Providing excellent transmission service, diagnosis, and maintenance since 1960.
Owner Dan LaFleur
Owner Dan LaFleur

Leon’s Transmission Service has been servicing vehicles for Simi Valley, Moorpark and many general repair shops. We have been serving our communities families and local business for 40 years at this same location.

Daniel Lafleur, owner/operator of Leon’s Transmission Service has been open for 4 decades, 40 years servicing Ventura County.

Over the years Leon’s Transmission Service has been the trusted choice of many fleet accounts we have serviced through the years and they are still relaying on us to maintain their vehicles, such as the City of Simi Valley, Ventura County Sheriff’s Department, Simi Valley School District, Cal-Trans Maintenance, Waste Management, along with many more private companies.

Dan started working in the transmission business at Leon’s Transmission Service in Reseda he started out doing the traditional entry level work, driving customers to & from the shop then washing parts. He worked his way up to shop manager when Leon’s opened it’s second shop right here in Simi Valley, to becoming the owner of this shop for 40 years. He has built his reputation here in Simi Valley as the “The Oldest and Best Transmission repair shop”. He has been a long standing member of the Chamber of Commerce, BBB, ASC, ATRA and has sponsored many youth programs and local organizations helping others.

Got transmission problems? Call the Doctor!

Dr. Dan The Tranny Man

Call 805.522.0230