What happens when you change the alternator in a car?
After replacing, though, it still has a problem with charging the battery, at least on initial start. Basically, when you start the car, the battery light comes on immediately. Hit the accelerator or drive 15-20 feet and the battery light goes out and the alternator starts charging again.
Can a loose tensioner cause an alternator to fail?
Nevertheless, if the tensioner wears out, it can cause alternator problems (loose belt or worse, the belt can totally fall of the alternator pulley). Broken or damaged wires This happens mostly in older cars duo to material fatigue of the electric installation.
What should I do if my alternator won’t start?
In general they don’t remove and install starters and alternators, but rely on the car owner or general mechanic to do that. You might call or visit an auto electric shop and explain your problem. I agree with Triedaq and suggest you find a better mechanic.
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.
Why does my car not start when I jump the alternator?
If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is probably the problem. In this case, the alternator is doing its job of keeping the battery going once it has been jumped, but the battery can’t hold a charge when the alternator is shuts off.
After replacing, though, it still has a problem with charging the battery, at least on initial start. Basically, when you start the car, the battery light comes on immediately. Hit the accelerator or drive 15-20 feet and the battery light goes out and the alternator starts charging again.
Can a bad battery cause an alternator to fail?
The alternator is responsible for recharging your car’s battery. Car batteries can (and do) fail on their own. However, a bad alternator can cause your car battery to drain and not be recharged. If you find yourself jumpstarting your car frequently or your battery dies, be sure to have your alternator checked.
How to diagnose an alternator or electrical problem?
Diagnosing alternator problems can be a bit tricky because the electrical system in a car comes from two places, the battery and the alternator. I’ll give you a little background so you can understand what both systems do. The battery has one primary function, which is to start the car.