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    Mechanic Shop Diaz

    5.0 (1 review)
    Closed 10:00 am - 7:00 pm

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    Services - Mechanic Shop Diaz

    Auto brake repair

    Auto engine repair

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    Convenience Tire & Auto - Voted Best Customer Satisfaction

    Convenience Tire & Auto

    (57 reviews)

    Finding a good auto shop can be frustrating, exasperating, and hands down difficult. I recently…read moremoved to the area and this place is nearby and had good reviews so I figured I would give them a shot. They have been wonderful!! First, I called and scheduled an oil change and emissions on one of our cars. It was scheduled for two days later. Dropped it off, waited about 30-40 min and then done! Best of all they did not try to make me do a bunch of unnecessary things. Paid and I was out. $99 for an all synthetic oil change was very reasonable. Second, I had two flat tires. I had my insurance roadside tow my car down the street here. They called to let me know one could just be repaired but the other one should be replaced. We replaced both tires and got an oil change. Everything was done by the next morning. Prices were reasonable and service impeccable. They picked me up to get the car. Timmy always provides above and beyond customer service and really makes you feel like a valued customer. I have been to so many auto shops in Loudoun County and none were as honest and convenient! I'm so glad we found a reliable place nearby with such excellent service!

    I've been here numerous times now, probably 3-5 times total. Including right this moment . Even…read morethough they're a few mins past closing time, they gladly took me . Most people have an attitude and are rude when you come in a business while closing . Not these guys. 11 out of 10 stars. Always find and fix the issue fast and with great care . Zero complaints . Friendly smiling staff as well! Definitely recommend .

    AAMCO Transmissions & Total Car Care

    AAMCO Transmissions & Total Car Care

    (28 reviews)

    I seriously don't know why the reviews here are so bad. Maybe cause the reviews are old and…read moreactually irrelevant. I came here twice already and I don't even live in manassas anymore but I still come out here to get my service done. Prices are great and Rob is seriously easy to work with. His guys are super nice and they work diligently. Expect to call for an appointment and expect to wait. You don't want your job to be rushed as well. Honestly, I recommend them 100% and people be frustrated with the hours is kind of absurd. If you don't want to work those hours why would you ask them to? They are straight forward and will look out for your pockets and car. Highly recommend!!

    I had a horrible experience at this shop. Took my car to them in December 2025. Didn't get it back…read moreuntil March 2026 with several issues in- between. Each time I picked-up my vehicle before March there was still something wrong with the transmission so I took it back. Finally, I told them that I must have my vehicle back the first week of March. When I picked my vehicle up it was obvious that there was an issue with the muffler. It was making a loud noise like there was a hole in it. Having wasted enough time with AAMCO, I took my vehicle to a different transmission shop (wish I had gone there from the beginning). They said the muffler was not connected to the manifold gasket properly. They also said that the axel was connected with a zip tie instead of a metal clamp. Took the bill from the other shop to the AAMCO owner and he said he would send me a check. I detected some sarcasm but wanted to see if he would follow through. Haven't received a check yet. One of those situations where I wish I had taken my vehicle anywhere else from the beginning. I will never take a vehicle there again and would encourage everyone that I know that has a transmission problem to stay away from that shop.

    R&j Auto Shop - Oil pump reseal and gaskets replacement with timing belt package and timing belt tensioner

    R&j Auto Shop

    (28 reviews)

    I could not be happier with R&j Auto Shop!…read more I have a 99 Chevy Silverado that has sat for years. I put a charger on it, which read 14.4 volts, but still it would not crank. I reached out to a number of shops, and R&j was the most responsive and reasonable. I am so glad I did. Jorge was very communicative, and texted me to let me know when he would be arriving. He brought all the tools needed to diagnose the problem. Since it was an easy diagnosis, Jorge did not charge a diagnostic fee, which was very reasonable. Jorge let me order the parts I needed, and even suggested I replace the serpentine belt at no additional cost. He replaced the alternator, battery and removed the aftermarket alarm that was draining the electrical system. He even diagnosed the brake issue that we found once the truck was running. R&j Auto Shop is my go to for quality, quick auto repairs. Jorge is a great guy and easy to work with. I highly recommend R&j Auto Repair!!

