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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 33 Alternator Repair Shops in Longmont, CO

      AutoTechIQ's Featured Certified Shop
      BG Automotive

      BG Automotive

      4.8
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      This shop specializes in more than 2 vehicle models and provides Digital Vehicle Inspections (DVI) so you can choose the best option for your repair.
      Best Auto Repair of Longmont

      Best Auto Repair of Longmont

      4.5
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Knott's Auto Tech

      Knott's Auto Tech

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Meining Automotive

      Meining Automotive

      4.8
      Good Standing
      Mo-Fr 7:30 AM – 5:00 PM
      Sa-Su Closed
      Longmont Auto LLC.

      Longmont Auto LLC.

      4.6
      Good Standing
      Mo-Fr 9:00 AM – 6:00 PM
      Sa-Su Closed
      Steve's Automotive

      Steve's Automotive

      4.6
      Good Standing
      Mo-Fr 7:30 AM – 5:00 PM
      Sa-Su Closed
      Automotive Authorities

      Automotive Authorities

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Christian Brothers Automotive Longmont

      Christian Brothers Automotive Longmont

      4.8
      Good Standing
      Mo-Fr 7:00 AM – 6:00 PM
      Sa-Su Closed
      Hayes Automotive

      Hayes Automotive

      4.6
      Good Standing
      Mo-Fr 7:30 AM – 5:00 PM
      Sa-Su Closed
      Carworks of Longmont Auto Repair

      Carworks of Longmont Auto Repair

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Dynamic Import Service

      Dynamic Import Service

      5
      Good Standing
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      Pride Auto Care

      Pride Auto Care

      4.3
      Good Standing
      Mo-Fr 7:00 AM – 5:00 PM
      Sa-Su Closed
      Midas

      Midas

      4.5
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 5:00 PM
      Su Closed
      Automotive EMTs

      Automotive EMTs

      4.7
      Good Standing
      Mo-Fr 9:00 AM – 5:00 PM
      Sa-Su Closed
      AutoSport

      AutoSport

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Bowen Street Garage

      Bowen Street Garage

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Jeremy's Garage

      Jeremy's Garage

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      Stonum Automotive

      Stonum Automotive

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      All American Auto Repair

      All American Auto Repair

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 5:00 PM
      Sa-Su Closed
      TheBoostCreep Ltd.

      TheBoostCreep Ltd.

      4.7
      Good Standing
      Mo-Fr 9:00 AM – 5:00 PM
      Sa-Su Closed
      Hands-On Auto Tech

      Hands-On Auto Tech

      4.7
      Good Standing
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Brakes Plus

      Brakes Plus

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 5:00 PM
      Su Closed
      Big O Tires

      Big O Tires

      4.6
      Good Standing
      Mo-Fr 7:00 AM – 6:00 PM
      Sa 7:00 AM – 5:00 PM
      Su Closed
      Grease Monkey

      Grease Monkey

      4.6
      Good Standing
      Mo-Fr 8:00 AM – 7:00 PM
      Sa 8:00 AM – 6:00 PM
      Su 10:00 AM – 4:00 PM
      AAMCO Transmissions & Total Car Care

      AAMCO Transmissions & Total Car Care

      4.6
      Good Standing
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      Jiffy Lube Oil Change & Preventive Maintenance

      Jiffy Lube Oil Change & Preventive Maintenance

      4.5
      Good Standing
      Mo-Sa 8:00 AM – 7:00 PM
      Su 9:00 AM – 6:00 PM
      Carbon Valley Garage

      Carbon Valley Garage

      4.9
      Good Standing
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      B-Town Automotive

      B-Town Automotive

      4.9
      Good Standing
      Mo-Th 7:00 AM – 6:00 PM
      Fr 7:00 AM – 4:00 PM
      Sa-Su Closed
      Brakes Plus

      Brakes Plus

      4.8
      Good Standing
      Mo-Fr 8:00 AM – 6:00 PM
      Sa 8:00 AM – 5:00 PM
      Su Closed
      Christian Brothers Automotive Firestone Blvd

      Christian Brothers Automotive Firestone Blvd

      4.8
      Good Standing
      Mo-Fr 7:00 AM – 6:00 PM
      Sa-Su Closed
      Lyons Automotive

      Lyons Automotive

      4.8
      Good Standing
      Mo-Fr 7:30 AM – 5:00 PM
      Sa-Su Closed
      Joe-lopy's Mobile Automotive Repair

      Joe-lopy's Mobile Automotive Repair

      4.7
      Good Standing
      Mo-Su Open 24 hours
      J & S Automotive

      J & S Automotive

      4.6
      Good Standing
      Mo-Fr 7:30 AM – 5:00 PM
      Sa-Su Closed

      How weather affects Alternator Repair

      Do you plan to take your vehicle to a place like Flagstaff, AZ with prolonged heat/cold or humidity in the next 3 months? Please consider the following impact on your vehicle:

      Heat is generated very quickly due to the friction between the brake pads and the brake rotors, so the brake system will remain warm long after the vehicle has been parked in Flagstaff, AZ. Heavy braking can overheat the brakes, leading you to experience brake fade that reduces the efficiency of the brakes and lengthens the distance your vehicle comes to a complete halt. When engine oil is thinner due to heat, there is increased risk of leaks occurring. Additionally, higher temperatures as in{' '} Flagstaff, AZ can lead to insufficient lubrication, resulting in sludge formation. oil flow might be lowered and can impede your vehicle's overall performance.

      Related Fixes

      Any or all of the following fixes might be proposed by your shop in Flagstaff, AZ to restore your brake system to operate as designed and meet safety standards. THESE FIXES are offered by all shops IN the neighborhoods

      Related Fixes

      Select the state and town where this fix should be performed

      Alternator Repair by city

      Top neighborhoods in Longmont , CO

      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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      Your Issue?