Repair & Maintenance
How to Change a Car Battery
a clicking sound whenever you turn on the ignition? Are your headlights
dimming? Maybe you've noticed cracks around the battery casing.
These are all
signs that your car battery may need replacing. Before
you go out and buy a new battery, first make sure you need one.
battery trouble may be caused by white sulfate buildup around the
cable terminals which can be simply removed with a stiff brush to
solve the problem. At other times, tightening up a loose terminal
connection may do the trick.
If all else
fails, it's time to change the battery:
How to change
a car battery
the engine. Open the hood, prop it up safely, and locate the battery.
the negative ("-" or black) battery cable FIRST by loosening
the nut on the negative cable clamp with a wrench. Pull up on
the end of the cable or pry up with a screwdriver.
the positive ("+" or red) battery cable.
clamps or bars holding the battery in place. Using both hands,
grab the battery from the bottom and take it out of the tray.
(Note: car batteries can weigh up to 60 lbs., so if you an existing
back problem be sure to get help with this part.)
Use a wire
brush to clean any sulfate buildup from around the battery tray
or terminal clamps.
new battery in the tray and replace the hold-down clamp. Attach
and tighten the positive battery cable, then attach and tighten
the negative battery cable. Check that all cable connectors are
tight, but not too tight as to damage the terminals. If the car
doesn't start, give the clamp nut an extra turn to secure more
- What you'll
need: new replacement battery, wrench, stiff wire brush
- Cost: $45 to $90 for a new car battery
- Time: 20-30 minutes
changing car batteries around the Web:
to Change a Car Battery
Maintenance: Checking Your Car Battery - For Dummies
in Cars--> How
to replace an air filter | How
to replace a headlight bulb
For informational purposes only. For complete expert advice,
see your car dealership or professional auto mechanic.