Business Details
50+ Years
experience
Your Trusted Auto Repair Shop in Littleton, CO
At Keller Bros, we have dedicated ourselves to automotive excellence since 1974. Our ASE-certified technicians combine decades of experience with cutting-edge diagnostic tools to deliver precise repairs and exceptional customer service. As a family-owned business rooted in ethical practices, we prioritize education over sales, ensuring every client understands their vehicle's needs before authorizing work.With a 3-year/36,000-mile warranty on most services and a commitment to hiring only the most qualified professionals, we've earned recognition as Colorado's top auto repair shop for six consecutive years. Our facility handles everything from routine maintenance to complex diagnostics for domestic, import, and fleet vehicles.
Services
Vehicle A/C Repair
Brake Repair
Fleet Services
Oil Changes
Transmission Repair
Suspension Work
Computer Diagnostics
Tire Services
Engine Repair
Preventative Maintenance
Details
- Year established: 1974
Highlights and features
- We have 50 years of combined experience in automotive repair
- Our team includes ASE Master Certified technicians
- We guarantee all work with a 3-year/36,000-mile warranty
- We provide transparent diagnostics with visual explanations
- We maintain a perfect complaint-free record with BBB
Associations and certifications
- ASE Certified
- Better Business Bureau Gold Star Certificate
What people say
Amazing work
Educated about repairs
Kept promises
Professional staff
Timely service
Services
Vehicle A/C Repair
Our ASE-certified technicians diagnose and repair automotive air conditioning systems using specialized equipment. We perform refrigerant flushes, leak repairs, and component replacements to restore cooling efficiency. Every repair includes a comprehensive system check to ensure optimal performance during Colorado's hot summers.
Brake Repair
We offer complete brake system diagnostics and repairs including pads, rotors, calipers, and ABS components. Our technicians perform thorough inspections to identify wear patterns and safety concerns. All brake repairs follow manufacturer specifications to maintain vehicle safety and performance standards.
Fleet Services
Our dedicated fleet division services light and medium-duty commercial vehicles with scheduled maintenance and emergency repairs. We provide DOT inspections, vehicle tracking software, and customized service programs. Our team handles pickup/delivery and after-hours service for business clients.
Computer Diagnostics
We use advanced diagnostic tools to identify electronic system malfunctions in modern vehicles. Our technicians interpret error codes, test sensors, and perform system calibrations. This service helps prevent costly breakdowns through early detection of potential issues.
Preventative Maintenance
Our maintenance packages follow manufacturer-recommended service intervals for oil changes, filter replacements, and system inspections. We track vehicle history to ensure timely maintenance, helping extend vehicle lifespan and maintain warranty compliance.
People
Terry Keller
Owner/Operator
Terry Keller founded Keller Bros in 1974 after graduating from Denver Automotive College. He holds ASE Master Technician and Automotive Manager certifications. With over 50 years in the industry, he focuses on ethical business practices and technical excellence.
Margret Keller
Co-Owner
Margret Keller co-founded the business with Terry in 1974. She manages administrative operations and customer relations. Her commitment to transparency and customer education remains central to the company's philosophy.
Questions
What makes Keller Bros different from other auto shops?
We focus on education over sales, with ASE-certified technicians providing transparent diagnostics and visual explanations of all repairs needed.
Do you service both personal and commercial vehicles?
Yes, we handle everything from individual cars to fleet maintenance for businesses, including specialized commercial vehicle inspections.
What warranty do you offer on repairs?
We provide a minimum 3-year/36,000-mile warranty on most parts and labor, one of the longest in the industry.
Can I schedule appointments online?
Yes, our website offers 24/7 online scheduling for all services, with walk-ins also welcome during business hours.
Are your technicians certified?
All our mechanics hold ASE certifications, with several achieving Master Technician status through rigorous testing.
Do you offer pickup/drop-off services?
We provide free shuttle service and can arrange vehicle pickup/delivery for fleet customers and those needing special assistance.
