Jeep BB034600AA Battery-Storage

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Before servicing your battery, turn off the engine and disconnect the negative terminal. If a maintenance-required battery is installed, check the electrolyte level and add distilled water if needed. Check the battery, cable clamps, and terminals for damage. Remove corrosion with a baking soda solution and coat damaged parts with zinc-based primer.

Disconnect the negative battery cable first, then the positive cable. Check the battery state of charge and perform a load test. Replace the battery, disconnecting the cables in reverse order. Lift out the battery and inspect the area underneath for corrosion. Ensure the new battery matches the original's dimensions, amperage rating, and cold cranking rating. Reinstall the battery and reconnect the cables.

A routine preventive maintenance program for the battery is essential for quick and reliable starts.

Disconnect the negative battery cable and visually inspect the battery's state of charge using the indicator eye (if equipped). Charge the battery or add distilled water if needed. Use a hydrometer to check the specific gravity of the electrolyte in each cell. Perform an open circuit voltage test using a digital voltmeter, ensuring the battery voltage is above 12.5 volts. Use a battery load tester to evaluate the battery's ability to handle heavy amperage draw during startup and accessories operation. Cold temperatures may slightly affect the minimum voltage requirements. To test for battery drain, disconnect all accessories and check the current drain using a digital ammeter. Normal drain is around 100 milliamps or less, while excessive drain can cause battery discharge.

Disconnect the negative cable first, then the positive cable. Remove the battery thermo-wrap, hold-down clamp, and lift out the battery. Replace it with a battery of identical specifications. When removing the battery tray, disconnect the hose from the vacuum reservoir, remove the mounting bolt and nuts, and lift up the tray while disconnecting the electrical connector from the battery temperature sensor. Wash the tray and reinstall it following the reverse of the removal process.

You should avoid creating sparks or lighting matches near the battery because it produces flammable and explosive hydrogen gas.

When servicing the battery, precautions should be taken such as turning off the engine and all accessories and disconnecting the cable from the negative terminal.

Take this opportunity to inspect the carrier for any corrosion.

Perform a battery load test using a battery load tester. Make sure to follow the tool manufacturer's instructions and maintain the load for a maximum of 15 seconds.

Inspect the carrier (tray) for corrosion if you have early models with a metal tray.