
Engine Diagnostics
Thorough check-engine-light and warning-code diagnostics that end the guesswork: a clear answer and a quote, often by lunchtime.
Modesto’s 4.9-star auto repair shop
Sam walks you through every diagnosis in plain language, with photos of the old parts to prove the work, which is why 408 Google reviewers rate this shop 4.9 stars.

Services

Thorough check-engine-light and warning-code diagnostics that end the guesswork: a clear answer and a quote, often by lunchtime.

Honest brake inspection and repair for every make, including EVs like Tesla, with the process explained upfront.

Fast, no-fuss oil changes — often in and out in under an hour.

Air conditioning inspection and repair that gets your cab colder than ever, with parts and labor detailed before work begins.

CV axle replacement and front-end noise diagnosis, done fairly and backed by a full inspection.

Transmission fluid exchange to keep your drivetrain shifting smoothly.
Photos






Rated 4.9 stars by 408 Modesto drivers
Our story
At Sam’s Auto Repair, the work starts before we ever open the hood: we listen. Drivers come to us after other shops handed them a list of maybes, and they leave with a clear answer: what’s wrong, what it costs, and what can wait. Every diagnosis is explained in plain language, and we document our work with photos of the old parts so you can see exactly what was done.
We’re a family shop on 9th Street in Modesto, and we treat your budget like our own. Full inspections come at no cost, and when a car needs more than one repair, we break the list down by importance and price so you can plan the work over a few visits instead of one painful bill.
From check-engine lights and front-end noise to Tesla brake concerns, we handle it with the same honesty and quick turnaround, six days a week, and we’ll squeeze you in when we can.
What customers say
“Sam listened to my issues and he spoke to me in a manner that made what he was saying easy for me to understand! By lunch time i had a quote and given every single thing he found wrong with my car after putting it on the lift. He is very through in his work with a rather quick turn around. He records and has pics with the old parts to show you which is wonderful. My car runs better now than it ever has. Go see Sam you won't regret it!”
“Amazing shop. They did a full inspection no cost and then broke down each issue based on importance and of course price to make an affordable plan over a few visits if needed. When I picked up my car, Sam went over everything they did with photos and went above and beyond by doing extra things without charge. This shop feels how it should be, an affordable, reputable family.”
“Sam’s Auto Repair is fair and efficient; two qualities that I appreciate when it comes to car service. They completed a diagnostics in a timely fashion. Most importantly, they were honest and upfront with me about the repair process.”
Serving Modesto, CA.
500 9th St N, Modesto, CA 95354, USA
500 9th St N, Modesto, CA 95354, USA
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