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alternators

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Symptoms of a Bad or Failing Alternator
Common signs include having to jump start the car frequently, dim lights when operating the vehicle, or the Battery Light coming on.
How Long Does an Alternator Belt Last?
Your car’s alternator is what delivers energy to your vehicle’s battery. It works by means of converting mechanical energy to electrical energy, taking power from the engine’s crankshaft and delivering it to...
Symptoms of a Bad or Failing Alternator Belt
A failing alternator belt can cause the Battery Light to turn on, dimming or flickering lights in the car, and engine stalls.
How the Alternator Works in Your Car
Your car alternator, at its most basic, is what works along with your battery and the rest of your charging system to keep your car running. When you start your car, you’re running on battery...
How to Test Your Alternator
Having your alternator fail can leave you stranded on the side of the road. Though it is not necessary to know every aspect as to how the alternator works, knowing...
How Long Does an Alternator Last?
Your alternator is a vital component in your car. It recharges your battery, using engine power, and it also delivers power to your car’s electrical components. Essentially, it keeps the battery from losing...
What Does the Alternator Warning Light (Battery Warning Light) Mean?
The alternator warning light means there is an issue with powering the battery. This could be due to the alternator becoming worn out.
A Mechanic's Guide to the Parts of a Car
Modern cars have many different parts and features, including catalytic converters, anti-lock brakes, four-wheel drive, and keyless ignition.
Alternator or Car Battery: How to Tell Which Part Is the Problem
When you need to go somewhere and your car won’t start, it’s not unreasonable to think that you could have a car charging problem. A jump start might fix it in the short...
Can a Car Battery Overheat in Hot Weather?
If it’s hot outside, and you’re experiencing car battery problems, you may be wondering if it’s possible for your battery to overheat. The answer isn’t really a straight yes or no. Generally speaking, your...
How Does a Mechanic Check a Car Alternator's Volt Output?
Have you ever wondered how a mechanic checks your alternator? It’s not something that has to be done all that often, because usually alternators are maintenance-free, and they can last for up to 12 years without needing repairs....
How to Buy a Good Quality Alternator
The alternator is one of those parts that, when it malfunctions, can leave you high and dry by the side of the road. This essential component of your vehicle’s systems turns mechanical energy into electrical...

Related questions

Question
REPLACE ALTENATOR
If the alternator has been bench tested and the test shows that even one of the diodes has failed, the alternator must be replaced. A failed or leaking diode can cause the battery to discharge when the car engine is...
Question
hey if i need my alternator in my jeep grand cherokee taken out and replaced. do you offer that service?
Alternator replacement is a standard mobile repair service performed by certified mechanics from YourMechanic. With regard to the cost, if you already input your vehicle data at YourMechanic's alternator replacement service page then the price you were quoted is complete...
Question
voltage warning light still coming on 30-45 seconds after car starts.
Nothing should be replaced until you have in hand a definitive diagnostic pinpointing the faulty segment of the car's electrical system. There may be too much voltage drop in the charging circuit, as well as elsewhere, but start with the...
Question
how much it is going to cost me to repair toyota corolla repair ?
Hi...To obtain an exact quote for the alternator, please click on "Get a Quote" at YourMechanic's alternator replacement service page. Once you accept the quote, a certified Mechanic, dispatched by YourMechanic right to your location, will perform this repair promptly...
Question
Will an 94 jaguar xjs alternator fit and work on an 94 jaguar xj6
The XJ6 uses a 120 amp alternator (AC Delco 334-1203) while the XJS uses a 115 amp alternator (AC Delco 334-1859). The terminal connections on the two alternators are NOT in the same position. Inasmuch as the part numbers for...
Question
Very loud and annoying squeaking
The alternator and/or power steering pump are possible sources of such noise as well as the belt tensioner pulley. To make sure the noise originates from the belt driven accessories, and not the engine, the serpentine belt can be disconnected...
Question
Me and my boyfriend was going to pick up his son. We turned around the corner and the lights and everything was still working but car stopped.
Hi there. It seems that the car battery has lost its charge and is not starting the engine. Check the battery cables and make sure that they are tight and clean. If the battery was drawn down, then check the...
Question
Alternator bracket broken.
A broken alternator bracket may cause some belt slip which will amount to charging system problems so the technician is correct on this part. The price to replace the parts will vary among service facilities as many facilities will have...
Question
Need to replace the alternator in my 2000 Nissan Pathfinder and have no clue what brand to get. 2000 Nissan Pathfinder
Hi there - Denso and Bosch are original equipment suppliers for Nissan. These may be purchased as "rebuilt" or "remanufactured" at lower prices than new, or Nissan-branded parts from a number of quality parts supplier. "Less expensive" may only consider...
Question
How much time should it take to replace the alternator and serpentine belt on the 2008 Ford F350 6.4 diesel
Hi there - I believe if you use the "pull the fender inner liner" approach, it's about a 2-hour job. Much longer task otherwise.
Question
I have a 1999 chevy silverado 1500 ls v8 5.3 liter what is my amperage on my altinator?
If you still have the original alternator installed, look at the numbers on the alternator. If you see a "K68" label (or part number 321-2104) you have a 105 amp alternator. If you see a "KG8" designation (or part number...
Question
My battery keeps dying.
While the engine is running, the alternator should be putting out at least 13.5 volts. Any lower than this and the alternator may be at fault. You should have the battery and charging system tested as a battery with a...
Question
Just replaced a power steering pump on a 03 Ford and it's still whining?
If the power steering pump is making the noise, then the pressure control valve could be stuck causing the pressure to spike on the system. If the noise is not coming from the power steering, then the noise would be...
Question
Why would the battery and brake light come on for no reason as well as the transmission jerking when accelerating from first to second?
Hi there. Your alternator may not be working properly. If so, turn off all the lights and have the engine running at night. Then from an idle condition, rev up the engine. If the brake and battery light become brighter,...
Question
When my alternator went out, could it have killed my battery?
Hello, thank you for writing in. The symptoms you are having are classic of a failing alternator. While the battery can be damaged and fail due to the vehicle relying solely on it for power while running, you will want...
Question
My car cuts off without any warning signs and it was hard for me to turn the steering wheel. It was smoking a little under the hood.
Hi there. The issue may be that when the vehicle was filled up, there may have been trash in the gas tank and it may have been stirred up into the fuel system which may have clogged up the fuel...
Question
I need a replacement part and I don't know what it is
There is a bolt that should attach to the bracket and a small bracket on the front that attaches the wiring assembly to the alternator. In the rear of the alternator is a long bolt with a spacer that supports...
Question
I have a 1999 dodge Durango and my problem is I could be driving down the road or sitting at a stop sign and it will cut off.
Hi there. If you can hook up jumper cables to your car for a few minutes, then your engine runs fine, then the battery needs replaced or charged and the alternator checked. If the alternator is working properly and has...
Question
Where is the starter located on my 2007 Mitsubishi raider?
Hi there. The starter location on your engine is on the driver side in the back of the engine. If there is a whirling noise by the alternator area when starting the engine up, then either there is a vacuum...
Question
Car is making a propellar sound when rpm goes above 3
You will need to open your hood and look for anything that may be caught in the engine belt and check belt for any cuts or frays. Replace the belt if it is coming apart.

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