Kia Optima: Installation - Delivery Pipe. Repair procedures - Fuel Delivery System - Engine Control/Fuel System - Kia Optima TF 2011-2018 Service ManualKia Optima: Installation

Install the component with the specified torques.
Apply engine oil to the injector O-ring.
Do not use already used injector O-ring again.
Do not reuse the bolts.
When insert the injector, be careful not to damage the injector tip.
Use proper tooling for change of combustion seal. Take proper precautions not to damage surface during assembly or disassembly.
Avoid dropping the fuel pipe (including injectors) or bumping it into any hard objects sincedamage to the internal components may occur. If necessary, visually inspect and confirmproper operation with performance tests prior to reuse.
Before installing the injector into the cylinder head, clean the injector hole and avoidcontaminants from entering inside the injector hole. When installing the injector, avoid bumpingthe injector tip into any of the surrounding components since the tip may become damagedfrom the impact.
When fastening the three fuel delivery pipemounting bolts, fully hand-tighten first, andthen tighten in the proper sequence (→ ) in several cycles up tothe specified→ ) in several cycles up tothe specifiedtorque. The delivery pipeshould move less than 1/8 inch (approx.3mm),) in several cycles up tothe specified torque. The delivery pipeshould move less than 1/8 inch (approx.3mm), whenever each bolt is tightened.

1. Installation is reverse of removal.

Delivery pipe installation bolt:

18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)

High pressure fuel pipe installation nut:

26.5 ~ 32.4 N.m (2.7 ~ 3.3 kgf.m, 19.5 ~ 23.9 lb-ft)

In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by ...

High Pressure Fuel Pump. Repair procedures

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