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AC Transmission

"Since 1976 We Have Provided The Best Quality Transmission Repairs"

About Us

Serving DuPage and Cook Counties, AC Transmission in Addison, IL, stands as the area's premier transmission shop. Our expertise encompasses precise transmission repair, seamless replacements, and meticulous rebuild services. For unparalleled service and expert solutions, reach out to AC Transmission today!

Areas Served

Languages Spoken

Spanish

What We Offer

Our Specialties include:

Saturday Hours Available by Appointment
Transmission Repair
Transmission Replacement and Service
Transmission Rebuilds
Auto Tech Service

Our Services include:

Clutch Repair
Manual Transmissions
Four Wheel Drive Transmissions
Auto Repair Services
Transfer Cases
Transmission Fluid Changes
Mechanic On-site
CVT Transmissions
Transmission Replacement

Testimonials

On 3/18/2026 Umar Choudhry had this to say:
Very knowledgeable and honest people. Highly recommended

On 3/17/2026 Karebear had this to say:
Best transmission shop around

On 12/31/2025 Nick Avolio had this to say:
My wife and I had just moved to this area a few months back and had transmission trouble on Christmas Eve. We were worried whether we would find a trustworthy mechanic out here or not. We decided to try AC Transmission and Santo was absolutely incredible! He actually made me feel like he cared about finding and solving the problem and not just selling a replacement. I appreciated it immensely and found him extremely professional. I believe we have found our trustworthy mechanic. Heavily recommend! 👍

On 10/13/2025 Joseph Hlavacek had this to say:
Total transmission rebuild for my 2021 Ford Ranger at 121K miles. Over a 1000 miles later, running like new. Price was near Estimate and truck was completed when expected.

On 4/17/2025 Al Allen had this to say:
Took my car, completely happy with the whole thing! Did have an issue some time later. Not a big deal. I took it back, and they corrected the problem! No hassle!!

Contact Us

AC Transmission
1215 W Fullerton Ave Addison, IL 60101
Phone: (630) 620-5580
Fax: (630) 620-5658

Located on the corner of Intersection Fullerton and Fairbank

Where To Find Us

Payment Types Accepted

American Express, Discover, MasterCard, Visa

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM

News

Keep Your Transmission Running Strong
When your vehicle’s transmission needs attention, trust the experts at AC Transmission. We specialize in diagnosing, repairing, and maintaining transmissions to keep your car shifting smoothly and driving safely.
From routine transmission service to complex repairs, our experienced team is committed to honest recommendations, quality workmanship, and dependable results. We take pride in getting the job done right the first time.
✅ Transmission repair & rebuilds
✅ Accurate diagnostics
✅ Experienced technicians
✅ Customer-focused service
Don’t ignore warning signs—early service can save you time and money.
📍 AC Transmission
🌐 Learn more: https://www.actransmission.net/
📞 Call today to schedule an appointment!