Hyundai Tucson: 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) Tighten the high pressure fuel pipe function block mounting bolt (B).
Tightening torque : 9.8- 11.8 N.m (1.0- 1.2 kgf.m, 7.2-8.7 lb.ft)
(3) Completely tighten the both side nuts (A) on high pressure tightening area of high pressure fuel pipe.
Tightening torque : 29.4 - 35.3 N.m (3.0 - 3.6 kgf.m, 21.7 - 26.0 lb-ft)

WARNING
- Do not reuse the high pressure fuel pipe.
- Be careful not to transform the shape of the high pressure fuel pipe.
- Torque wrench should not be tilt when you tighten the nut.
- Follow the order and the tightening torque when you assemble.
- Inspect fuel leakage after high pressure fuel pipe assembly.
Removal
WARNING
- Be careful not to damage the parts located under the vehicle (floor
under cover, canister, fuel tank)
when raisinOs the vehicle usingO the lift.
(Refer to General Information - "Lift and Support Points")
- Turn the ignition switch OFF and disconnect the battery (-) terminal.
- Lift the vehicle.
- Remove the rear-left wheel & tire and wheel house cover.
- Open the fuel filler cap (A) by turning it in the counterclockwise.

- Remove the LH rear wheel guard.
(Refer to Body (Interior and Exterior) - "Rear Wheel Guard")
- Separate the fuel filler hose (A).
- Separate the fuel ventilation hose (B) and then remove the fixing clip (D).
- Disconnect the levelling hose quick-connector (C).

- Remove the filler-neck assembly (A) after loosening the mounting nut (B).
Tightening Torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb.ft)

Installation
- Install in the reverse order of removal.
Removal
- Turn the ignition switch OFF and disconnect the battery (-) terminal.
- Disconnect the accelerator position snesor connector (A).
- Remove the upper mounting cap (B) and the loosen the mounting nut (C).
- Remove the lower mounting cap (D) and the loosen the mounting bolt (E).
Tightening Torque : 8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb.ft)


Installation
- Install in the reverse order of removal.
READ NEXT:
High Pressure Fuel Line- 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. So don't do any
repair work right after
engine stops.
Relea
SEE MORE:
Windshield defrosting and defogging
WARNING
Windshield heating
Do not use the position
during
cooling operation in extremely humid
weather. The difference between the
temperature of the outside air and that
of the windshield could cause the outer
surface of the windshield to f
Cylinder head cover
Removal
Disconnect the battery negative terminal.
Remove the cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
Turn the crankshaft damper pulley so that No. 1 piston is at top dead
center.
(1)
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual