PROVIDING EXCELLENT TRANSMISSION SERVICE, DIAGNOSIS AND MAINTENANCE SINCE 1960.
WE ARE THE TRANSMISSION REPAIR LEADER

WARRANTIES

Our Extended Nationwide Warranty covers all repairs and upwards of 2 years or 24,000 miles.

FLEET SERVICES

We specialize in fleet transmission services for auto dealers, independent repair shops and service stations.

OUR LOCATIONS

With 8 locations throughout Southern California, we are ready to assist near wherever you are!

THE OLD RELIABLE!

WE OFFER QUALITY SERVICES

FREE Diagnostic and Inspection

Our ASE-certified Master Technicians are ready to perform a hands-on inspection of your transmission and vehicle to determine the problem you are experiencing.

Automatic Transmission Repair & Service

Whether you need a brand new transmission or opt to have your current one repaired, we’ve got you covered! Our service are fully equipped to rebuild your transmission in shop.

Tow Service

If your car goes through any transmission service or repair, your local tow is absolutely free! Standard tow service rates apply for vehicles that do not require transmission service or repair.

Transfer Case Repair & Service

Available for four-wheel drive and all-wheel drive vehicles.

Differential Repair & Service

Inspect U-Joints and Center Supports when applicable.

Driveline Repair & Service

Inspection includes checking for noises, vibrations and clucking

KICK START YOUR TRANSMISSION REPAIR

THANK YOU FOR TRUSTING US WITH YOUR VEHICLE’S CARE
As a family owned and operated business, we’ve provided excellent transmission repair and customer care for over 60 years. With 8 locations throughout Southern California, you’re sure to find a Leon’s Transmission near you!

Our Master Technicians offer the expertise and quality transmission service you need at the cost you want. Best of all, our work is backed by our Extended Nationwide Warranty.

WHY CHOOSE US

LEON’S EXPERT FLEET PROGRAM GETS YOUR FLEET BACK ON THE ROAD QUICKLY!

Comprehensive diagnosis and inspection

Your FREE Diagnostic and Inspection includes a thorough analysis, an accurate cost estimate consisting of auto-part costs and labor time, and a road test to ensure quality and safety.

Quick turnaround

Our Fleet Program is set up for auto dealers, independent auto repair shops and service stations. Each vehicle receives a comprehensive Diagnostic and Inspection to accurately pinpoint its needs.

Quality repairs and workmanship

Our technicians recognize the importance of your vehicle’s speedy recovery and work diligently to expedite the repair process in hopes of making your day less taxing.

Controlled costs and competitive pricing

Discover unbeatable value with our competitive pricing! We take pride in offering our customers the best deals on the market without compromising on quality or service.

Convenient billing services

Convenient billing services aim to simplify and expedite the billing cycle, reducing manual tasks and the risk of errors. Out billing services offer an efficient and user-friendly way for individuals and businesses to manage their financial transactions.

Dedicated customer service

Experience customer service like never before with our dedicated approach. We prioritize your satisfaction above all else. Our team of knowledgeable and friendly experts is available to address your questions, resolve issues, and provide excellent care for your vehicle.

ABOUT US

THE OLD RELIABLE
As a family owned and operated business, we’ve provided excellent transmission repair and customer care for over 60 years. With 8 locations throughout Southern California, you’re sure to find a Leon’s Transmission near you!

Our Master Technicians offer the expertise and quality transmission service you need at the cost you want. Best of all, our work is backed by our Extended Nationwide Warranty.

Happy Customers

Locations in SoCal

Master Technicians

Working hours

Website Contact Quote

4 + 12 =

At Leon’s Transmission, you can always expect:

REQUEST A FREE QUOTE
Along with our transmission service and repair, our technicians are equipped to advise you of upcoming manufacturer-recommended maintenance
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Quality workmanship and Nationwide Warranty
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A high regard for customer care
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Efficiency and quick turnaround
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Attention to detail and excellent customer service
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Master Technicians

Providing excellent transmission service, diagnosis and maintenance since 1960.

FREE DIAGNOSTIC AND INSPECTION TODAY!
INTRODUCING

Our Coupons

Save up to $100 on your next repair! Click the below button to download our latest coupons.

OUR TEAM

MEET OUR FRIENDLY SHOP MANAGERS!
Chris Kramer

Chris Kramer

Reseda

Sarah Anderson

Sarah Anderson

Garden Grove

Brent Sephel

Brent Sephel

Costa Mesa

Steve Cassel

Steve Cassel

Santa Clarita

Julio Flores

Julio Flores

Simi Valley

Chris Hughes

Chris Hughes

Glendale

Maybette Millan

Maybette Millan

Oxnard

Jim Armstrong

Jim Armstrong

La Mirada

WITH 8 LOCATIONS THROUGHOUT SOUTHERN CALIFORNIA, WE’RE NEAR WHEREVER YOU ARE!

OUR LOCATIONS

Reseda

7528 Reseda Blvd.
Reseda, CA 91335
Phone: (818) 345-8101
Mon – Fri: 8am – 5pm
Saturday: 8am – 12pm
Manager: Chris Kramer

Garden Grove

12612 Garden Grove Blvd.
Garden Grove, CA 92843
Phone: (714) 534-3300
Mon – Fri: 8am – 5pm
Saturday: 8am – 12pm
Manager: Rick Justus

Costa Mesa

1728 Placentia Ave.
Costa Mesa, CA 92627
Phone: (949) 631-1170

Mon – Fri: 8am – 5pm
Saturday: 8am – 12pm
Manager: Brent Sephel

Santa Clarita

23222 Sierra Highway
Santa Clarita, CA 91321
Phone: (661) 252-7200

Mon – Fri: 8am – 5pm
Manager: Steve Cassel

Simi Valley

1880 Sinaloa Rd.
Simi Valley, CA 93065
Phone: (805) 522-0230
Mon – Fri: 8am – 5pm
Saturday: 8am – 12pm*
(1st & 3rd Saturday Only)
Manager: Julio Flores

Glendale

6911 San Fernando Rd.
Glendale, CA 91202
Phone: (818) 844-2200
Mon – Fri: 8am – 5pm
Saturday: 8am – 12pm*
(2nd & 4th Saturday Only)
Manager: Ben Lopez

Oxnard

3280 Vineyard Ave.
Oxnard, CA 93036
Phone: (805) 485-9064
Mon – Fri: 8am – 5pm
Saturday: 8am – 12pm*
(1st & 3rd Saturday Only)
Manager: Maybette Millan

La Mirada

14253 Imperial Highway
La Mirada, CA 90638
Phone: (562) 944-0911
Mon – Fri: 8am – 5pm
Saturday: 8am – 12pm*
(2nd & 4th Saturday Only)
Manager: Jim Armstrong