- Apply a light coat of oil to the O-ring again, then install the right and left fuel injectors onto the fuel delivery pipe.
- Check that the fuel injector rotates smoothly. If the fuel injector does not rotate, replace the O-ring.
- Install the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement .