Hyundai Tucson: GPF Regeneration - Removal
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Emission Control Syste / Exhaust Emission Control System / GPF Regeneration - Removal
Removal
- Turn the ignition switch OFF and disconnect the battery negative (-) cable.
- Lift up the vehicle.
- Remove the floor under cover front RH.
- Disconnect the Exhaust Gas Temperature Sensor (EGTS) Front (A) and Rear (B).

- Remove the Gasoline Particulet Fiter (GPF) (A).
Tightening torque : 39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft)
WARNING
When installing, replace with new gaskets.

Installation
- Install in the reverse order of removal.
Replacement
WARNING
After replacing the GPF assembly, MUST perform the "Component Change Routine" procedure.
- Turn ignition switch OFF.
- Connect a diagnostic tool to Data Link Connector (DLC).
- Turn ignition switch ON.
- Select "Vehicle, Model year, Engine, System".
- Start engine at idle and P-range (A/T) or neutral (M/T).
- Apply electrical fully load to the vehicle (A/C ON, Blower ON with maximum speed, Head Lamp ON, Wiper ON, and Other Lamps ON, etc.).
- Select "Vehicle S/W Management".
- Select "Resetting Adaptive Values after GPF replacement".



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Description
Continuous Variable Valve Timing (CVVT) system advances or retards the valve
timing of the intake and exhaust valve in accordance with the ECM control signal
which is calculated by the engine speed and load.
By controlling CVVT, th
Schematic Diagrams
Manifold Absolute
Pressure Sensor (MAPS)
Intake Air Temperature Sensor (IATS)
ETC (Electronic Throttle Conlrol)
System
Engine Coolant
Temperature Sensor (ECTS)
Crankshaft Position Sensor
(CKPS)
Camshaft Position Sensor (C
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CMF Battery
Description
The CMF (Closed Maintenance Free) battery is, as the name implies, totally
maintenance free and has
no removable battery cell caps.
The CMF (Closed Maintenance Free) battery does not require water replenishment
for the repair.
Cylinder Head
Inspect for flatness.
Using a precision straight edge and feeler gauge, measure the contacting
surface of the cylinder block and the
manifolds for warpage
Flatness of cylinder head gasket surface:
Less than 0.05 mm (0.0020 in.) fo
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual