How to Clean Battery Corrosion and Build Up

Step-by-Step Guide

1. 1

   Step 1: Remove the battery cables from the battery terminals.

   Loosen the nut on each cable clamp.
   
   Remove the cable clamp from the negative terminal, marked with a "-"
   
   followed by the clamp from the positive terminal, marked with a "+".
   
   Reverse the procedure when replacing them.
   
   Cables can be difficult to remove.
   
   You may have to wiggle and lift it upward until the clamp comes off the terminal post.
   
   If there is excess corrosion, you may also need a pair of locking pliers.
2. 2

   Step 2: Examine the cables and clamps for excess wear or corrosion.

   If you find this to be the case, you should replace them. , If you find either, replace the battery. ,,,, You can also use a plain wool pad to shine up the insides as well. ,, This will slow down the formation of corrosive deposits. , Use a proper sized wrench to tighten them down. , If you don't have one, any local auto parts store should carry it.
3. 3

   Step 3: Check the battery case for cracks and the terminals for damage.

4. 4

   Step 4: Secure the loose cables so that they don't accidentally flop on to the terminals.

5. 5

   Step 5: Pour baking soda directly onto the posts.

6. 6

   Step 6: Use a damp or wet toothbrush to scrub the baking soda into the terminal posts and cable clamps.

7. 7

   Step 7: If this isn't doing much

8. 8

   Step 8: use a battery terminal cleaner brush.

9. 9

   Step 9: Dry everything off with a clean rag.

10. 10

    Step 10: Apply grease or petroleum jelly onto the posts.

11. 11

    Step 11: Replace the positive clamp and then the negative clamp.

12. 12

    Step 12: Replace the rubber boot or plastic shield that covers the plastic terminal.

Detailed Guide

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