Hyundai Elantra: Charging System / Alternator Repair procedures

Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the drive belt.
(Refer to Engine Mechanical System - "Drive Belt")
3.
Disconnect the alternator connector (A) and the cable (B) from alternator "B" terminal.

4.
Remove the alternator (B) after loosening the mounting bolts (A).

Installation
1.
Install in the reverse order of removal.
2.
Adjust the alternator belt tension after installation.
(Refer to Engine Mechanical System - "Drive Belt")

Alternator installation bolt :
[12mm (0.47in) bolt]
19.6 ~ 26.5 N.m (2.0 ~ 2.7 kgf.m, 14.5 ~ 19.5 Ib-ft)
[14mm (0.55in) bolt]
29.4 ~ 41.2 N.m (3.0 ~ 4.2 kgf.m, 21.7 ~ 30.4 Ib-ft)

Alternator Schematic Diagrams
Circuit Diagram     • COM signal - When controlling the voltage generated, the ECM sends the target voltage data to the alternator via a PWM signal.(High voltage: 4V or h ...

Battery Description and Operation
Description [AGM Battery] AGM battery is used for especially heavy load on the vehicle network depending on equipment and requirements. AGM stands for Absorbent Glass Material Battery; that is ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Pre-tensioner seat belt (Driver and front passenger)
Your vehicle is equipped with driver's and front passenger's Pre-tensioner Seat Belts (Retractor Pretensioner and Emergency Fastening Device System). The purpose of the pre-tensioner is to make sure the seat belts fit tightly against the occupant's body in certain frontal collisi ...

Hyundai Elantra AD (2016-2020) Service Manual: Variable Charge Motion Actuator (VCMA) Description and Operation
Description The Variable Charge Motion Actuator (VCMA) is installed on the inlet of the intake manifold. It consists of a DC motor which actuates the VCM valve and a position sensor which detects the position of the VCM valve. The VCM system tumbles air flow entering into combustion chambe ...

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