Should I replace my alternator now? Watch out for these warning signs
The alternator keeps your vehicle’s electrical components running once the engine is on—and recharges the battery along the way. When the alternator begins to fail, you’ll often notice several warning signs before it stops working completely. Recognizing these early symptoms can help you avoid getting stranded. At Integrity Fleet Service, we provide expert alternator replacement in the greater Gilbert area. Here are five common signs that it’s time to replace your alternator.
Dimming/Flickering Lights
One of the most noticeable signs of alternator trouble is dimming or flickering headlights, dashboard lights, or interior lights. Since the alternator powers the electrical components while the engine runs, weak or inconsistent lighting often indicates that it’s struggling to maintain a steady electrical output.
Battery Warning Light on the Dashboard
If a battery-shaped warning light or ALT or GEN light appears on your dashboard, don’t assume it’s just a battery issue. This light often signals a problem with the charging system, which includes the alternator. When the alternator can’t supply enough voltage, your vehicle relies more heavily on the battery, eventually draining it.
Dead or Weak Battery
A weak or repeatedly dead battery might actually be a symptom of alternator failure. If the alternator isn’t producing enough power to recharge the battery while the engine is running, the battery’s stored energy will deplete.
Electrical Accessory Failures
When the alternator starts to lose efficiency, you may notice electrical issues throughout your vehicle. Power windows may move slower than usual, your radio might cut out, or the AC may malfunction. Since modern cars rely heavily on electrical systems, any widespread power inconsistency is a strong indication that the alternator can no longer handle its load.
Strange Noises from the Engine Bay
A failing alternator can sometimes produce unusual sounds. Worn bearings inside the alternator can cause a grinding noise, while belt issues can create squealing sounds. These noises should be inspected quickly, as continuing to drive could lead to complete alternator failure.
Alternator Replacement in Gilbert, AZ
For top-quality
auto repair in Gilbert
and the surrounding area, contact
Integrity Fleet Service
at
480-209-5405. At our local auto shop, we can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call to schedule an appointment!











