• Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points")
1.Disconnect the negative battery terminal.
2.Disconnect the heated oxygen sensor connector (A).

3.Remove the connector (A) from the bracket and then disconnecting the wiring from the wiring mounting holder (B).

4.Remove the engine room rear under cover.(Refer to Engine And Transaxle Assembly - "Engine Room Under Cover")
5.Remove the front muffler
(1)Remove the front muffler hanger (A).
(2)Remove the front muffler (B).
Tightening torque :A : 30.0 - 46.0 N.m (3.0 - 4.7 kgf.m, 21.7 - 34.0 lb-ft)B : 30.0 - 35.0 N.m (3.1 - 3.6 kgf.m, 22.4 - 26.0 lb-ft)

6.Install in the reverse order of removal.
• When installing, replace with new gaskets.
1.Remove the center muffler (A).
Tightening torque :39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft)

2.Install in the reverse order of removal.
• When installing, replace with new gaskets.
1.Remove the rear muffler (A).
Tightening torque :39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft)

2.Install in the reverse order of removal.
• When installing, replace with new gaskets.
EGR CoolerHyundai Tucson (NX4) 2022-2026 Owner's Manual: Snow or Icy Conditions. Tire chains
You need to keep sufficient distance
between your vehicle and the vehicle in
front.
Apply the brakes gently. Speeding, rapid
acceleration, sudden brake applications,
and sharp turns are very hazardous
practices. When decelerating, use engine
braking to the fullest extent. Sudden
brake ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: A/C Pressure Transducer
- Description
The A/C Pressure Transducer (APT) converts the pressure value of high
pressure line into voltage value after measuring it. By converted
voltage value, engine ECU controls the cooling fan by operating it high
speed or low speed. Engine ECU stops the operation of the compressor ...