Kia Sorento: Battery Cleaning

Kia Sorento (MQ4, 2021-2026) Service Manual / Engine Electrical System / Charging System / Battery Cleaning

Cleaning

1.	Make sure the ignition switch and all accessories are in the OFF position.

Remove the battery from the vehicle.

(Refer to Charging System - "Battery")

Care should be taken in the event the battery case is cracked or leaking, to protect your skin from the electrolyte.

Heavy rubber gloves (not the household type) should be worn when removing the battery.

Engine Electrical System — Charging System / Battery / Cleaning illustration

3.	Inspect the battery tray for damage caused by the loss of electrolyte. If acid damage is present, it will be necessary to clean the area with a solution of clean warm water and baking soda. Scrub the area with a stiff brush and wipe off with a cloth moistened with baking soda and water.

4.	Clean the top of the battery with the same solution as described above.

5.	Inspect the battery case and cover for cracks. If cracks are present, the battery must be replaced.

6.	Clean the battery posts with a suitable battery post tool.

7.	Clean the inside surface of the terminal clamps with a suitable battery cleaning tool. Replace damaged or frayed cables and broken terminal clamps.

8.	Install the battery in the vehicle.

9.	Connect the cable terminals to the battery post, making sure tops of the terminals are flush with the tops of the posts.

10.	Tighten the terminal nuts securely.

11.

Coat all connections with light mineral grease after tightening.

When batteries are being charged, an explosive gas forms beneath the cover of each cell. Do not smoke near batteries being charged or which have recently been charged. Do not break live circuit at the terminals of batteries being charged.

A spark will occur when the circuit is broken. Keep open flames away from battery.

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Kia Sorento: Battery Cleaning

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