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    Monzon Garage

    4.6 (62 reviews)
    Closed 8:00 am - 6:00 pm

    Services - Monzon Garage

    Auto diagnosis or inspection

    Auto maintenance

    Auto fluids and filters maintenance

    8 More Services

    Oil changes

    Auto repairs

    Auto HVAC repair

    Auto transmission repair

    Auto wheel and tire repair

    Routine automotive maintenance

    Smog check

    Transmission leak inspection

    Monzon Garage Photos

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    Recommended Reviews - Monzon Garage

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    Reviews With Photos

    My 65
    James M.

    It's hard to trust mechanics especially with my classic impala. But Jr. made me feel at ease with his customer service and experience. Just came in for an oil change and find out why my a arms were so damn squeaky....he fixed me up real quick and I was back on the road. Thanks Monzon's Garage!

    Tamara M.

    I just got off work and have needed an oil change! I came straight to Monzon ' garage. I could've stopped at alot of different places along the way but the mechanics at Monzon's garage are so awesome, honest and caring! It's family owned and they have been in business for over 40 years. The shop is located in downtown fullerton. There's plenty of places to eat, shop or maybe just take a stroll while waiting for your g-ride. I ended up getting my rotors turned, tires rotated and an oil change. I am so ready for the weekend. Thanks Joe! You truly are the best!

    Family owned from the ground up one of the best mechanic shops in town

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    28 days ago

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    4 months ago

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    10 months ago

    Jorge was great! The team replaced my coolant reservoir within an hour of me arriving and did it for a good price.

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    2 years ago

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    5 years ago

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    6 years ago

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    5 years ago

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    3 years ago

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    4 years ago

    Helped me in a pinch and didn't gouge me. Breaks and Rotar repair/ replacement. Great place and value. Thanks Team Monzon.

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    5 years ago

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    3 years ago

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    3 years ago

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    10 years ago

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    10 years ago

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    7 years ago

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    4 years ago

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    8 years ago

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    7 years ago

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    8 years ago

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    7 years ago

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    7 years ago

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    5 years ago

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    9 years ago

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    8 years ago

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    5 years ago

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    14 years ago

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    9 years ago

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    8 years ago

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    5 years ago

    I took my car here because it was recommended to me by a friend. They did a good job. I was happy with the results. Thank you.

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    5 years ago

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    5 years ago

    Great work and price. Pop and Son shop with top of the line service

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    5 years ago

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    6 years ago

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    10 years ago

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    8 years ago

    One of the best shops in the FULLERTON area. Family owned and operated since 1968. Father and Son owned shop.

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    7 years ago

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    15 years ago

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    15 years ago

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    9 years ago

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    Page 1 of 2

    Ask the Community - Monzon Garage

    Review Highlights - Monzon Garage

    Joe undercut the competition on a higher performance clutch system and did a great job, with same day service.

    Mentioned in 20 reviews

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    J's Mobile Mechanic

    J's Mobile Mechanic

    4.2
    (73 reviews)

    As you can see by the other reviews, Jesse the owner needs to improve his organization and…read morecommunication to run his business better. My experience was called to book on Monday morning, quoted the price based on easy to describe work and an appointment for Wednesday at 8AM. So I adjust my schedule and am ready. No show, no answer calls or texts until a call at 930 - where he apologizes for issues on Tuesday and will show up at 5PM. Fine. I'll adjust my evening plans too. An organized person would have adjusted plans and communicated Wednesday if they had issues/delays Tuesday. Then, at 2PM calls back and says looking more like 530PM. And then he says... oh? Did I give you a price already? Oh that's actually a lot of work and says it'll actually cost 60% more. That was enough to call it quits. While I can't speak to his mechanic abilities, he fell short on: 1) being able to accurately understand and estimate work before quoting, or worse, stick to his quote when he gets busy 2) ability to plan his schedule and communicate reasonably. I hope he learns from this and other experiences and reaches his potential through better consistency.

