Jeep VU01205 Terminal-Battery Terminal

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The battery is at the left front corner of the engine compartment and is held in place by a clamp at its base, and the hold-down nut is at the base. Always disconnect the negative (-) battery cable first, followed by the positive (+) cable. After the cables are disconnected, remove the nut and hold-down clamp, and then remove the battery. Installation is the reverse of removal. Be careful not to overtighten the retaining nut as the clamp could damage the battery case.

It is mounted on a raised deck inside the engine compartment, the general maintenance involves checking the level of electrolyte by eye as there are low and high level indicators on the plastic case. The electronic voltage regulator maintains the battery fully charged at all times but prevents overcharging of the battery, thus requiring less frequent electrolyte topping, but one has to monitor for leaks or faults, preferably weekly. If topping up is required, distilled or purified water only should be used; the procedure entails initiation of battery cover, retracting all plugs of the cells, and making sure the level lies between the two marked lines. It is recommended to routinely assess the security of the battery lead terminals and apply some petroleum jelly to avoid development of corrosion; remove any white fluffy thing which is corrosion with ammonia or baking soda solution. The two things that can be fatal are never to turn off a battery lead while the engine is running or ever reverse the leads. It is possible to use the trickle charger without the battery being removed but the leads from the vehicle has to be disconnected. Minimally and preferably do not use naked flames or smoke within a proximity of a battery, particularly when charging due to the blowing up of gases produced. In boosting a battery from another vehicle, ensure the positive wire of the rescue vehicle is connected to the positive terminal of the discharged battery and negative to any good connection on the engine whichever is positive connect first once the engine has started remove the negative cable of the discharged vehicle. It is advised to protect the battery cell vent plugs with a cloth during terminal connecting operations because sparks may arise. Whereas today few people check battery water, having a hydrometer is desirable in case one has to find out whether there is one cell which is discharged or to make sure that the battery is fully charged. The specific gravity of the electrolyte for fully charged and fully discharged conditions with reference to temperature, is also given, however, it should be pointed out that the addition of acid to a battery should never be required since the only causes for it to be lost are spillage which should always be made good by a dealer.

Some safety measures must be observed when inspecting or recharging the battery because hydrogen gas contained in the battery cells is highly flammable; thus, it is prohibited to smoke, use any opening flames or sparks near the battery. The electrolyte solution used inside the battery is dilute sulfuric acid; this strongly corrodes skin and eyes, and bleaches clothes and any painted surface. Personal protective equipment that should be worn when attending to the batteries include gloves, goggles or nose mask; for the actual maintenance process, items needed are baking soda, a stick of petroleum jelly, battery cable puller, cleaning tools for both cables and terminal post, and a hydrometer. First of the battery should be inspected for crack and leakage, all vent caps should be removed to check the level of the electrolyte solution and add distilled water if is low but it should not be overfilled. On a case to case basis take a hydrometer reading of the electrolyte solution and correct it where necessary particularly when in a freezing environment the reading is usually low and recharge the battery. Check the battery cable clamps are closed and not rusty, if they are, then remove the rust and use petroleum jelly or grease to prevent rusting in future. Check cables of battery for signs of wear and tear and oversheath of the positive terminal is present and in good condition. The battery should be fastened down to prevent it from coming loose, but not over torqued while the case and caps should be clean and dry. If the car will not be driven for a long time it is advisable to remove the battery cables and recharge the battery about once every six weeks. Corrosion on hold-down components and inner fender panels can be effectively rinsed with water mixed with baking soda while on the battery case and terminals, special cautious has to be taken not to come into contact with the battery cells. If metal items are exposed due to leakage of battery acid they should be painted with zinc-based paint and primer after washing. If specific gravity is low, then give battery a recharge but disconnect cables to avoid inflicting damage to the electrical system if charging in the automobile. Charging should not be done near smoke or flames and charging should only be started after connecting all the terminals. It normally takes between 12 and 16 hours to charge and a slow charge is best for the life of the battery. Take off the vent caps and put a clean cloth over the holes in order for the charger terminal to touch the battery terminal and set the charger to 12 volt range. Watch the battery while charging so as not to overcharge, and consider the battery fully charged when it starts gassing vigorously and when its specific gravity readings are constant over three hourly intervals; gassing, overheating and low specific gravity are signs of a bad battery.

Start by removing the battery hold-down clamp. Unscrew the hold-down bolt and remove the clamp. Carefully lift out the heavy battery.

The battery carrier should be checked for good condition and tight hold-down clamp bolts.

Remove the battery cover/splash shield from the wheel well by turning the four plastic fasteners 1/4-turn counterclockwise.

Routine preventive maintenance for the battery is crucial to ensure quick and reliable starts in your vehicle.

Charge the battery.

Steps for inspecting its external condition, checking for corrosion, and cleaning the cable clamps and terminals are provided.

Add enough water to bring it to the correct level.

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.

Ensure that the battery tray and hold-down clamp fasteners are in good condition.

You can determine the state of charge of the battery by measuring the specific gravity with a hydrometer or checking the built-in hydrometer (if applicable), or by using a digital voltmeter to check the charge. A fully charged battery should read 12.6 volts or higher.

The battery is located at the left front corner of the engine compartment.

You should clean the cable clamps, terminals, and battery case with a solution of warm water and baking soda, taking care not to let the solution enter the battery.

The average charging time typically takes 12 to 16 hours, but it should be determined by the charger's instructions.

Lift the battery from its tray.

Carefully lift out the battery to avoid spilling electrolyte on the paint.

A slow-rate charger with a one or two-amp capacity is recommended for restoring a discharged battery or maintaining battery charge in a vehicle driven short distances.

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

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.

The battery case should be checked for cracks and damage.

Always disconnect the negative cable first and hook it up last to avoid accidentally shorting the battery.

Replace it.

Take this opportunity to inspect the carrier for any corrosion.

A routine preventive maintenance program for the vehicle's battery is essential to ensure quick and reliable starts, which are crucial for the vehicle's performance.

Look at the indicator eye on top of the battery. A green eye indicates 75 to 100 percent charge, a black eye indicates 0 to 75 percent charge, and a clear eye indicates low electrolyte level.

Transfer the thermal guard to the new battery.

A drain of approximately 100 milliamps or less is considered normal during the battery drain test, while an excessive drain of 500 milliamps or more will cause the battery to discharge.

Remove the battery hold down clamp.

Measure the specific gravity with a hydrometer if the battery has removable cell caps. Some batteries have built-in hydrometers or can be checked with a digital voltmeter.

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.

Proper battery maintenance is crucial to ensure reliable starts in your vehicle.