Call Now
Website
Call
Business Details
44 Years
experience
Your Trusted Partner for Auto Repair Solutions in Baraboo
Sullivans Two Unlimited has been the leading auto repair shop in Baraboo, WI since 1982. Founded by Jack "Sully" Sullivan, a former Holman-Moody crew chief with racing pedigree, our shop pioneered import vehicle repair in an era dominated by domestic brands. Our technicians bring over 100 years of combined experience, utilizing dealer-level diagnostic equipment to service all late-model vehicles from simple oil changes to complex timing chain replacements. We maintain expertise in foreign manufacturers unmatched locally while serving generations of families with honesty and technical excellence.

Our nationwide warranty protects customers across all services, from brake repair to climate system diagnostics. With ASE-certified professionals and a commitment to ongoing training, we ensure vehicle safety and longevity through personalized maintenance plans. As a community cornerstone, we've earned trust through three generations of customers who rely on our expertise for optimal road performance.
Services
Brake Repair Oil Changes Tire Alignments Diagnostic Services Climate System Maintenance Timing Belt Replacement Suspension Inspection Check Engine Light Diagnostics
Details
  • Year established: 1982
Highlights and features
  • Decades of racing-influenced automotive expertise since 1982
  • ASE-certified technicians with 100+ years combined experience
  • Nationwide warranty on all repair services
  • Specialists in import vehicle diagnostics and maintenance
  • Community-trusted service across three generations of customers
Associations and certifications
  • ASE (Automotive Service Excellence)
What people say
Expertise unmatched locally Honest service Nationwide warranty Generational trust ASE-certified technicians
Services
Tire Alignments
Our computerized alignment system ensures precise tire positioning for optimal vehicle handling. We perform complete steering and suspension inspections alongside tire rotations to prevent uneven wear. Complimentary lifetime tire rotations enhance safety and extend tire longevity while maintaining manufacturer specifications.
Oil Changes
Routine oil changes prevent engine wear using premium lubricants and filters. Our technicians inspect belts, fluids, and components during each service. We recommend conventional oil changes every 3,000-5,000 miles or synthetic oil changes every 5,000-7,500 miles to maintain peak engine performance.
Brake Services
We provide comprehensive brake system diagnostics and repairs including pad replacement, rotor resurfacing, and hydraulic component servicing. Annual inspections check master cylinders, calipers, and anti-lock systems to ensure stopping power reliability and road safety compliance.
Diagnostic Services
Advanced diagnostic equipment identifies check engine light causes and complex system malfunctions. Our technicians analyze powertrain, electrical, and emissions systems to resolve intermittent issues. Full system performance tests ensure accurate repair solutions for modern vehicle technology.
Climate Control
Our certified technicians repair automotive climate systems through visual inspections, performance testing, and leak detection. We service compressors, heaters, and ventilation systems to restore optimal temperature control. Dye detection identifies slow refrigerant leaks for complete system restoration.
People
Jack "Sully" Sullivan
Founder
Former Holman-Moody crew chief with racing pedigree, established Sullivans Two Unlimited in 1982. Pioneered import vehicle repair in Wisconsin with specialized racing-derived mechanical expertise.
Scott Sullivan
Co-Owner
Continued family legacy with decades of hands-on experience, expanding service capabilities while maintaining technical excellence in foreign and domestic vehicle repair since the company's founding.
Questions
What services does Sullivans Two Unlimited offer?
We provide complete automotive repair including brake systems, oil changes, tire alignments, climate control, diagnostics, and scheduled maintenance for foreign and domestic vehicles.
Do you service all vehicle types?
Yes, we repair nearly all late-model vehicles from domestic brands like Chevrolet and Ford to imports including BMW, Honda, Toyota, and Volkswagen models.
What warranty coverage do you provide?
All repairs include a nationwide warranty for customer protection, covering parts and labor regardless of vehicle make or repair complexity.
How experienced are your technicians?
Our team holds ASE certifications with over 100 combined years of experience, including specialized training in import vehicle diagnostics and modern automotive technology.
Can I schedule an appointment online?
Call 608-356-9282 to schedule service or use our contact form for appointment requests. We prioritize timely service for all maintenance and repair needs.
Do you offer tire sales and rotation services?
Yes, we sell premium name-brand tires with complimentary lifetime rotations every 6,000 miles, along with alignment and suspension system inspections.