Hyundai Tucson: Fuel Delivery System / Fuel Tank Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Engine Control / Fuel System / Fuel Delivery System / Fuel Tank Repair procedures

Removal

1.	Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")

2.	Remove the rear seat cushion. (Refer to Body - “Seat”)

3.	Remove the fuel pump service cover (A).

4.	Disconnect the fuel pump connector (A) and the fuel tank pressure sensor connector (B).

5.	Disconnect the fuel feed tube quick connector (C).

6.	Remove the rear - LH wheel & tire.

7.	Lift the vehicle and support the fuel tank with a jack.

8.	Remove the center muffler assembly. (Refer to Engine Mechanical System - “Intake And Exhaust System”)

9.	Remove the propeller shaft. (Refer to Driveshaft and Axle - “Propeller Shaft Assembly”) [4WD]

10.	Disconnect the fuel filler hose (A) and the ventilation hose (B).

11.	Disconnect thd canister close valve connector (A).

12.	Disconnect the vapor tube quick-connector (A).

13.

Remove the fuel tank from the vehicle after removing the fuel tank band (A).

When removing the fuel tank, the fuel tank must be tilted because of interfering with coupling.

Installation

Install in the reverse order of removal.

Fuel tank band installation nut:

39.2 ~ 54.0 N.m (4.0 ~ 5.5 kgf.m, 28.9 ~ 39.8 lb-ft)

Repair procedures

Fuel Pressure Test (Low pressure system) 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") When rem ...

Fuel Pump Repair procedures

Removal 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") 2. Remove the rear seat. (Refer to Body - “Seat”) ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Input Speed Sensor Troubleshooting
Signal Waveform Fig 1) Input/Output speed sensor at low speed Fig 2) Input/Output speed sensor at high speed ...

Hyundai Tucson (LM) 2010-2015 Service Manual: 4WD ECU Schematic Diagrams
Circuit Diagram 4WD ECU Connector PinFunction1CAN communication line (Low)2CAN communication line (High)3-4Pressure sensor signal(+)5-6Lock mode switch7Oil pressure motor B8Oil pressure motor A9-10-11Pressure sensor(Input)12Input sensor signal(-)13Battery power 14Ground15IG power16-17-1 ...