Sonata V6-2.7L (2004)
2. Apply a coating of solvent, spindle oil or gasoline to the injector O-ring.
3. While turning the injector left and right, install it onto the delivery pipe.
4. Be sure the injector turns smoothly.
NOTE: If injector does not turn smoothly, the O-ring may be jammed.Remove the injector and re-insert it into the delivery pipe and re-check.