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Is it time to replace your alternator or battery?

Is it time to replace your alternator or battery?

If so, it’s time to replace it. Some may recommend running the engine with the negative battery cable disconnected to test the alternator. However, this is not a good idea because it could damage the electrical system of your vehicle and cause greater problems. Fixing your battery or alternator can be an expensive repair.

Can a bad alternator keep a car going indefinitely?

An alternator can help replenish the battery in your car, but it can’t keep it going indefinitely. This means it’s important to distinguish between a weak battery and a bad alternator.

How can you tell if your alternator is a problem?

How to tell if the alternator is the problem. If the battery is working, it’s time to take a closer look at the alternator. There are certain signs of a bad alternator to look for: While running the car, take note of the interior lights and how bright these appear.

How does an alternator start and run an engine?

Starting and running an engine, in its simplest form, is a three-step process. First, the battery delivers a jolt of electricity to the starter. This starts the engine running, which puts the alternator into action. Finally, the alternator completes this cycle by charging the battery.

When is it time to replace your alternator?

Your alternator needs to know when each one of those things is plugged in and turned on, so that it can increase power. More importantly, just like with your breathing, your alternator needs to know when to put out less power.

What does it mean when your alternator is not working?

That means no starting, no running, no driving. When your alternator is working and doing its job properly, your battery stays charged, your spark plugs have plenty of spark, and all of your vehicles accessories run without issues.

Can a bad car battery cause an alternator to not charge?

In theory a car can run only with the alternator charge, but this can cause heavy voltage spikes and other strange symptoms so this means that a bad car battery can cause an alternator to not charge also. Cars are increasingly coming with modern electronics.

Is it time to replace your alternator wrench wench?

Wrench Wench has been in love with automotive mechanics for decades. She loves sharing advice with fellow DIY mechs and curious cats. Alternators are really not complex mechanical components. They are a type of generator that creates an alternating current.

Why does my car not start with a new battery and alternator?

With a new starter, battery, and alternator (assuming you have not drained the battery attempting to start it), the starter should attempt to crank over the engine. If the starter does not make any noise when the key it turned to crank over the engine, you have an issue with the fuses, or the circuit.

Can a negative battery test a bad alternator?

Some may recommend running the engine with the negative battery cable disconnected to test the alternator. However, this is not a good idea because it could damage the electrical system of your vehicle and cause greater problems. Fixing your battery or alternator can be an expensive repair.

What’s the difference between brand new and remanufactured alternators?

You know what brand new means, while “remanufactured” means the alternator gets completely taken apart, and many wear components replaced with new parts, often including upgrades for longer life. They have warranties too, and can last longer than new, since most of the internal parts are brand new.

What’s the problem with a new alternator and battery?

Had it installed at a mechanic and the same problem would happen. After being jumped, it would start but putter out in like 4 minutes. The mechanic went out of their way and bought a different alternator from a different vendor; installed it and the same problem happened.

Is there a problem with the alternator in Liberty?

Discussion in ‘ Liberty ‘ started by jonahb1987, Jul 10, 2019 . I recently had a breakdown. At first we thought it was the alternator, so I bought a new one. Had it installed at a mechanic and the same problem would happen. After being jumped, it would start but putter out in like 4 minutes.

How long can a battery last without an alternator?

A good alternator and can last well over a decade, sometimes as long as 15 to 20 years. However, if an alternator does fail on you then you’ll know it fairly quickly as your electrical systems will fail soon afterwards. The charge in your battery does not last long without the alternator there to keep it running properly.

What did I do when my alternator died?

I was driving on the freeway and my car started to make a weird noise. Pulled over to the next lane for the next exit. It automatically died and locked up. I kicked it in neutral and forced it onto the shoulder. Roughly a week or two before that I replaced the alternator and it was running great.

Why does the battery warning light come on after replacing the alternator?

A relatively common “side-effect” of replacing a battery and/or alternator in a car is to have the voltage (battery) warning light come on. This is especially true in late-model vehicles with their more sophisticated internal diagnostic systems.

Why does the battery light come on after the alternator is replaced?

This would make the Battery Light come on. It is also possible that there is a problem with the fusible link or the alternator fuse for the charging system.

What happens to power steering after an alternator is replaced?

Usually when brakes pads are replaced and the rotors surfaced, it may make the brakes feel stiff for a while until they wear in, but it shouldn’t impact the power steering at all. The only thing I could think of… Engine sludge?

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Ruth Doyle