Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Hyundai Equus SignatureFACTORY OEM SERVICE PROCEDURE
Repair Procedures: Removal
- Turn the ignition switch OFF and disconnect the battery negative (-) cable.
- Release the residual pressure in fuel line (Refer to "RELEASE RESIDUAL PRESSURE IN FUEL LINE
" in this group).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.
- Disconnect the purge control solenoid valve connector (A) and the vapor hose (B).
- Remove the fuel tube (C) after removing the nut.
- Remove the purge control solenoid valve after removing the installation bolt.
- Remove the delivery pipe hose (B) from the bracket (C) after removing the wiring protector (A).
- Disconnect the injector connector (A).
- Remove the delivery pipe assembly (B) from the intake manifold after removing 4 bolts.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.