How To Clean Battery Terminals 04-09 Subaru Outback

Difficulty: Beginner · About 20 min · Subaru Outback

Clean corroded battery terminals on a 2004-2009 Subaru Outback.

Steps

1. Disconnect the battery

   Loosen the negative terminal with a 10mm wrench and set it aside, then do the same for the positive terminal.

2. Clean the battery

   Pour a baking soda and warm water mixture over the terminals and scrub with an old toothbrush to dissolve corrosion, then pour some over the rest of the battery and scrub its top too.

3. Clean the terminals

   Apply more of the baking soda mixture directly to the terminals and scrub them again with the toothbrush.

4. Rinse and dry

   Rinse the terminals and battery with clean warm water, then dry with paper towels or let it air dry.

5. Reconnect the battery

   Reattach the positive terminal and snug it with the 10mm wrench, then reattach and snug the negative terminal the same way.

Check your vehicle’s repair manual for exact specifications and fit.