Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Precautions for Handling Battery
- Never expose the battery to an open flame or electric spark. A battery generates highly flammable and explosive hydrogen gas.
- Battery fluid is a corrosive acid. Do not allow it to contact eyes, skin, fabrics, or painted surfaces of the vehicle. If the fluid contacts any of them, immediately and thoroughly flush the affected area with a large quantity of water.
- Keep the battery out of reach of children.
- The battery is a very reliable component, but needs periodic attention.
- Keep the battery carrier clean.
- Prevent rust formation on the terminal posts.
- Uniformly keep electrolyte at upper level in all cells. (If provided with cells)
- When keeping the battery in the vehicle over a long period of time, follow the instructions given below.
- Start the engine weekly and run it until it reaches normal operating temperature with engine speed at 2000 to 3000 rpm. Make sure all electric switches are turned off before storing the vehicle.
- Recharge the battery once a month to prevent excessive discharging. This is especially important when ambient temperature is low.
While vehicles are stored, the battery discharges when it is not used. Battery electrolyte can freeze and battery case can crack at cold ambient conditions if the battery is not properly charged.
- Keep the battery cable connections clean.
The cable connections, particularly at the positive (+) terminal post, tend to become corroded. Rust on the mating faces of conductors caused by corrosion hinders the flow of current.
Clean the terminals and fittings periodically to ensure good metal-to-metal contact, and grease the connections after each cleaning to protect them against rusting.
- Always be aware of battery charge conditions. The simplest way to check conditions is through a hydrometer test. The hydrometer is an instrument for measuring the specific gravity (S.G.) of the battery electrolyte. The S.G. of the electrolyte indicates the charge conditions, see BATTERY INSPECTION .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.