    Jesse is the reason my cat is alive…read more Last weekend, during the Garden Grove toxic chemical evacuation, my tuxedo cat decided that the undercarriage of my cousin's Tesla Model Y was a great hiding spot. It was not. He was wedged in there for 12 hours with no food, no water, and zero litter box access. He was absolutely losing it. I ran through every option. Fire department? Busy with the actual chemical explosion rattling all of OC, fair. Animal control? Ghosted me. My cousin, currently out of the country, tried Tesla Roadside Assistance through the app. Tesla's answer: their technicians are not trained to rescue animals. Noted, but deeply unhelpful in the moment. Two other mechanics passed too. Jesse was my third Yelp attempt and my last real option. He showed up within two hours, no fuss, and got straight to work. He tried everything - the frunk, underneath, removing the right wheel - methodically working different angles for an hour and a half because my cat had chosen the most inconvenient possible position to be chonky in. Jesse stayed patient the entire time and got him out safely. My cat is home. He is fine. He is completely unbothered, as cats are. Jesse showed up when nobody else could. That is not something I will forget. Oh, and his prices are insanely reasonable. If you need a mechanic who will actually show up and problem-solve, Jesse is your guy.

    Your Dream Garage

    Your Dream Garage

    4.9
    (167 reviews)

    The only way the job is gonna get done your way is if you do it yourself. No one else is going to…read moretake the extra time to clean the underside of your car and double check every nut and bolt is tight during a simple oil change. Being able to come here, put the car in the air on a lift and go over the whole underside of the car is an amazing experience. I come here for oil changes and to inspect my car before and after track days. I am so thankful for this type of lift rental service!

    I really like the idea of a place where I can work on my car out of the whether, with a lift and…read morehave all tool necessary. Unfortunately, it looks like I missed the hay day of this service. I attempted to book a spot online. When I never received a confirmation I called the shop on Tuesdaty. I was told they were short staffed, but the guy on the phone confirmed me for 10am on Sunday. I asked him to make sure there would be a lift available since I was coming a distance. He said there was plenty of room. Fast forward to Sunday. I show up at 10:00 and no one is there. The place looks like it went out of business by the looks of the grounds. Weeds growing out of the pavement, random trash and debris all over the place. However, I decided to give him a chance and wait to see if maybe he's a few minutes late. When he doesn't appear by 10:30 I call, no answer. I call again at 10:45, once again no answer. At 11:15 I give up and head home. At 12:15 he finally calls back because he just got to the garage and tells me I can come back. I let him know I'm already on my way home and to far to come back. This is a classic example of a great idea run by someone who is to lazy to actually run a business.

    Ronin Autowerks

    Ronin Autowerks

    4.7
    (185 reviews)

    After receiving an obscene list of "immediate" repairs from the dealer for my 2016 BMW car, i…read morereached out to Ronin for a second opinion. I chose them because they are well rated, specialize in BMW and are close by. I dropped off my car for an inspection and shared with Noel what occurred at the dealer. The inspection was performed in less than 2 hours and the list of recommendations was similar but came in at a fraction of the dealer "urgent" repair work. Discussed all with Noel and based on our situation (keep or sell?) he helped us make our choice. Appreciate their transparency and advice. They are professional and straight forward.

    I used to go to the dealership for 90% of my repairs, but I was tired of "simple" oil changes…read moreturning into thousands of dollars in "urgent" recommendations. Finding Ronin Autowerks was the exact opposite experience. Noel Carbajal has been my service advisor twice now, and his transparency is incredible. He takes the time to walk through every recommendation, clearly distinguishing between immediate repair versus those that are safe to hold off within a certain time frame. No pressure, no hidden agendas--just straightforward, professional advice! Just recently, I went to the dealership because I have the 3-year pre-paid plan. However, they refused to help with an "oil top-off" warning and tried to charge me a $319 diagnostic fee for a potential leak. I drove straight to Ronin Autowerks and even without an appointment, Noel took care of it immediately. Ronin Autowerks is a small shop. Don't expect a lounge with selection of free beverages and spread of snacks while you wait for your car, but here is the bottom line: I would rather have a straightforward, honest advisor like Noel who saves me hundreds of dollars over some fancy amenities. If you want a shop that prioritizes your car and your wallet - this is the place!

    Monzon Garage - autorepair - Updated July 2026

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