Clean Corroded Battery

Clean Corroded Battery
  • Difficulty


Disconnect the cable clamps from the battery (negative/black first and then positive/red). Reconnect the cables to the battery securely (positive/red first and then negative/black). Any looseness in the cables can prevent your car from starting so tighten them securely.

You need

Step By Step Instructions


Step 1

car battery

You need:

After loosening the cable clamps and battery holder, remove the battery from the vehicle.


Step 2

car battery outside

You need:

Begin by cleaning the entire top of the battery of dirt and oxidation using baking soda and water.


Step 3

dremel corners

You need:

While the battery is removed from the vehicle, clean the cable clamps until shiny with the 535 or 536 brass brush. Recommended speed: 15,000 rpm.


Step 4

car battery

You need:

Re-install the battery in the vehicle. Lightly coat the connections with grease and re-attach the clamps.


To reduce the risk of injury user must read instruction manuals for all tools used in this project. Wear eye and respiratory protection. Use clamps to support work piece whenever practical.