Hyundai Tucson: Engine Mechanical System
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Electrical System / 48V Battery System / Engine Mechanical System
Components

- Pulley
- Stator assembly
- Rotor assembly
- Brush holder assembly
- Front bracket assembly
- Rear bracket assembly
- Inverter assembly
Removal
- Turn the ignition switch OFF and disconnect the battery (-) terminal.
- Disconnect the mild hybrid starter generator (MHSG) cables (A)
Tightening torque : 18.6 - 24.5 N.m (1.9 - 2.5 kgf.m, 13.7 - 18.1 lb-ft)

- Disconnect the mild hybrid starter generator (MHSG) connector (A).

- Disconnect the extension connector (A) and then remove the turbo charger coolant pipe mounting bolts (B).
Tightening torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

- Separate the fastener (A) from the mild hybrid starter generator (MHSG).

- Disconnect the turbo charger coolant hose (A) and reservoir tank coolant hose (B).

- Remove the drive belt tensioner.
(Refer to Engine Mechanical System - "Drive Belt Tensioner")
- Remove the mild hybrid starter generator (MHSG) mounting bolt (A).
Tightening torque : 49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 Ib-ft)



- Remove the mild hybrid starter generator (MHSG) (A).


Installation
Install in the reverse order of removal.
READ NEXT:
Vehicle parasitic current inspection
Inspection
Using the Ammeter
Turn the all electric devices OFF, and then turn the ignition switch OFF.
Close all doors except the engine hood, and then lock all doors.
(1) Disconnect the hood switch connector.
(2) Close the trunk lid.
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.
SEE MORE:
48V Battery System - Removal
Turn the ignition switch OFF and disconnect the battery (-) terminal.
Remove the luggage board (A).
Disconnect the BMS ECU extension wiring harness connector (A).
Disconnect the inverter power cables (A).
Tightening torque
Crash pad side cover
Component Location
LH
Crash pad side cover LH
RH
Crash pad side cover RH
Replacement
WARNING
When removing with a flat-tip screwdriver or remover, wrap
protective tape around the tools to
prevent damage to components.
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual