Some of the most common indicators vehicle batteries can possibly be about to die are signs of slow starting, lamps starting seem to be dimming, just recently having had to jump start your vehicle, you've experienced alternator troubles, other electrical problems.
Possibly you didn't see any or there were no warnings of your vehicle battery failing and you are have been left stranded at work or home, if that's the case it may be worth looking up a mobile car battery replacement service in your area. They would be able to come to you with a new battery and replace on the spot.
Alternatively, you might want to change the vehicle battery on your own. The following is general advice on the best way to replace it yourself.
Vehicles nowadays store electrical configurations in there memory like radio codes , electric window settings ,power roofs ,etc. If its unfortunate that you battery is already completely dead you may have already lost these settings , or you would lose these settings if you disconnect the battery without an external power saving tool.
Some modern vehicle fitted with new start/stop technology and others with special charging systems may require that brand new vehicle batteries are registered with the vehicle. The kind of tools required to do this are not cheap, you might want to contact a local garage to see if they would be able to do this for you.
First thing is, you need to verify you have the right automotive battery for your vehicle before trying to change it out, the majority of batteries have a sticker attached probably on the top or side that contains the battery style, battery amps, and battery cranking on it. Always make sure that if your vehicle is fitted with an AGM battery type that its replaced with an AGM battery.
Approaching Your Battery Installation.
Make Sure Everything Is Switched Off
See to it that all your vehicle electrics are switched off and keys are taken out from the ignition.
Locate the Vehicle battery.
Vehicle manufacturers place batteries in various locations around vehicles ,the most normal battery places are , in the boot area, underneath the hood, or under seats.
Next Remove battery hold downs.
Vehicle batteries will normally have a clamp over the top or a small bracket at the base fixing the battery into place. These are quite often use 8mm,10 mm, or 13mm bolts or nuts, a socket and bar set could be required.
Beware as vehicles age the hold downs can easily get rusted, this may consist of having to change the battery tray. (Apply some WD40 type solution if they look corroded).
Try To Save Vehicle Electrical Settings.
Hook up a battery memory saver to the vehicle to try and save you vehicle electrical if they have not already been lost .
Time to Disconnect The Dead Battery.
Whenever you remove the dead battery, don't forget that battery leads will still certainly be live if you have external power connected . When removed, you will want to verify that the leads do not come into contact with another metal surface. Try to protect them using a non conductive object.
Most vehicle battery leads use 8mm,10 mm,13 mm nuts these may in most cases be undone with a spanner.
Disconnecting the leads.
Always disconnect the Negative Lead 1st.
The very first lead to take off should be the negative this will have the - (minus) icon on it or the battery area itself.
The Disconnect The Positive Terminal 2nd.
Then lift off the positive lead this will have + (plus) sign on it or the battery itself.
Right after you have the leads detached move them out of the way in such manner you have complete access to remove the battery (don't permit the unhitched leads to touch anything). Various vehicle batteries also have a gas venting line attached, this should be unfixed before removal.
Time For Connecting The New Vehicle Battery
Make sure that the battery place is clear and tidy, then verify the battery leads are out of the way and position the vehicle battery back into location.
Attach the Positive Terminal 1st.
Take away the non-conductive protection from the positive battery terminal and secure to the positive terminal on the battery. Verify it is pushed down and re tighten.
Attach the Negative Terminal 2nd
Remove the non-conductive protection from the negative battery terminal and attach to the negative terminal on the battery. Ensure to push it down and afterwards re tighten. If you have a battery gas venting pipe reconnect to the new battery.
Time To Remove the external power/battery memory saver.
If you are happy that your new vehicle battery is attached you can now disconnect the battery memory saver product. (Important ! Do Not Switch on Or Start The New vehicle With The Battery Memory Saver Still Connected).
Let's Start The Vehicle
You can now start the vehicle and confirm all is operating .
Secure The Battery Back Down
Now you have started the vehicle and you are happy all is ok, its time to secure the new battery by refitting the battery brackets . You need to make sure you do not make connection with the battery leads or battery terminals with your tools.
If Your Battery Needs Registering .
You only need to complete this step if your battery requires registering, plug in the registration tool and follow the guide on how to register.
If you have no experience fitting vehicle batteries, or your vehicle has extensive needs like battery registration, you may be better to get vehicle battery repair specialist to undertake the work for you.
Always refer to the vehicle makers recommendations for your specific vehicle before attempting to replace it yourself.