ATRA Websites
Gardena Automatic Transmission Repair Shop

Transmission Service Specials

Shop Affiliations & Certification

1-800-CAR-HELP

1-800-CAR-HELP An automotive business becomes a provider of the 1-800-CAR-HELP network when it qualifies and contracts to have 1-800-CAR-HELP ringing into its business. Once signed up, a provider is the only business of its type in the market area it serves.
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Automatic Transmission Rebuilder Association

Automatic Transmission Rebuilder Association ATRA - the Automatic Transmission Rebuilders Association - is an international trade association for the professional automatic transmission repair industry.
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Bureau of Automotive Repair

Bureau of Automotive Repair The Bureau of Automotive Repair (BAR) is part of the California Department of Consumer Affairs. BAR has statutory oversight responsibilities for several statewide licensing programs, including the Smog Check and the Lamp and Brake Certification programs.
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California Automotive Service Council

California Automotive Service Council The California Automotive Service Councils is an organization that provides business resources for their members and advances the professionalism of the California automotive repair industry. Their goals are many and include the promotion of good will between motorist and the auto repair industry.
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Jasper Engines

Jasper Engines JASPER has been re-manufacturing quality products since 1942 and today, with over 20 acres under roof at six facilities, we are the nation's largest remanufacturer of gas and diesel engines, transmissions, differentials, rear axle assemblies, marine engines, stern drives, performance engines, and el
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National Federation of Independent Business

National Federation of Independent Business The National Federation of Independent Business is the largest advocacy organization representing small and independent businesses in Washington, D.C., and all 50 state capitals.
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Sonnax

Sonnax Founded in 1978, Sonnax has become a leading supplier to the automotive aftermarket. The company designs, manufactures and distributes replacement components for automatic transmissions, torque converters, drive shafts and related products worldwide.
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TransGo

TransGo TransGo has provided engineering solutions for the automatic transmission repair industry since 1959.
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Transmissions Rebuilders Network Worldwide

Transmissions Rebuilders Network Worldwide TRNW is a world-wide network of transmission technicians and trans-mission shop owners who discuss every aspect of running a transmission repair facility.
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TRANSTAR

TRANSTAR Transtar Industries, Inc., headquartered in Cleveland, Ohio, is the leading aftermarket transmission parts supplier to the automotive repair industry. Transtar has over 60 locations in the US, Puerto Rico, and Canada, and an international division that serves more than 70 countries around the globe.
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Automatic Transmission Repair GardenaCalifornia Hiro's Transmissions welcomes you to our Gardena automatic transmission repair shop website. Each transmission technician at our automatic transmission repair shop in Gardena is highly qualified and ready to deliver their expert automotive transmission repair technician knowledge & skills for your every automatic transmission repair need.

We have been in business since 1964 and have been at our present location since 1980. We take great pride in our work and give a 36 month or 36,000 mile warranty on most of our rebuilds. We also specialize in hi-performance cars, import tuners and diesel trucks. We are one of the few shops that can even fix your vintage auto. We are experts in repairing Powerglides, Hydramatics, Dynaflows, and Jetaways and also manual gearboxes. Give us a call for all your drivetrain needs. We're not the lowest priced shop in town, but we'll do it right and stand behind our work. Most of our rebuilds get the latest factory and aftermarket updates installed. We will build your transmission to last longer than the factory. We will also install a remanufactured transmission in your vehicle, if time is an issue.
We also do more than transmission repairs. We will fix your differential or transfercase. Bring your vehicle in for a free diagnostic road test. We are also dealers for many of your favorite aftermarket performance brands. Call us to see if we can get you that hard to find part.

Our automatic transmission shop is proud to be affiliated with the non-profit organization known as the Automatic Transmission Rebuilder Association (ATRA). As an ATRA member our automatic transmission repair shop adheres to the service and repair definitions which are a part of the ATRA bylaws and code of ethics.

Hiro's Transmissions pledges to all of our customers that we will not remove a transmission from a vehicle in order to complete a repair unless absolutely necessary. Additionally our shop promises to diagnose transmission problems for all of our local and surrounding area customers in an honest and expert manner. Our shop strives to provide prompt and courteous service to all who visit our automotive transmission repair facility in the hope that you will come back to us for all of your automotive automatic transmission repair needs.