How to Clean Battery Corrosion: 2004 Volkswagen Jetta GL 2.0L 4 Cyl. Sedan

Volkswagen Jetta Model Years - 1999, 2000, 2001, 2002, 2003, 2004, 2005

1. Getting Started - Prepare for the repair

2. Open the Hood - How to pop the hood and prop it open

3. Access Battery - Learn where the battery is located

Car Displayed: 2003 Volkswagen Golf GL 2.0L 4 Cyl. (4 Door) info

4. Remove Cables - How to disconnect the cables the right way

5. Clean Cables - Clean with baking soda, water and a wire brush

6. Connect Cables - Re-connect the cables in the right order

7. Replace Cover - Ensure the cover is put back properly

Car Displayed: 2003 Volkswagen Golf GL 2.0L 4 Cyl. (4 Door) info

8. More Info. - Additional thoughts on corrosion prevention

Author

Hans Angermeier is an ASE certified Maintenance and Light Repair Technician and has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road. Over the past 10 years, Hans has been focused on building CarCareKiosk, which is visited by millions of drivers each month.

Share on   Share on Twitter   Share on Facebook
Parts & Tools
We may earn a commission from qualifying purchases as an Amazon Associate
Video Description

If the battery in your 2004 Volkswagen Jetta has crusty white or green build-up and corrosion on the clamps, posts or terminals, you can improve the performance and lifespan of your battery significantly by cleaning it. Your battery is depleted when it is used to start the car, but then recharged when you drive your Jetta, the corrosion limits the ability for your Jetta to recharge the battery when driving. The video above will show you the correct order to safely remove the battery clamps in your Jetta and what to use to clean your battery terminals and clamps. We will also show you a tip for preventing this buildup in the future so the battery in your Jetta will be optimally charged whenever you drive it!

Car batteries contain dangerous and flammable fluids. Always use safety glasses and gloves whenever working with the battery. Check out our parts page for great deals and coupons on safety glasses, gloves and battery terminal brushes for your Jetta!

  • Advance Auto coupon for
    20% off entire order: KIOSK20
2004 Volkswagen Jetta GL 2.0L 4 Cyl. Sedan Air Filter (Cabin) Replace

Dirty cabin air filter cause undue wear on your car's heater and AC and can cause bad odors

2004 Volkswagen Jetta GL 2.0L 4 Cyl. Sedan Lights Parking Light (replace bulb)

Small bulbs that burn out regularly - did you know you can replace these with LED lights?

2003 Volkswagen Golf GL 2.0L 4 Cyl. (4 Door) Fuse (Engine) Check

Odd electrical problems that come out of nowhere can often signify a blown engine fuse - check and change yours here!

2004 Volkswagen Jetta GL 2.0L 4 Cyl. Sedan Windshield Washer Fluid Add Fluid

One of the easiest fluids to top off - learn how to open the hood and where the reservoir is on your car