Which is the best brand of alternators to buy?
AC Delco—The AC Delco brand is the aftermarket parts division of GM. They manufacture parts for sale through auto parts wholesalers and retailers. Motorcraft—The Motorcraft brand is Ford’s aftermarket parts division.
Is the alternator the only thing that powers the car?
Many people assume that the car’s battery is the only thing that powers all electrical components in the car. But, this is not true. The alternator plays a vital role in supplying power to the car’s AC, recharging the battery and ignition.
Why is there a noise coming from my alternator?
Noise from the alternator could be caused by a faulty rotor shaft, rectifiers, bearings, slip rings, stator winding or brushes. You will need to carefully inspect each of these components and replace them. One sure way of confirming that the noise is coming specifically from the alternator is to use a vacuum hose.
Can a bad battery cause an alternator to over charge?
Make sure that all the connections to the alternator, remote voltage regulator (if applicable) and battery are clean, tight and in good condition. Check your battery or have it tested at your local auto parts store. A bad battery cell can cause the alternator to over-charge the good battery cells.
Can a Saab 92 start with a bad alternator?
Dual ignition coils (the blue cylinders at the top of the picture) on a Saab 92. Before you go out and order a new battery or alternator, test some of these different systems. If your alternator, coil, battery, or starter is bad, the car probably won’t start, and it definitely won’t be drivable.
Noise from the alternator could be caused by a faulty rotor shaft, rectifiers, bearings, slip rings, stator winding or brushes. You will need to carefully inspect each of these components and replace them. One sure way of confirming that the noise is coming specifically from the alternator is to use a vacuum hose.
Many people assume that the car’s battery is the only thing that powers all electrical components in the car. But, this is not true. The alternator plays a vital role in supplying power to the car’s AC, recharging the battery and ignition.
Can a car battery be drained by an alternator?
While you might initially think that any problems with electrical things like lights or radio not working are directly related to the battery, the alternator is actually where most of the power in your vehicle comes from. Consider that if you were to leave the lights of your car on overnight by the next day your battery might be drained completely.
Why does my alternator not match my PCM?
If the voltage regulation is built into the PCM, as in most late model cars and trucks, the electronics in the alternator must communicate properly with the PCM. Again, if the software doesn’t match, you’re going to have problems.
What was the cost of an alternator 20 years ago?
Here’s the scoop on the current state of alternators. Twenty years ago your only choice was a new alternator from the dealer or a rebuilt alternator from the auto parts store. So really, your choice was; spend $450 at the dealer or $125 at the auto parts store for a rebuilt.
If the voltage regulation is built into the PCM, as in most late model cars and trucks, the electronics in the alternator must communicate properly with the PCM. Again, if the software doesn’t match, you’re going to have problems.
AC Delco—The AC Delco brand is the aftermarket parts division of GM. They manufacture parts for sale through auto parts wholesalers and retailers. Motorcraft—The Motorcraft brand is Ford’s aftermarket parts division.
Here’s the scoop on the current state of alternators. Twenty years ago your only choice was a new alternator from the dealer or a rebuilt alternator from the auto parts store. So really, your choice was; spend $450 at the dealer or $125 at the auto parts store for a rebuilt.