Best Transmission Fluid Change & Flush Services in Diamond Bar, CA

“I had a AC leak on my Silverado, contacted a few places and then found this place and contacted them, they were able to get me next business day in the morning and quick to find the leak, they ordered the parts needed and I picked up my truck next mo...”

“I was bringing it in thinking I needed a whole rebuilt transmission Andre and Bob , were great and Honest car just needed service and they walked me through all the error codes I was getting and how to go by fixing it with Bob's great car Knowledge...”

“On our trip from Indiana to California once we arrived our transmission blew, the guys here we're awesome enough to help us out as quickly as possible before we had to head back, our transmission is better than new !”

“Informative and great prices”

“Good people great service”

“The Best service and most honest person Art is a professional at what he does I have done business with Art for a long time, and would recommend to anyone don't waste your time anywhere else.”

“Most Professional transmission shop Thomas is very knowledgeable in his profession actually took his time to explain what he did to me car very honest!”

“My Brother owns “DURANS QUALITY PAINTING” in Baldwin Park and has been using A Transmission for all his mechanical needs and he recommends A Transmission to all his customers.”

“Jim the owner is one of the most knowledgeable persons I've meant about Volkswagen Transmissions.”

“Very dependable and helped me understand what was going on with my car because I dont know nothing about cars.”

“G4 collision did a awesome job of making my car look new again, BETTER THEN NEW!!!!”

“He is priced fairly, knowledgable, friendly and honest.”

“At Orange County Transmission & Differential, we pride ourselves on customer service and quality work and specialize in new and rebuilt transmissions, differentials, clutch services. And we offer premium products from some leading manufacturers, incl...”

“Super fast and good service 👌”