car battery keeps dying but alternator is good

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. The Battery has Reached its Life Span.

Why My Car Battery Keeps Dying But Alternator Is Good

The charging system problem might be in the battery itself or the battery and the alternator connections where the current passes.

. Batteries have a limited lifespan depending on how much time they spent low on charge. Assuming your battery is good and your alternator is charging the battery properly the next suspect is a short somewhere that is. The bad alternator diode can cause the circuit to charge even when the engine is shut off and you end up in the morning.

The most common explanation is that you have a bad battery. Due to this fact if any accessory is left on it might continue to draw power from the battery causing it to loose power. Serving You Since 1979.

If not the problem will be with the wires coming to the alternator. One of the common faults that most car owners face is when the car battery keeps dying but alternator is good. Car Battery Keeps Dying But Alternator Is Good Reddit.

All you need to do is clean off any corrosion on the metal parts of both positive and negative - posts with a wire brush or sandpaper until they are shiny again. If the alternator is in bad shape its common for the battery to dye more often due to undercharging. The connection from the alternator to the battery.

When an automobile is not in use the battery keeps draining the charge. Check the tire pressure. Car battery keeps dying but alternator is good reddit.

If its providing a good output then inspect the cable carefully. 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. This should reduce the number of possibilities a little.

Its no wonder your battery keeps draining. When the car battery keeps dying but the alternator is good the possible problem must be the charging system. Bear in mind that fast chargers could cause your vehicle to overheat so choose wisely.

While youre under the hood or at Advance Auto Parts test the alternator. If you have that 13-15 volts at the alternator that reinforces the short to ground. Enter Your Vehicle Information to Find Parts That Fit.

Battery is new and alternator tested good. I charged the battery this morning went and put it in and it started right up. However even though the alternator is good the battery may keep dying.

Up to 8 cash back Hi there. A car battery kept above 85 charge its entire life and never discharged as in never or rarely starting the engine could last well over 10 years. Ad Compare Products at BlendedShopping.

Answer 1 of 5. Some of these problems are enough to kill a battery on their own while. What Causes a Car Battery to Keep Dying.

A fault here can be detected by checking the output of the alternator. The engine of our vehicle like the heart of the human body is responsible for bringing it to life. Common Reasons Why Car Battery Keeps Dying.

A simple fault with any of those components can alter the pleasure derived from the vehicle. When your car battery keeps dying but the alternator is good then you may have two problems going on at the same time. Up to 8 cash back 4.

Parasitic drain above safe threshold. We help you diagnose your car battery troubles. If the added measure of all of these drains is above the charging capabilities of the alternator your battery begins to drain itself.

A failed diode in the alternator creates a closed circuit. If youve checked the alternator belt and it looks good then your battery terminals may be corroded. If corrosion is not to blame then your car battery may have reached.

This can be done by removing the cover and looking for dust debris or other foreign objects that may be clogging up the filter. If the car battery is dying but the alternator is good it may be time to check the air filter. If the car battery keeps dying but your alternator is good you might be facing charging issues or trouble with a parasitic drain.

Check for alternator output at the alternator to determine if the power loss is before or after the alternator. This is known as a parasitic drain and happens. Car battery keeps dying when not in use.

Nobody looks forward to dealing with a dead car battery but its even worse if you swap out the dead battery for a new one only to have the same problem. Ive tried jumping it charging the battery getting a new fresh battery a new alternator and ive taken it to an auto electrical specialist who say they cannot find any fault or drain at all. But if any of the components that make up the engine fail the engine will fall like a dry pine tree just as it did in the beginning.

To check the alternator output first make sure the fuses are. Yet if you ever confront this situation multiple reasons are contributing towards the same. Find many products on sale.

When your car is not in use keeping a battery charged is difficult because the alternator doesnt have the opportunity to do its job. A car alternator recharges the battery and powers certain electrical systems like lights radio air-conditioning and automatic windows. Pull one fuse out and gently put one end of the fuse back in the clip lightly touch the other end on.

You also might have something that is drawing power after you. This problem can be so frustrating especially when you are ignorant of the causes and how to rectify the faults. Either you have too much accessories andor electronic or electrical peripherals.

My car keeps dying when Im driving and when I try to jump it sometimes it wont do anything at all and then a few days later starts right up. If the battery test shows that it is still good then its time to start looking at a parasitic power draw. Yes its a bit strange considering the alternator is in good shape.

If necessary a new air filter can be installed. And the battery is one of those critical components for the proper functioning of the engine. If your alternator has a bad diode your battery can drain.

Ad What Are You Working on Today. I charged the battery this morning. Shop High Quality Car Parts and Accessories Online or In-Store.

Battery is new and alternator tested good. Car Battery Keeps Dying but Alternator is Good. On most cars trucks and SUVs sold in the US the battery is used to engage the starter and power accessory components while the engine is not currently running.

It doesnt matter how much juice your alternator is pumping into your battery if it cant hold a charge. There are a few reasons that your car battery could keep dying even if your alternator is good.

Car Battery Keeps Dying But Alternator Is Good What Could Be The Cause