Alternator & Starter Services in Longmont, CO

Trusted Alternator and Starter Repair for Longmont Drivers

Is your car slow to start, clicking when you turn the key, or just not starting at all? These are signs your starter or alternator may be failing—and that it’s time to visit Christian Brothers Automotive Longmont. Located just minutes from downtown Longmont and easily accessible, we’re your local experts in electrical diagnostics and repair.

Accurate Diagnostics & Honest Recommendations

The starter and alternator are essential parts of your vehicle’s electrical system. When either one fails, you’re likely stuck. At CBA Longmont, our ASE-Certified technicians use advanced diagnostic tools to pinpoint the issue quickly and accurately. Whether your battery light is on, your vehicle won't crank, or your lights dim at idle, we’ll uncover the true cause—and we’ll walk you through the repair options with full transparency.

What Longmont Drivers Can Expect:

  • Thorough electrical system inspection
  • Starter motor testing and replacement
  • Alternator performance testing and replacement
  • Battery, cable, and terminal checks
  • No surprises—just honest answers and dependable repairs

We know Colorado weather and altitude can put extra strain on your vehicle’s electrical system. Whether you're starting your engine on a frosty Longmont morning or powering up for a summer road trip to Rocky Mountain National Park, your car needs a strong, reliable start every time.

More Than Repairs—We’re Your Neighbors

As part of the Longmont community, we pride ourselves on providing neighborly service with integrity and care. Enjoy our complimentary shuttle service while we work on your vehicle or relax in our clean, comfortable waiting area with free Wi-Fi and refreshments.

All repairs are backed by our 3-Year / 36,000-Mile Nice Difference® Warranty, honored nationwide. Schedule Your Starter or Alternator Service in Longmont Today

We’re conveniently located near the intersection of Ken Pratt Blvd and Martin Street. Book your appointment online or give us a call—and see why so many Longmont families trust Christian Brothers Automotive for their electrical system needs.

How We Can Help

As your partners in automotive care, we service your vehicle as thoroughly as possible, conducting a full inspection before determining and fixing the problem.

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FAQs

  • Q. "Do you offer a warranty?"
    As part of our Nice difference.® commitment to providing our customers the best auto service experience possible, we also offer a 3-year/36,000-mile warranty on all the work that we do. We offer this warranty at every Christian Brothers Automotive nationwide, and it will be honored at any location, regardless of which branch did the initial work.
  • Q. "What is a Digital Vehicle Inspection?"
    With a complimentary Digital Vehicle Inspection (DVI) on every visit, you’ll see firsthand photos of your vehicle from under the hood. We’ll let you know if everything is functioning properly or if there are any areas of concern. You can even approve or deny our service recommendations, all straight from your smartphone, or you can, of course, give us a call and we’ll explain our findings in further detail.
  • Q. "Can you provide service under my extended warranty?"
    Yes. At Christian Brothers Automotive, we work with all major extended warranty providers to make needed repairs for our customers. If you have an extended warranty, you can discuss your carrier with our team when scheduling an appointment and confirm that the work will be covered. You can find a partial list of the extended warranty companies we work with here.
  • Q. "My car is make x and model x. Can you help me?"
    Yes! Christian Brothers Automotive has been providing reliable car maintenance and repair for over 40 years. Over that time, our professionals and ASE-certified technicians have handled a vast range of makes and models, and they continue to navigate the forefront of the auto industry’s technologies. If you own a vehicle from a major American or foreign car maker, we are ready to service it.
  • Q. "Do you offer loaner vehicles or a shuttle service?"
    We understand you have a full schedule. Whether you need to get to work, school, or need to attend to other responsibilities, we can take you where you need to go and even pick you up and bring you back.. Just select the shuttle service option when scheduling or let the service writer know when you call to make your appointment. For more information on our free shuttles, click here.
  • Q. "Can I bring my own parts?"
    Yes, although we will not be able to offer our 3-year/36,000-mile warranty on these parts. Please reference this in your appointment details in the scheduler or when calling to make your appointment to ensure the shop is aware of your plans.

Have more Questions?

Our friendly auto service experts have the answers.

Call your local Christian Brothers Automotive car shop today

Hear What Our Customers Had to Say About Us

  • "I liked the customer service and going above and beyond to make sure I was comfortable while waiting in the store for my vehicle work to be done, specifically being offered a nice hot coffee with creamer."

    - J.L.

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