    I had reached out to Jorge when my car failed the Virginia safety inspection due to a faulty…read moreABS/VSA module. Most shops recommended replacing the module at a whopping $3,000. I decided to do the sane thing and look at repair options instead. I had found Circuit Board Medics in South Carolina (these guys are the real deal btw) who would go on to do my repair for a 10th of the replacement price, but almost all of the shops around me were unwilling to remove the module for me to ship it out and then reinstall it once it was shipped back to me. Except Jorge. He gave me a reasonable price and service dates which was a little too close to the reinspection deadline but I had hoped it would be done by then. The first appointment, Tuesday, August 11, went really smoothly, Jorge came to my location and took off the module for me to ship out to the module techs down in SC on express delivery. Unfortunately there was only one day between me shipping it out and Jorge's Thursday appointment to reinstall the part. The techs in SC had a same-day turnaround but they ended up shipping it back out to me on the day of the appointment for it to arrive on Friday. Things had been going superbly up to that point. Because Thursday was the last day of the 15-day grace period, I was anxious to get it done as soon as possible because the fact that the period ended created new complications. Unfortunately, Jorge informed me that he would not be available until the following Monday. I understood his booking situation so I let him know that I might look for someone else to complete the job sooner because of the deadline that passed. He then offered to try to come on Saturday to which I offered to pay extra for him to try to come out on Friday, to which he agreed. Friday comes and I had asked him to let me know if he's likely to come out that day. He tells me that he couldn't make it that day at 7:30PM which was odd but things happen so I hoped he'd be able to come out on Saturday. Saturday comes, he texts later in the afternoon that he's busy and would come on Monday at 12PM. I didn't want to try to get a Sunday appointment at that point so I let it be. Monday comes and he's not here. A little while later he lets me know he's on his way, arrives at 1:30PM, gets the job done, and then we parted ways. Obviously, this was not the kind of service I expected to receive. I felt mistreated because of the following reasons: 1. I could have had someone else come and finish the job by Friday or Saturday. I completely would have understood if Jorge was unable to come but he sold me false hope and I believed it because, 2. I didn't want to rent a vehicle until he could come out but I could have! I thought it would be unnecessary since he'd definitely come today, tomorrow, the next day, when Christ comes back, etc. 3. I have lost earnings for nothing when I could have rented a car out and recouped some of the expenses that I had incurred and will incur because, 4. The car still failed inspection for another reason I didn't think would fail it and had I been working this past weekend, I would have been in a better position to get that new issue fixed. 5. I can't legally drive on public roads because the grace period has passed. Though it was the module techs who delayed the module, I had asked Jorge if he would be able to take off the module one day earlier so we could avoid a situation like this. He said he would try but he never confirmed it. The first appointment took literally 20 minutes and I would have paid extra for him to come the day before at an off hour or something so the inspection window would have less risk of closing. Though fixing this ultimately didn't stop the car from failing inspection again, at least I would have had more time to prepare for the next repair BEFORE the window closes. 6. After all of this grief, he was still late by an hour and 30 minutes on Monday without a single word of acknowledgement of the fact! I am so angry and disappointed in the way this all turned out. What had started off as an exceptional service has ended up costing me what I never expected it to, simply because an edge case scenario could not be handled properly and professionally. I hope Jorge can clarify any wrongdoing on my side and maybe rectify his end. I still reluctantly encourage anyone to give him a chance based on the other reviews written about this business and the factoring of "things happen"-ing, but he has lost my confidence. This is technically a one-star review but I didn't want to be any more blunt.

    Mechanic Shop Diaz - autorepair - Updated September 2026

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