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    Prevention Auto Care

    4.9 (30 reviews)
    Open 8:00 am - 5:30 pm

    Services - Prevention Auto Care

    Oil changes

    Routine automotive maintenance

    Prevention Auto Care Photos

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    Bill was man that runs this shop Prevention Auto Care here at Walnut Ca. I've been here many times for small car works such as oil change etc. Last 2 yeats ago my other car was totally give up on me not working at all It was dead .car was still looking good outside and inside. I called Bill I told him about the car he asked me to bring it in and asked to leave the car at the shop and call him back in a month my car came back on the road again. I was really amazed for such a good man loyal and can be trust to do thing for me get my car driving again and the prized was great and can also negotiated with him personally , he was understanding. human being with a good heart to helo me to afford the cost of work . Today Im at his shop again due to a car problem over heating . were finding the fan hose and the water pump are the problems of the car that must replaced. Everything taking care of because I took my car to this place Walnut Ca. Prevention Auto Care. I personally recommend. to stop by see Mr.Bill Dong . Im really amazed I was in the shop watching him working on my car he work by step by step like he follow the manual car procedure to get work car done. Job well done ! Nice work ... thank you ! appreciated ! signed Ricardo G

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    7 months ago

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    2 years ago

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    3 years ago

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    1 year ago

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    4 years ago

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    3 years ago

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    7 years ago

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    6 years ago

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    5 years ago

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    4 years ago

    Bill is so friendly and a great mechanic! He has helped us out several times and always goes above and beyond.

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    4 years ago

    Great honest work....been bringing my vehicles and recommending this place for 15 years. Bill is very good and fair. Always busy...cal

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    10 years ago

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    6 years ago

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    12 years ago

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    7 years ago

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    11 years ago

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    10 years ago

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    9 years ago

    I done my suspension work and clutch & flywheel replacement at this place, really nice ppl to work with. Highly recommended.

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    14 years ago

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    9 years ago

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    9 years ago

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    12 years ago

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    11 years ago

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    12 years ago

    Been going to shop for the last 20 years for all my car maintenance and repairs. Bill the owner is great and fair.

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    9 years ago

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    13 years ago

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    10 years ago

    Excellent! Hesitant in taking my car anywhere but the dealer since i own an 09 Audi. Got my rotors and brakes done. Highly recommend

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    10 years ago

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    8 years ago

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    10 years ago

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    Ask the Community - Prevention Auto Care

    Review Highlights - Prevention Auto Care

    We visited Bill at Prevention Auto Care after our car wouldn't start and AAA said that the battery was ok.

    Mentioned in 18 reviews

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    Hye-Tech Auto Repair

    Hye-Tech Auto Repair

    (352 reviews)

    Our family's Ford Explorer required a water pump replacement…read more I visited several local auto shops to obtain quotes and was shocked, disappointed, and discouraged at the prices I was being quoted for the work my vehicle required ($5,000-$7,500) Shame on me for not reading Yelp reviews before wasting my time visiting other auto shops. I read the many positive reviews for Hye-Tech Auto Repair and decided to visit them. Upon entering, I was greeted by John (owner) with a friendly, "Welcome, how may I help you?" I explained that my Ford Explorer needed a new water pump and a few other items that other auto shops had advised me would require repair or replacement. While John looked up a few items on the computer to provide me with a quote, he introduced me to his son, Harry, who happened to be in the office. Thirty seconds later, John provided a quote that was $3,500-$4,000 less than the other shops. I could not believe it. John explained that he makes his living and succeeds in his business through repeat customers, and he does not believe in gouging customers for every last penny. He also shared that when he retires, his son Harry will take over the business, and he wants to leave Harry with a solid foundation of loyal repeat customers. It was then that I knew I could trust John and his son Harry. John went on to explain that replacing the water pump on a Ford Explorer was a 10-12 hour job, as it was an internal pump requiring numerous engine parts to be removed to reach it. This was the same thing all the other shops advised me. John suggested that I leave my vehicle, and he would perform a full inspection of the engine and contact me before doing anything to it. I agreed and left my vehicle. The following day, I was contacted by John, who advised me that the water pump did indeed need to be replaced, as it was the source of the constant leaks of the water coolant. I left my vehicle in John's shop for three days. During this time, John or his son, Harry, contacted me numerous times to keep me updated on the progress of my vehicle and also to point out that mechanics had discovered two or three very inexpensive items (under $50.00) which they recommended replacing, which I agreed to have done. All in all, I was and am extremely impressed and satisfied with everything about this shop. I spent much less money to have five different issues repaired on my vehicle at Hye-Tech than what I was quoted to replace my water pump alone by every single shop I visited prior to coming to Hye-Tech. John and Harry are very friendly, honest, and trustworthy. They are also very knowledgeable and experienced, and they offer GREAT customer service and communication. This is my new go-to shop for any issues involving our family vehicles. Thank you, Hye-Tech Auto Repair, for a very positive experience.

