What tools do I need to disconnect a car battery?
Most but not all battery-cable clamps have 10-millimeter bolts, so you’ll likely need a 10-millimeter open-end wrench to disconnect the cables. A socket-wrench set that includes that same-size socket will be helpful as well. In some cases, you can get by with just an adjustable open-end wrench.
What is the proper way to remove a car battery?
Disconnecting A Car Battery
- Start By Turning The Ignition Off. …
- Find Your Car Battery’s Negative Terminal. …
- Loosen The Nut On The Negative Terminal With A Wrench. …
- Remove The Negative Connector, Then Repeat With The Positive Terminal. …
- Remove The Battery If Necessary.
Which battery terminal do you take off first Why?
When disconnecting the cables from the old battery, disconnect the negative first, then the positive. Connect the new battery in the reverse order, positive then negative.” When you are replacing your car battery, It isn’t always easy to remember the order in which to disconnect and reconnect the terminals.
Do you need a battery terminal puller?
If it does not come off easily you may want to purchase a battery terminal puller. This will help prevent damage to your battery or cables. It is not recommended to use a screwdriver as a pry-bar; this could break off your battery terminal or cause other damage.
Can I change a car battery myself?
You’ll have no option but to call for assistance if your battery goes dead if you are on the road. But if you are at home and can get a lift to the auto parts store, you can replace a car battery yourself.
What happens if you disconnect the positive terminal first?
If positive terminal is removed first then chances of a spark are more if this terminal touches the body through the metal spanner or wrench you are opening with is grounded accidentally and may end in flames because lot of combustible material is around. And chances of this accidental touch are very high.
Is it OK to just disconnect the negative terminal?
Disconnecting the negative (chassis lead) will protect the electrical side of the battery. Removing the battery and storing it inside will protect the physical battery.
What happens if you connect the negative terminal first?
It is only a safety issue. If you first connect the negative cable, then when you connect the positive cable there is a chance the wrench will complete a circuit between the battery and the chassis of the car. This will at a minimum generate a spark, but that spark could eject molten metal toward you causing injury.
What battery terminal Do I disconnect to reset computer?
Disconnect the negative battery cable and then the positive cable with a combination wrench. Clean the battery posts and terminals with the post and terminal cleaning tool, so you have a good connection when you’re done.
Do you take the red or black cable off first?
First remove the negative (black) cable from the car, then remove the positive (red) cable from the battery terminal. Depending on the cause of your dead battery, you may want to have the car immediately looked at.
What are battery pliers?
The STEELMAN 77020 Battery Terminal Pliers are specifically designed to grip the square shaped bolts used on battery terminals. When servicing automotive batteries these angle headed pliers grip bolts tightly in their serrated jaws, holding them securely without digging into the soft metal of the terminals.
What is a battery puller?
The battery terminal puller is designed to remove a stubborn or corroded battery terminal clamp after the battery terminal nut has been loosened. This type of puller is only used on top post batteries. …
What cable do I need to remove my alternator?
If you’re tempted to test an alternator by disconnecting the negative battery cable, don’t do it. A good alternator may indeed keep the engine running without the negative cable, but this was never a good test. In the pre-computer days, you could pull it off without damaging anything.