Hyundai Tucson: Fuel Delivery System / Delivery Pipe

- Removal Low Pressure Delivery Pipe

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

2.Turn the ignition switch OFF and disconnect the battery negative (-) cable.

3.Disconnect the injector connector (A).

4.Disconnec the fuel feed quick connector (A).

• Open the clamp cover (B) before disconnecting the quick-connector. (If the clip is applied)

• When removing the quick-connnector with the clip removing tool (A), be careful not to damage the plastic clip (B).

• If the clip is damaged, it can cause a fuel leak due to bad connection and could result in a fire.

5.Remove the delivery pipe mounting bolt (A).

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

6.Remove the delivery pipe (A) after release the injector fixing cilp.

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

2.Turn the ignition switch OFF and disconnect the battery negative (-) cable.

3.Remove the air cleaner.(Refer to Engine Mechanical System - "Air Cleaner")

4.Remove the intake manifold.(Refer to Engine Mechanical System - "Intake Manifold")

5.Remove the injector foam (A).

6.Loosen the high pressure fuel pipe bracket mounting bolt (A) and then remove the flange nut (B, C).

Tightening TorqueA : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)B, C : 29.4 - 35.3 N.m (3.0 - 3.6 kgf.m, 21.7 - 26.0 lb-ft)

7.Loosen the mounting bolt (A) and then remove the delivery pipe & injector assembly (B).

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

8.Disconnect the injector & rail pressure sensor connector (A).

9.Remove the delivery pipe (A) after release the injector fixing clip.

1.Install in the reverse order of removal.

• When tighten the high pressure fuel pipe flange nut(A), using the SST (09314-L1100).

• Note that do not deforming the high pressure fuel pipe.

• Install the component with the specified torques.

• Install the high pressure fuel pipe and then check the oil leakage.

• When Installing the high pressure fuel pipe, using a SST (SST No. : 09314-L1100).

• Do not reuse the mounting bolt.

• Do not reuse the injector fixing clip.

• Do not reuse the combustion seal (A).

• Be careful not to apply oil to combustion seal.

• Do not reuse the O-ring (A), support disk (B), rubber washer (C).

• When replacing the rubber washer, the steal plate part should be faced the cylinder installation part and the rubber plate part should be faced the injector body part.

• Apply the engine oil to the injector O-ring.

• When inserting the injector, be careful not to damage the injector tip.

• Do not reuse the O-ring (A).

• Apply the engine oil to the injector O-ring.

• When inserting the injector, be careful not to damage the injector tip.