    I opened a Yelp project to try to get my transmission serviced. The dealership wanted to charge me…read more$1300 for this service. Yelp projects are one of the best things I've ever experienced. It's nice to see you can get quotes at the touch of a button on your phone. This morning, I had time off, so I headed in to get my service done. I did not have an appointment and that did not seem to matter. I arrived first thing in the morning at 8 AM and ask if the service could be done. Harry was an exceptional young man, he took me in with no problems, no questions. He said they could do it this morning. I told him I would have to wait. He had no problem with that either. Prior to bring in the car in this morning, as I said, I used a yelp project and had several people reach out and give me quotes. After looking at all the yelp reviews I decided to give this place a try. I am super happy that I did. This place is a hidden gem, excellence, service, quality, and value for what you receive. There are not very many shops where you could feel comfortable and put your trust in them. As I spent time in the lobby, I was able to see customer service on the phone and customer service entering the facility. Every customer that walked in, seem satisfied and was treated with dignity and respect. I highly recommend this place if you have any automotive questions whatsoever.

    TMC Auto Repair

    TMC Auto Repair

    (193 reviews)

    2018 WRX "UPDATE"... After the leaking issues on the motor rebuild…read more I brought the car back. Martin went above and beyond to fix multiple leaks that came about from the rebuild. I trusted Martin to fix everything and make things right. Martin will do whatever it takes to make this right and have a satisfied customer. I had to have patience and it paid off! The car feels and drives like how it used too! Martin's character to makes things right is why people should come to his shop. He will help out to the best of his abilities to make the customers satisfied. Thank you Martin!!

    5 Stars - TMC Auto Repair in Diamond Bar (aka the place that actually gives a damn)…read more Let me paint you a quick "before and after" picture so funny it hurts: Scene 1: Midas in Diamond Bar, 3:50 PM I roll up with a driver's window that's basically on permanent vacation (stuck halfway like it's trying to ghost me). The guy behind the counter doesn't even glance at the car. Doesn't ask a question. Just grunts, "Yeah, it's the motor." Me: "Cool, wanna pop the door panel and confirm? I'll pay for the diag, takes 10-15 minutes tops." Him: refuses to move, refuses to look, basically treats me like I'm trying to sell him oceanfront property in Arizona. I left wondering if "customer service" is now Latin for "get lost." Scene 2: TMC Auto Repair (literally two minutes away, same day) I used to go to this shop years ago when it had a different name. Now it's TMC and let me tell you -- it should be called TLC because that's exactly what they give you. Walked in frustrated and Martin greeted me like a human being who mattered. He listened to my Midas horror story, laughed with me (not at me), and said, "Let's actually look at it." One of his techs pulled the door panel in like 8 minutes and... drumroll... the motor was bad and there was a broken plastic piece in the regulator (exactly what I told Midas Guy, who apparently moonlights as a psychic but forgot to charge his crystal ball). They got the window temporarily working until the new part arrives, didn't overcharge me, and treated me like I've been their customer for a decade (because I basically have). Moral of the story: Midas Diamond Bar just lost a customer for life in under five minutes. TMC gained a customer for life in under five minutes. Martin and his crew are professional, honest, fast, and actually enjoy fixing cars instead of playing "guess the problem from the lobby." If you're anywhere near Diamond Bar/Walnut area and need work done by people who treat you like family (the good kind, not the dysfunctional Thanksgiving kind), go see these guys. 10/10, will be back the second that part shows up -- and for every oil change, brake job, and random rattle from now until my car retires. TMC, you have my undying loyalty... and my window now goes up AND down. Magic. Show less

