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    Diablo Mobile Mechanic

    5.0 (5 reviews)
    Closed 8:00 am - 5:00 pm

    Services - Diablo Mobile Mechanic

    Check engine light

    Engine oil light diagnosis

    Auto general diagnosis

    17 More Services

    Auto noise diagnosis

    Tire Pressure Monitoring System diagnosis

    Auto no-start diagnosis

    Auto vibration diagnosis

    Auto diagnosis or inspection

    Auto pre-purchase inspection

    Auto maintenance

    Auto repairs

    Auto battery or electrical system repair

    Auto brake repair

    Auto engine repair

    Auto HVAC repair

    Auto light repair

    Auto steering and suspension repair

    Routine automotive maintenance

    Transmission leak inspection

    Car buyers

    Diablo Mobile Mechanic Photos

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    Recommended Reviews - Diablo Mobile Mechanic

    Your trust is our priority, so businesses can't pay to alter or remove their reviews. Learn more about reviews.
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    3 months ago

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    3 days ago

    Excellent work and very thorough. I will be using them again on my motorhome very soon.

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    2 days ago

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    2 days ago

    Paul is honest, straightforward, and takes his time. I like that he is very receptive and responsive.

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    2 months ago

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    Ask the Community - Diablo Mobile Mechanic

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    My dealership told me my rear brakes needed to be replaced, but after receiving their estimate, I…read moredecided it would be wise to look for a better alternative. Yelp reviewers didn't disappoint. I called Rich to get an estimate, and his knowledge, professionalism, and fair pricing were enough to convince me to make the drive. Once I met Rich, he inspected both the front and rear brakes and explained that the front brakes were actually more worn than the rear--and that both truly needed replacement. Rich was very accommodating and respectful of my schedule, completing the work while I waited. He also took the time to show me the condition of the old brakes, rotors, and sensors and walked me through everything he found. His assessment was spot on. After finishing the job, he even showed me the new rotors and gave me recommendations on how to properly break in the new brakes. Rich provides the kind of excellent, personable customer service that is rare in many businesses today. In fact, this level of thorough, hands-on service is something I've never experienced at any dealership. I can highly recommend Performance Autowerk!

    Rich is a class act! Super honest, fair, and considerate…read more I have a BWM that's out of warranty and received an estimate for service from a local BMW dealer. The price was hefty and I decided to get estimates from BMW service specialists. Based on the super high ratings for Performance Autowerk, they were high on my list. When I reviewed the work that needed to be done, Rich suggested that I bring in my car so he could check it free of charge to make sure the work was needed and not being upsold. He provided a quick and very reasonable estimate. In the end, I decided to use another place because his shop is a long drive for me. But I would recommend him to anyone in the Dublin area.

    AutoTECH San Ramon

    AutoTECH San Ramon

    (343 reviews)

    Incredibly responsive, honest, transparent, and trustworthy people and service!…read more Whether it's for an oil change or a major service, the team here gets the job done with speed, efficiency, and high quality. They also call promptly to provide updates and are up front about their recommendations. I just had my 90k service completed and they provided a clear breakdown of what's highly recommended to fix and why vs. others that need monitoring. Love that they sent the report via text so I could take some time to review and discuss with my husband. I also think the price is fair (checked with AI and it always fits the range for the service). Special thanks to Scott for staying late so I could pick my car up before the weekend! Appreciate you!! Highly recommend. P.S. location is so convenient, too. Got a car wash right next door (excellent btw), a tire shop on the other side (for those darn nails), and Costco gas down the street!

    I highly recommend AutoTech in San Ramon for anyone looking for car repair. Lauren answered my call…read morewhen I reached out and kindly offered to take a look at my car first to estimate the diagnostic cost. They scanned my 2010 Prius car at no charge and identified the issues. There would only be a fee if further diagnosis or repairs were needed. The initial scan was very helpful and allowed me to contact the battery company for my Prius battery pack, which is still under warranty. AutoTech is a great place to get an estimate, and Lauren is very responsive. I had a very positive experience and would definitely recommend this shop as an alternative to dealership service.

