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Hyundai Tucson: Fuel pump service - Installation

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Control - Fuel System / Fuel Delivery System - Fuel Tank / Fuel pump service - Installation

Installation

Install in the reverse order of removal.

Removal

Remove the fuel pump.

(Refer to Fuel Delivery System - "Fuel Pump")
Disconnect the fuel sender connector (A).

Release the fixing hook (A) and then remove fuel sender (B) in the arrow direction.

Disconnect the fuel pump motor connector (A).

Remove the fixing pin (A) and then disconnect the fuel feed tube (B).

Release the fixing hook (A) and then remove the head assembly (B).

Release the fixing hook (A) and then remove the reservoir-cup (B).

Disconnect the fuel pump motor connector (A).
Disconnect the ground cable (B).

Remove the fixing pin (A) and then disconnect the fuel pressure regulator (B).

Release the fixing hook and then remove the assist pump (A).

Separate the fuel pump hose (A) after releasing the clamp (B).

WARNING

WARNING

Replace the clamp with a new one when reinstalling the clamp.

Remove the pump filter & fuel pump (A) after releasing the hooks.

Release the fixing hook and then remove the fuel filter (A) from the bracket (B).

Low Pressure Fuel Line

WARNING Be careful not to damage the parts located under the vehicle (floor under cover, canister, fuel tank) when raising the vehicle using the lift. (Refer to General Information - "Lift and Support Points") Release the residua

High Pressure Fuel Line

Release residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") Turn the ignition switch OFF and disconnect the battery (-) terminal. Remove the air cleaner assembly. (

High Pressure Fuel Line- Installation

Install in the reverse order of removal. Install the high pressure fuel pipe as follows. (1) Completely pre-tighten the both side nuts (A) on high pressure tightening area of high pressure fuel pipe while keeping them vertically. (2) Ti

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