    Fairway Auto Tech

    Fairway Auto Tech

    (60 reviews)

    My car needed spark plugs replaced so I sent out some quote requests on yelp. They got back to me…read morein couple hours and were one of the few shops that gave me a fair quote and could get me in same day. I was in and out in under an hour! Great service! Jose was very friendly!

    I just want to preface my comment by saying that I've been to so many different autoshops where…read morethey are nice and affordable in the beginning and then start price gouging and lying to you after a year or so, but NOT this place. I've been going here for a couple years now and I've got nothing but great things to say about Jose. I can't say enough good things about Fairway Auto Tech. Jose is one of those rare shop owners who's honest, knowledgeable, and genuinely looks out for his customers. I brought my car in for front brakes and an oil change, and the entire experience was smooth from start to finish. Jose clearly explained what my car needed (and what it didn't need), gave me a fair estimate upfront, and stuck to it -- no surprises, no pressure, no upselling. The pricing was very reasonable, especially compared to dealers and chain shops. The work was done professionally and efficiently, and my car drives perfectly. You can tell Jose takes pride in his work and runs his shop with integrity. It's refreshing to find an auto shop where you actually feel comfortable and trust the person working on your car. If you're looking for an honest mechanic who does quality work at fair prices, this is the place. I've been with Jose a couple years now to see if he would try to shady me later on, but still honest works hard is thoroughly explains everything. I'm very happy giving my business here and will continue to come here. PS - I bring both mine and my gf's car here and we both share the same great experience. HIGHLY RECOMMEND.

    Victor's Quality Motors - We have the knowledge, experience, and tools to work on every make and model - BMW, Subaru, Volkswagen, Kia, Volvo,  Toyota and more

    Victor's Quality Motors

    (579 reviews)

    I had a great experience with Victor's Quality Motors. The level of customer service,…read morecommunication, and professionalism was outstanding from start to finish. They kept me updated on the status of my vehicle and provided quality work at a very reasonable cost. They recently helped me replace the rear brake pads on my 2020 Chevrolet Silverado, and the price was significantly less than what the dealership quoted me. Most importantly, I finally feel like I found a mechanic I can trust. I'll definitely be bringing all of my vehicles here moving forward. Highly recommend!

    Victor's Quality Motors in Rowland Heights took care of my 2022 Genesis G70. Mike replied fast,…read moreread my quote request, and gave a clear out-the-door number vs others who didn't read my request at all. His team did same day work: rear differential fluid service, stainless steel braided brake lines installation, and a full brake fluid flush and bleed with DOT 4. They used the correct API GL-5 SAE 75W-85 gear oil for a limited-slip differential and torqued everything to spec. Results were obvious after starting my car. Firm pedal. Straight stops. Quiet rear end on LA freeways and in tight low-speed turns. Mike's communication stayed clear and kind. Price matched the estimate. No questions or upsell :) The waiting area has plenty of seats and a TV for those who can wait. The shop itself is very organized, clean, and tidy. About four or five lifts, busy but under control. If you need brake upgrades, a brake fluid flush, or differential service in Walnut or the San Gabriel Valley, this is the shop I recommend. Honest work, good communication, correct fluids, clean install, quick turnaround.

    Prevention Auto Care - autorepair - Updated May 2026

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