01
Oil Changes & Maintenance
Routine oil changes and maintenance done right, with tips on how to extend your car's life.
Honest auto repair, straight talk, Pomona
The Mechanic Who Actually Explains What's Wrong
Guillermo and the team at G&C Brothers Auto fix it right, price it fairly, and walk you through every step.
5.0★
Google Rating
9
Google Reviews
Services
Everything we take on.
02
Engine Repair
Full engine repairs and rebuilds, including major jobs like a complete engine repair on a Ford E350 that returned it to 100%.
03
Collision & Body Repair
Accident repair for cars and trucks, with regular updates while parts are ordered and work is completed.
04
Diagnostics & Complex Repairs
Thorough diagnostic work for tricky issues other shops couldn't figure out, explained clearly before any work begins.
Photos
A look around.
Honest diagnosis, fair pricing, no surprises, ever
Our story
Real repairs, no runaround
G&C Brothers Auto is a Pomona shop built around one idea: you should understand what's happening with your car before you pay for it. Guillermo and his team walk customers through every issue in plain language, whether it's a routine oil change or a full engine rebuild.
We handle everything from daily maintenance to major mechanical and collision work, and we treat every vehicle that comes through the door with the same care. Customers have trusted us with everything from work trucks to a Porsche 911. No inflated estimates, no surprise charges, just honest work delivered on time.
Our customers keep coming back because we keep our word. When we say your car will be ready, it's ready, and we keep you updated the whole way through.
- Clear, honest explanations of every repair
- Handles major repairs: full engine rebuilds to collision work
- Comfortable, welcoming shop and waiting area
What customers say
“Absolutely great service! I went in for just an oil change, but I will be coming back for more maintenance. I don't know anything about cars and I normally feel grifted when going to mechanic shops. Here he explained everything very well and in a way I could understand, and even gave me tips on how to extend the life of my car.”
“Highly recommended! They did a full engine repair on my Ford E350 and the job was top-notch. Very professional, honest with their prices, and on time with the delivery. The truck is running at 100% now.”
“I had multiple issues with my car, and this mechanic took care of everything. He was honest, professional, and explained the repairs clearly. The pricing was fair, and there were no surprises.”
Get it booked.
(909) 446-9104
Get directions →255 N White Ave, Pomona, CA 91768, USA
Hours
Open now- Monday
- 8:00 AM – 5:00 PM
- Tuesday
- 8:00 AM – 5:00 PM
- Wednesday
- 8:00 AM – 5:00 PM
- Thursday
- 8:00 AM – 5:00 PM
- Friday
- 8:00 AM – 5:00 PM
- Saturday
- 8:00 AM – 1:00 PM
- Sunday
- Closed
255 N White Ave, Pomona, CA 91768, USA
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