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Hyundai Tucson: Battery

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Electrical System / Charging System / Battery

Removal

  1. Turn the ignition switch OFF and disconnect the battery (-) terminal (A).

Tightening torque : 7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 Ib-ft)

  1. Disconnect the battery (+) terminal (A).

Tightening torque : 7.8 - 9.8 N.m (0.8 - 1.0 kgf.m, 5.8 - 7.2 Ib-ft)

  1. Remove the battery mouting bracket (A).

Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 Ib-ft)

  1. Remove the battery (A).

Battery Tray

Battery Tray

  1. Remove the battery.
  2. Remove the air cleaner assembly.

(Refer to Engine Mechanical System - "Air Cleaner")

  1. Remove the engine control module (ECM).

(Refer to Engine Control / Fuel System - "Engine Control Module (ECM)")

  1. Remove the battery tray (A).

Tightening torque : 7.8 - 10.8 N.m (0.8 - 1.1 kgf.m, 5.8 - 8.0 Ib-ft)

Installation

Installation

  1. Install in the reverse order of removal.

WARNING

When installing the battery, fix the mounting bracket on the tray correctly.

WARNING

  • After disconnecting then reconnecting the battery negative cable, reset some parts that require the reset procedures.

    (Refer to Body Electrical System - "General Information")

WARNING

  • ISG (Idle stop & go) system equipped vehicle always use the AGM battery only. If flooded battery has installed, this can potentially lead to engine electrical trouble or ISG system error.
  • Replace same capacity of the AGM battery.

WARNING

  • Do not open the AGM battery.
  • The AGM battery must not be opened under any circumstances as the introduction of oxygen from the air will cause the battery to lose its chemical equilibrium and rendered non-operational.

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