Optima V6-2.7L VIN 8 (2006)
4. Connect the vapor hose and return hose. Attach the fuel hose to the line as shown in the illustration.
5. To connect the high pressure hose to the fuel pump, temporarily tighten the flare nut by hand, and then tighten it to the specified torque. Be careful
that the fuel hose does not twist.
Tightening torque
High pressure hose flare nut : 30 - 40 Nm (300 - 400 kg.cm, 22 - 29 lb.ft)
NOTE: When tightening the flare nut, be careful not to bend or twist the line to prevent damage to the fuel pump connection.
6. Connect the electrical fuel pump and fuel sender connector.
