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"We are not the Best, Because we are the Oldest.
          We are the Oldest, Because we are the Best!
                                                                   Since 1960.
    Call Us Today!
Diagnostic & Inspection


Leon's Transmission Service
 Wants to be your transmission repairshop of choice.

Our technicians are all certified and we possess years of experience and paramount expertise. We’re confident that once you’ve entrusted your transmission to our capable care, you won’t want to go elsewhere ever again.

We’re so confident, in fact, that we offer a "FREE" road test and checkup, as well as FREE estimates and consultations! After all, we have had over 40 years to establish ourselves as Simi Valley’s “oldest and best transmission repair shop.” Give us a call today for your free estimate and consultation. 

Se habla Español.



Keep your vehicle running with our auto transmission team. From clutch replacement to transmission overhauls, our crew will make sure your shifting is always smooth.


Contact Us

Come down to our shop today or call and schedule a service time that’s convenient for you. We’re always ready to get you back out on the road.

Call Us Today At ♦ (805) 522-0230

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Leon's Transmission Service

Daniel La Fleur, Owner/Operator
1880 Sinaloa Road
Simi Valley, CA 93065

Phone: (805) 522-0230
Fax: (805) 522-0232
Business Hours
Mon - Fri:  8 a.m. - 5 p.m.
Sat:   Closed
Sun:  Closed