2017 Genesis G80 3.8 Premium, AWDFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Removal

WARNING: In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. Do not conduct any repair work right after the engine stops.
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Release the residual pressure in fuel line.

    (Refer to Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")

    CAUTION: When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of "Release Residual Pressure in Fuel Line" work.
  3. Disconnect the fuel feed tube quick-connector (A) using a clip tool.
  4. Disconnect the fuel pressure control valve-connector (B).
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    NOTE: Open the clamp cover (B) before disconnecting the quick connector. (If the clip is applied)
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    CAUTION: When removing the quick-connector with the clip removing tool (A), be careful not to damage the plastic clip (B). If the clip is damaged, the fuel line leak can occur due to poor connection.
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  5. Remove the intake manifold.

    (Refer to Engine Mechanical System - "INTAKE MANIFOLD ")

  6. Remove the high pressure fuel pipe.
    1. Remove the bracket mounting bolt (A).
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    2. Remove the high pressure pipe flange nut (A, B) in the order of A and B with the special service tool [SST No.:09314- 3V100 or 09314-27130]
    3. Remove the high pressure pipe bracket bolt (C).
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  7. Remove the installation bolts (A) and then remove the high pressure fuel pump from the cylinder head assembly.
    CAUTION: Unscrew the two bolts alternately by 0.5 turn. In case of fully unscrewing one of the two bolts with the other bolt installed, the housing surface of the cylinder head may be broken because of tension of the pump spring.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.