car battery keeps dying after replacing

It should be between 132v and 150v. Depending on power size and quality prices for a replacement car battery range from about 45 to 250.

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Your local dealership auto parts store or automotive service center can check your current battery or hook you up with a new car battery.

. But it would be good to have your alternator retested. You could get a jump and get your battery recharged but the same thing is going to happen again fairly quickly as the charge dissipates and once again dies because your car is not able to maintain the battery thanks to. Have the drive belt checked too to make sure it isnt slipping under load.

Posted on Sep 17 2010. With the engine running the battery voltage must be between 1375 and 1475 volts. Get Your Car Battery Replaced On Site by our Installation Experts.

We Go Wherever You Are. Also it could be a result of a problem in the electrical system. This will help keep the battery charged.

Battery Drain Video on YouTube. 382 Answers Usually this happens when you have a drain on the battery somewhere. You should have the battery and alt tested first but if you are sure they are okay then you need to check the fuseable link between the alt and the battery.

This kind of drain is extremely difficult to trace. Ad North Americas Largest Battery Store. The problem is most likely that something is draining the battery.

Up to 20 cash back The diode makes it to where current can only flow one direction but if it fails then the alternator can actually drain the battery insteadIf the charge rate at the battery is too low but the charge rate leaving the alternator is over 14v then it tells us that there is a problem with the lead cable and it may need replaced. There are usually two things that cause the battery light to come on after a battery replacement. There are a few reasons that your car battery could keep dying even if your alternator is good.

This is something the dealer can check. Touch the other lead to the negative battery post completing the circuit within the multimeter which will display the amp draw. If the voltage regulator in your car completely fails then the battery can no longer be charged by the alternator and it will soon lose its charge and die.

It could be weak and not putting out as much as it should. When your car battery keeps dying but the alternator is good then you may have two problems going on at the same time. Even newer cars have electronics that draw small amounts of electricity and if paired with an old weak battery can leave the battery dead.

It charges the battery as you drive. Touch a lead to the negative battery cable terminal. Probably will need battery charged or replaced because car has been running directly from it.

A trained professional can put a meter on your system to determine if the current draw while the vehicle is off is within specifications. If your car battery is more than 3 or 4 years old then its probably time to replace it. Over time a large amount of carbon can build up inside these parts pushing them beyond the limit that the computer can adapt to.

All of the old data should be reset after a few minutes so reconnect the fuses and restart your engine. The first problem is that the battery is bad and the second problem is that the temperature sensor in your thermostat housing could also be bad. If you find close to 122 volts it is good but discharged.

Listen to the radio which doesnt use much juice or just decompress from your day. This is especially true in late-model vehicles with their more sophisticated internal diagnostic systems. If it is around 11 volts the battery has a shorted cell and must be replaced.

How To Diagnose And Fix A Car Battery That Keeps Dying 1. The following are the steps of reconnecting a car battery. You also might have something that is drawing power after you shut off the engine.

The alternator is a crucial part of the electrical system. Switch off your vehicle and unplug all fuses once it has completely warmed up then detach the battery to cut power. Most people will have U do that as guesswork.

Perhaps something that is supposed to turn off when the car is turned off isnt. Pop open the hood to visually inspect the car battery. The most common problem is the 120A alternator relay.

By following the steps you will ensure. Check the voltage while running at around 1500 rpm. The most common explanation is that you have a bad battery.

It doesnt matter how much juice your alternator is pumping into your battery if it cant hold a charge. Cigrollers advice is good. If your car battery keeps dying over and over again one of the simplest explanations is that there is some kind of drain on the system that persists after you remove the keys and lock the doors.

A relatively common side-effect of replacing a battery andor alternator in a car is to have the voltage battery warning light come on. Disconnect the negative battery cable. If its dying when running then the alternator may be the problem.

Good luck Sign in to reply Enacoma on April 14 2021. SPONSORED LINKS Was this answer helpful. Sorry U had to unnecessarily replace an alternator.

Even if youve already ruled out obvious things like the headlights and dome light there may still be a drain in your system. Tags battery reconnect About Ourcollectivo Previous Rent Car Brownsville Tx Next Clean Machine Car Wash Lutz Check Also. Have the battery tested.

How do I reset my car after replacing the battery. Testing for the solution to this. I would check the car over really good to make sure there is nothing running after you shut it off.

EXPERT Check to make sure all battery cables are clean and tight. Switch off your vehicle and unplug all fuses once it has completely warmed up then detach the battery to cut power. Listen to see if you can hear the fuel pump running or anything that may draw on the battery.

Power draw should be. Cleaning these items returns them to their original condition and can make a big difference in how your. Severe cases of stalling after replacing the battery may require that your throttle body or your idle air control valveâ be cleaned out.

Some of the most common reasons for a car battery to die repeatedly include loose or corroded battery connections persistent electrical drains charging problems constantly demanding more power than the alternator can provide and even extreme weather. If not they may be able to trace Continue Reading Related Answer. Next turn on the major accessories heater motor lights radio and check the voltage again at 1500rpm.

Google battery drain bmw and you might find something that will help. If it is bad the alt cant charge the battery.

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