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      Your concern might be complex to diagnose and may require additional equipment to pinpoint the cause. In this case, you'll receive Digital Inspection results plus a quote to perform deeper diagnostic/test procedures.

      Top 87 Alternator Repair Shops in Smithtown, NY (page #2)

      Tire Guys Complete Auto Repair

      Tire Guys Complete Auto Repair

      4.8
      Good Standing
      Mo Closed
      Tu-Fr 9:00 AM – 5:00 PM
      Sa 9:00 AM – 4:00 PM
      Su Closed
      Performance Auto Solutions

      Performance Auto Solutions

      4.8
      Good Standing
      Mo-Fr 9:30 AM – 6:00 PM
      Sa-Su Closed
      BMA Specialists

      BMA Specialists

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Route 111 Tire & Auto

      Route 111 Tire & Auto

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa 8:00 AM – 12:00 PM
      Su Closed
      Mitchy Auto Service

      Mitchy Auto Service

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 1:00 PM
      Su Closed
      Port Jeff Car Care Center Inc

      Port Jeff Car Care Center Inc

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa-Su Closed
      Joe Riscica's Auto Repair Inc

      Joe Riscica's Auto Repair Inc

      4.8
      Good Standing
      Mo-Fr 7:30 AM – 6:00 PM
      Sa-Su Closed
      3 Brothers Auto Repair

      3 Brothers Auto Repair

      4.7
      Good Standing
      Mo-Sa 8:00 AM – 5:00 PM
      Su Closed
      Ronk Service Center

      Ronk Service Center

      4.7
      Good Standing
      Mo-Fr 7:00 AM – 5:00 PM
      Sa-Su Closed
      East Setauket Automotive

      East Setauket Automotive

      4.7
      Good Standing
      Mo-Sa 8:00 AM – 5:00 PM
      Su Closed
      Holbrook MTA Auto Service

      Holbrook MTA Auto Service

      4.7
      Good Standing
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      Mustang Magic & American Muscle

      Mustang Magic & American Muscle

      4.7
      Good Standing
      Mo Closed
      Tu-Fr 10:00 AM – 7:00 PM
      Sa 10:00 AM – 6:00 PM
      Su Closed
      Maximum Automotive

      Maximum Automotive

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Mighty Discount Automotive

      Mighty Discount Automotive

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Staria Automotive

      Staria Automotive

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa 8:00 – 11:30 AM
      Su Closed
      Middle Country Automotive

      Middle Country Automotive

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 2:00 PM
      Su Closed
      Garcia's Auto Repair

      Garcia's Auto Repair

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 4:00 PM
      Su Closed
      Mike's Mechanic's Services

      Mike's Mechanic's Services

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Central Islip Firestone

      Central Islip Firestone

      4.5
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 3:00 PM
      Su Closed
      Eastern Wheel Alignment

      Eastern Wheel Alignment

      4.5
      Good Standing
      Mo-Fr 7:00 AM – 5:00 PM
      Sa 7:00 AM – 12:00 PM
      Su Closed

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      Alternator Repair by city

      Top neighborhoods in Smithtown , NY

      Symptoms of a bad alternator

      A bad alternator can take a toll on your vehicle’s electrical system, affecting the dashboard, lights, multimedia, AC, etc. This is because the alternator is one of the "pulsing hearts" of your vehicle's electrical and charging systems, acting as a power supply to many components. If you suspect an alternator issue in your car, read our checklist below to try and find similar symptoms to yours.

      1. Dim or Flickering Headlights

      A failing alternator struggles to provide consistent electrical power, causing headlights to dim or flicker.

      2. Battery Warning Light

      The vehicle’s dashboard illuminates the battery icon when the alternator fails to charge the battery adequately.

      3. Dead Battery

      A bad alternator fails to recharge the battery, eventually leaving it drained and unable to start the car.

      4. Electrical Failures

      Insufficient power output from the alternator can cause issues like malfunctioning power windows, radio, or dashboard lights.

      5. Strange Noises (Whining or Grinding)

      Worn bearings inside the alternator or a loose serpentine belt can create whining or grinding sounds near the engine.

      6. Burning Rubber or Electrical Smell

      Overheating in the alternator or a slipping belt can cause a distinct burning smell.

      7. Car Stalls or Struggles to Start

      A failing alternator can't supply enough power to keep the engine running or to start the car reliably.

      8. Dim Interior or Dashboard Lights

      A bad alternator reduces electrical power to the vehicle’s interior lighting and dashboard displays.

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