How does Autozone check your alternator?
AutoZone will test your car's parts for free. We can test your car's battery*, alternator*, starter* and voltage regulator while they're still on your car. We can also give your car a complete starting and charging systems test. You can also take your alternator, starter or battery into our store and we'll test it.
Problem: Lights flare excessively as engine speed increases. Solution: This is usually caused by an overcharged battery, which is typically the result of high alternator voltage. This can be caused by a short or ground in the rotor field winding within the alternator or a defective regulator.
What can cause an alternator to overheat?
Over Heating: Heat is a major cause of failure in alternators. The alternator has vent holes that allow heat to escape and help to prevent overheating. When vent holes are plugged by 60% or more, failure is likely to occur. Arcing: Notice a loose electrical connection has caused arcing and burning.
All Autozone locations should offer the service. Please note that while Autozone says they offer check engine light diagnostics, it typically is not as thorough as people expect. The "diagnostic" consists of having error codes scanned and then possible causes and solutions being printed out.
Can you make a return to Autozone without a receipt?
IN-STORE RETURN POLICY. To return a product to an AutoZone store, return an item in its original condition and packaging, with receipt, within 90 days of the purchase date to request a refund. Return a defective item within the warranty period. Requests for refunds may be denied if the item has been used or installed.
Who can charge a car battery?
AutoZone Starting & Charging guide - Batteries. AutoZone stores can charge your battery for free. We have a Duralast fast charger that can charge a 12 volt battery in about 30 minutes. AutoZone also offers overnight battery charging for 6 and 12 volt lawn and garden, motorcycle and marine batteries.
How long does it take to recharge a car battery?
A car battery usually holds 48 amps so if you take that it charges at approximately 1 amp per hour you can work out how long it will take to charge your battery with various amperage chargers. Charging your battery with a four amp charger will take about 12 hours to get a full charge out of this low amperage.
Can I return an item to any Autozone?
To return a product to an AutoZone store, return an item in its original condition and packaging, with receipt, within 90 days of the purchase date to request a refund. Return a defective item within the warranty period. Requests for refunds may be denied if the item has been used or installed.
How much does it cost to change a car battery?
The cost of a car battery. According to CostHelper, a typical car battery costs between $50 and $120, while premium batteries cost $90 to $200. Service providers on Angie's List that we spoke with say the average battery cost runs in the $75 to $120 range. Several factors affect the cost, such as battery type.
How do you take a battery out of a car?
Disconnect the negative connector once the nut is loosened by pulling it off. Set it aside, away from the battery. Loosen the nut on the positive terminal and disconnect it from the battery. Remove the battery, being careful not to let the positive terminal touch any metal part of the car.
How do you remove a battery?
Lift the terminal off the negative battery post. If needed, pry the terminal open with a screwdriver, or gently wiggle the connector until it loosens. Remove the cover from the positive post. Loosen the nut that holds the terminal onto the positive post by using a socket wrench.
How do you test the starter solenoid?
Method 3 Testing Current Resistance
- Connect the voltmeter to the positive terminal on the battery.
- Connect the negative lead to the ground terminal.
- Observe the reading on the voltmeter.
- Have a friend turn the ignition.
- Move the voltmeter to the leads on the starter solenoid.
- Look for an appropriate voltage drop.
A car alternator needs to be putting out at least 13-14 volts (ideally between 13.8 and 14.2 volts) to effectively charge a 12 volt car battery. If the alternator is putting out too much voltage (15+ volts), it is likely your battery acid will boil over out of the battery.
How do you change a car battery?
Place the new battery in the battery hold-down tray and secure the battery with the hold-down clamp. Spray both terminal ends with anti-corrosion solution. Attach and tighten the positive battery cable (Red). Attach and tighten the negative battery cable (Black).
Can you touch the terminals of a car battery?
Your body is just not conductive enough to be fried by 12 volts. Ray: The danger from car batteries is not so much electrocution as it is explosion. If you touch both terminals with a metal wrench, for instance, you can create a spark that can ignite hydrogen gas in the battery.
If you connect negative terminal first, there are chances are circuit to be shorted while positive terminal is connected. Always while connecting, positive terminal first then negative and the ground (to avoid fuse).
Do you take off the positive or negative first?
Because that cable is connected to the car body and if you go for the positive one first and accidentally touch any metal part with the metallic tool you will short circuit the battery (not to mention causing a shower of sparks). With the negative cable disconnected, proceed to the positive one.
Why do you disconnect the negative terminal first?
This is because the chassis of the car is connected to the negative cable. If you started removing the positive cable instead, your wrench could hit the chassis and cause a short (because the chassis is connected to the battery's negative terminal).
Updated: 7th December 2019