    Ace Auto Repair & Tire

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    Honest, hardworking and efficient service, had a tire puncture patched, can't recommend them…read moreenough! On the night before a road trip, I discovered a tire in my car losing air, the culprit being a nail lodged in. Ace auto repair and tire was the only shop open at 7 in the morning, I walked in without an appointment at 7:30. They removed the nail, patched up the tire and completed the work in an hours time! When I asked them about payment for the service, they refused to charge me for the repair. While waiting in the shop for the repair, I witnessed a bunch of regulars bringing in their vehicles for different kinds of issues. The trust and comfort they had with this shop was something that has been built on with years of excellent service. I've been to other tire shops where I've been overcharged for similar situations because I needed help quickly. Ace auto repair and tire is a refreshing change from those experiences and definitely have me as a long term customer for the future!

    I, unfortunately, got a punctured tire from a nail driving through traffic in the bay area. My…read moremechanic put a temporary fix & advised me to seek a tire repair shop for a formal repair. I checked another business nearby who declined to assist due to the temporary patch. I called Ace Auto Repair & Tire and spoke to Danny who advised to visit right when the business opened as they do get busy. I also asked if there was a charge for a flat tire repair & he said no charge if it was fixable. I have a Subaru WRX with an AWD system which can get complicated if one tire is compromised. I visited on a Saturday morning & advised the front staff of my dilemma. I was so anxious thinking that I'd be potentially turned away, but they were courteous to take a look at the patch & I'm forever grateful to Armando for making the determination that my tire was still repairable, then completing the job in less than an hour! And true to word, I wasn't charged for the tire repair. My greatest appreciation to the staff at Ace! I was chilling on the couches nearby the front door - it's bright, spacious & clean inside. Two other customers followed after me - also overhearing their issues & constraints - I could tell from those interactions with the front staff & the communication with the technicians in the back that this repair business works hard to help & take care of their customers. Thank you, Ace Auto Repair & Tire!

    Danville Auto Center

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    I had an outstanding service and experience at Danville Auto Center. Oscar is the reason I came…read morehere, I actually followed him from another location because I trust his work and his integrity. They diagnosed my 21 year old Toyota Camry with over 300,000 miles and provided a complete, detailed list of everything that needed attention. What I appreciated most was that Oscar took the time to narrow it down to what was truly necessary to make the car safe, as if it were his own vehicle. No pressure, no upselling, just honest guidance. The estimate was clear and detailed, and the pricing was very competitive. The customer service was exceptional from start to finish. More than anything, DAC earned my trust, which is rare in this industry.... Why I follow Oscar!!! If you're looking for transparency, fair pricing, and people who genuinely care, this is the place to go. THANK YOU Oscar and team!!!

    AVOID DANVILLE AUTO CENTER AT ALL COSTS…read more I don't usually leave reviews, but what happened here was so outrageous that people deserve to know. My girlfriend brought her car here after it died while parking. She told them up front it was likely the battery (which they had just replaced), the alternator, or a loose wire. Pretty straightforward, right? Wrong. From there, it was a nightmare: * They refused to return her calls. She was the actual owner of the car, yet they completely ignored her and would only speak to me. * They dragged the repair out over three full days while dodging updates. * When they finally claimed it was just a loose wire, they quoted us over $500, apparently because they charge $250/hr just to "diagnose." * When we picked the car up, the passenger side window no longer worked, even though it was fine before. And the worst part? When we confronted Shawn (the owner) about all of this, he laughed in our faces, interrupted us, and treated us like we were the problem. When my girlfriend left, they actually called her a "f**ing b****." I confronted Shawn, and he admitted it--but said he was talking about her and not me. As if that somehow makes it okay. This wasn't just bad service. This was open disrespect. The way they dismissed and insulted my girlfriend made it clear they were trying to take advantage of her because she's a woman. If you value your money, your car, or even just basic human decency, stay far, far away from Danville Auto Center.

    Diablo Mobile Mechanic - autorepair - Updated June 2026

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