How to open a car battery




How to open a car battery

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  • 3 Ways to Remove Car Battery Terminals - wikiHow
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  • Note: If you prefer, you can remove the battery from the car before cleaning and performing this maintenance, and reinstall it afterwards.

    Learn the procedure to replace a car battery yourself at UKRCAR.INFO Never open battery caps with your face directly over the battery. Use baking soda or an .

    How to open a car battery

    How to open a car battery

    Trickle chargers cannot always recharge a dead battery. If you know the battery is in good condition and you just want an estimate of the battery's state of charge, you may test any one cell. Since the battery is in known good condition, all the cells will have nearly identical specific gravity in the electrolyte. Put the wrench on the nut. Start with Step 1 below for detailed instructions on how to check car battery water levels, while protecting both you and your car.

    How to open a car battery

    How to open a car battery

    How to open a car battery

    How to open a car battery

    How to open a car battery

    Even maintenance-free car batteries can acquire corrosive buildup, which is produced when hydrogen gas produced by the battery comes into contact with dirt and sediment on the surface of the battery.

    Removing the terminals and cleaning them will help to prevent future mechanical problems. Featured Articles Car Batteries and Ignitions.

    How to open a car battery

    Open the hood of the car and use the support bar to prop it open. Locate the battery within the engine compartment. Some vehicles have their battery in the trunk, under or behind an access panel. Check the positive post to be sure that the cover is on. If the post is not covered, place a towel or other clean rag over the positive post. This will help you to avoid accidentally creating sparks by coming into contact with the positive terminal.

    Loosen the nut that holds the terminal onto the negative post using a socket wrench. The nut will be located to the left of the terminal. Lift the terminal off the negative battery post.

    How to open a car battery

    If needed, pry the terminal open with a screwdriver, or gently wiggle the connector until it loosens. Remove the cover from the positive post. Loosen the nut that holds the terminal onto the positive post by using a socket wrench. Although the negative terminal has been removed, still be careful to ensure the wrench used does not contact any other metal. Lift the terminal off the positive post. If needed, pry the terminal open with a screwdriver or wiggle the connector to loosen the terminal.

    Scrub the terminals and the posts using a special battery terminal brush, inexpensive and available at most auto parts store. This special brush has two parts, one to fit over the battery posts and another to fit inside the cable terminals.

    A battery terminal brush is specially designed for this job and will eliminate the need to use your fingers for cleaning. In a pinch, any wire or bristled brush will do, but, a small one will work best inside the terminals. If your brush will not fit into the interior of the terminals, try an old toothbrush or, as a last resort, use a rag draped over your finger to scrub inside each terminal.

    How to open a car battery

    Rub petroleum jelly onto the posts. The petroleum jelly will help to prevent future corrosion from building up. Place a socket wrench over the nut and tighten the nut until it no longer turns. Although the negative terminal is not connected, still be careful to ensure the wrench used does not contact any other metal.

    Place the cover over the positive post. If the cover is missing, then you should cover the post with a clean towel or a rag. Place the negative terminal back onto the negative post. Hand-tighten the nut until you can no longer turn it. Place a socket wrench over the nut and turn it until the nut is completely tightened. Discard any rags or towels that came into contact with battery acid. There is usually some mechanism keeping the battery fastened, but this comes in many different forms.

    How to do simple Car Battery Maintenance



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