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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

Installation

Install in the reverse order of removal.

Charging System

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.

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Inspection with Diagnostic Tools

In the eCall system, failure can be quickly diagnosed by using the vehicle diagnostic system. The diagnostic system provides the following information. 1) Self diagnosis : Checking failure and code number (DTC) 2) Current data : Checking the s

Supervision cluster

Component Location Cluster fascia panel General cluster Cluster fascia panel Replacement WARNING When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.