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B & D Auto Repair
“9 star reviewed & respected place in Glendora which attempted to charge me $2,400 for timing belt repair on a 1997 Subaru Legacy Outback which in turn was not even the problem.”
Best Transmission Repair Shops in Glendora, CA
24 mechanics listed · 18 in Glendora · 15 open weekends · 20 rated 4.5+ · 2 show a license
Data verified October 16, 2026
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Certified Automotive Specialists
- Work
- Smog
- Coupon
“From the owner Gene Morrill who will bend over backwards to help you in any way he can, down to Jeff, Alan, and Cherry who make sure you are taken care of whenever you come in for an appointment, Certified Automotive Specialists is the only place I b...”
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Glendora Tire and Brake Auto Center
- DJ
- Vehicle
- Tires
“For the appointments we've come here, the team has been extremely helpful in taking care of my business vehicle and making sure that we can get back on the road timely.”
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Certified Auto Route 66
- Communication
- Honest
- Price
“These are true professionals they explained everything in detail made me feel confident about everything that was being done and kept me informed from day to day.”
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AM Auto Repair
- Work
- Oil
- Vehicle
“If there is important work that needs to be done on your vehicle, they will let you know how soon or how much time you have until you need to have it taken care of.”
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Metro Transmission
- Prices
“Jaime is very professional fast and reliable service 👌 …”
Listed for drivers in and around Glendora, CA, these 24 shops work on transmissions. What each one says about rebuilds, warranty terms and the brands it handles comes from its own website; ratings and quotes come from public reviews.
Area overview: Glendora, CA
Of the 24 mechanics we list here, 18 are in Glendora itself and 6 come from towns including West Covina (2, 7 mi), Rancho Cucamonga (2, 16 mi) and Covina (1, 4 mi). The mechanics on this page are rated from 4.1 to 5.0 across 1,364 reviews; 10 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these mechanics on specific qualities, they most often praise professionalism (92%), value (86%) and punctuality (81%). The topics that come up most in reviews of the mechanics on this page are "honest" and "diagnosis". 15 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are auto warranty service (2), bg lifetime protection plan (2), brake repair & service (2), cars we service (2) and catalytic converter (2). 2 show a license on their websites; 2 list staff certifications (ASE) and 7 have a BBB rating of A or A+. 20 have ten or more years of experience, the longest 75 years. 1 offers financing; 2 are family- or locally-owned and 4 list coupons or special offers. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Do years in business matter for transmission work?
Ten or more years in business is claimed by 20 of the 24 shops here. Rebuild quality is hands-on skill, and a shop that has been in one place a long time is easier to hold to a warranty. It is what their listings state, not a guarantee.
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Honda & Acura Service H&A.
- Inspection
- Technician
- Honda Accord
“I am looking forward to bringing my vehicle back to Honda & Acura Service for regular maintenance and any larger service needs that may arise in the future.”
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Bishara Auto Service
- Prices
- Owner
“My car broke and I called him near the end of his work hours, he had many cars for the day to service that would push him to have to stay beyond his closing hours.”
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Covina Auto Repair & Smog Services
- Prices
- Job
- Vehicle
“Good workers good business”
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Pete's Transmission
“Tbh i checked the reviews before even callimg the place but deng theyre super fair with pricing, they warranty the parts/work, and imho theyre pretty quick and up front with the potential work theyre gonna have to do.”
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George's Auto Repair
- Mechanic
“George is the best mechanic I've ever had.”
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Johnny's Auto Tech
- Prices
- Mechanic
“Excellent service”
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Jack Ashmore Auto Repair
- Mechanic
- Prices
- Honest
“I have been going there for almost 20 years for all my mechanic needs, Alfonso and Victor will treat you with respect and will not try to sell you a repair you don´t need, and will charge you a fair price.”
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H-Motive
- Mechanic
“Even though I moved 40 miles away, I still look for opportunities to make my way down to their shop because I won't be sold something I don't need and will be told what needs to be replaced when it actually needs to be replaced.”
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Precision Automotive
- Mechanic
“Experienced and professional mechanics”
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Flores Audi & VW Repair Inside Joe's Auto ASK FOR Manny
- Price
“Excellent service very trustworthy.”
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GBU Auto Repair ( Unit B)
- Prices
- Diagnosis
“After learning a good bit about cars, when I was forced to take my car in for a repair beyond my skill level, I noticed how often mechanics would spew utter nonsense to me about what was wrong with my car expecting that I wouldn't know what they were...”
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Fulton Automotive Repair
- Price
“Although the auto shop is a bit tricky to find, it's definitely worth the trip if you're looking for an honest auto mechanic who offers affordable pricing on repairs.”
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Auto Care
“Very knowledgeable and doesn't recommend unnecessary work.”
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Kenny's Transmission
“Great place to go excellent service great deals will definitely go again 👍 …”
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Ken's Imports
“My family takes there cars there as well.”
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Reliable Smog Saint Anthony Complete Auto Care
“Helpful and very friendly workers and from the name of the business it speaks clearly their the best The word trust keeping me stay with this shop and proud recommending to my friends and family.”
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Rancho Transmissions and Automotive
- Sunday
- Job
- Diagnosed
“Great transmission shop to work with my fleet van was having issue we took it to Sal he didn't lie to us and said it there was nothing wrong with the transmission that it must be something else checked it and we figured out the problem”
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Alonso's Auto Repair
“Navy helped me out and gave me a great price I'm so happy with the service I actually called pretty late in the day and they were still able to help me out so I appreciate that”
Transmission Repair Services in Glendora, CA Cost Estimates
Minimum cost
$826
Maximum cost
$3612
National Average
$1445
Avg Per Hour Rates
$133
$1135
$2889
Typical price range is based on 329 cost profiles
Why these companies made our list
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