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    Diesel Ground Systems

    3.6 (14 reviews)
    Closed • 8:00 am - 6:00 pm

    Services - Diesel Ground Systems

    Commercial truck repair

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    Fender liner shoved back in. Liner is bulging due to not being set in place correctly. Screw and fasteners all missing.

    I towed my F350 in for a diagnostic. After a couple of days the diagnostic was completed and I scheduled for a tow to pick to up my truck the next day. Upon arrival the next day I was informed that my batteries were dead. If I would not have shown up to make sure that my truck was in operable condition the shop would have sent it on the tow truck with dead batteries and the truck not starting for the very least. During the diagnostic the driver side inner fender liner was removed and when I received the truck back the fender liner was not screwed back into place. The shop just shoved it back in with no screws or fasteners.

    Garo M.

    I bought my first Ford F-350 & needed overall service. Clearly, DGS has very competent Ford technicians that have the Certifications to deliver excellent service. I highly recommend DGS because guys like Gus & Nacho (I think it's his name) are skilled & professional. Keep up the good work guys!

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    4 years ago

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    5 months ago

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    11 months ago

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    5 years ago

    Business owner information

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    Michael S.

    Thank you for your business, we appreciate your feedback.

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    4 years ago

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    Ask the Community - Diesel Ground Systems

    Eco diesel oil change?

    Yes, we work on dodge Rams.

    Do you have a number I can contact you?

    626.699.2176

    Do you guys have a mechanic I can pay to check out a semi I'm purchasing?

    Good morning, yes we do provide pre-purchase inspections. What type of truck are you looking to purchase ? Do you know what engine it has ?… 

    View All 4 Questions

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    After spending many frustrating hours in my garage trying to install trailer brakes myself, I…read morefinally decided to call a professional. It was the best decision I could have made. I needed free-backing drum brakes installed on my boat trailer, along with all the wiring. My trailer originally didn't have brakes, and I thought it would be a simple project--but I was completely wrong. I found this company on Google, gave them a call, and just three days later they came out to do the installation. My first impression was excellent. They were friendly, professional, and even cracked a few jokes while explaining exactly what they were going to do and how long the job would take. Their work truck was clean, they were well-organized, and all three technicians were professional and respectful. I left them working in my garage while I went to work, and when I came home a few hours later, everything was finished. The installation was outstanding. My garage was spotless, the brake system looked professionally installed, and all the wiring was neatly hidden inside the trailer frame instead of hanging underneath. The attention to detail really stood out. I've already put a few hundred miles on the trailer and launched my boat several times, and everything has worked flawlessly. I highly recommend them for any trailer brake installation or trailer repair. I'm extremely happy with the quality of their work. Thank you!

    Tony and Diego came out to service my wheels - brakes and bearings specifically - on my 2023…read moretrailer/RV. I hadn't done it before, so I asked if I could hang out, watch and learn so I at least know what's going on inside there. Well my wheels didn't have nearly enough grease from the factory so it's good I had them come by, they replaced bearings and adjusted brakes, I'm confident in their work and know I'm safe on the road. Legit the kindest people you could ask for, thorough and know their stuff. I ask questions, they can answer them and explain what they're looking at and looking for. There's a reason their reviews are great, this is who you want to take care of your vehicles.

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    I had such a great experience here! The staff was friendly, professional, and made the whole oil…read morechange process quick and easy. I really appreciate the great service and will definitely be coming back!

    DO NOT GET YOUR OIL CHANGE DONE HERE. I would get my oil change done here because it was more…read moreaffordable but it turned out to cost me way more. Julio (the owner) did my oil change one day and he left the cap that needs to be SECURELY CLOSED AND TIGHTENED open. When I moved my car from my parking spot the next day I noticed a large oil spill. I quickly took it back and he noticed what he had done and admitted to what he did. He said that Volkswagens need to be "tightened more than other cars". I asked him if he was going to add more oil and he said no because he had "added a little extra" so it didn't need it. A few weeks later my car started shaking when I would be at a complete stop so I took it to a mechanic. They said the oil level was low and that there was damage due to driving it with low oil. I HAD TO PAY $1,170 at the Volkswagen dealer because a regular mechanic told me to take it there because he could he could not perform this extensive repair. Even though they fixed this issue they said there is possible engine damage due to driving it with low oil. I spoke with Julio (THE OWNER of JC TIRES AND OIL CENTER) and asked if he was going to take accountability for HIS MISTAKE. He said that it was MY RESPONSIBILITY to be checking the oil and that my car probably burnt the oil. The mechanics that checked my car said that Volkswagens do not burn oil and besides that it is just a 2014 it is not that old to be burning oil.

    Nick's Mobile - Installed a 3000 watt inverter in my 2025 Grand Design

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    Nick's Mobile came through when I needed it most…read more I was at Bonelli Bluffs the weekend before Halloween and my new trailer suddenly lost shore power. Not the kind of problem you want to deal with on a trip. I called Nick and he responded right away. He made time to come out the same day. He diagnosed the issue quickly and knew exactly what was wrong. The automatic transfer switch had failed. Instead of delaying the repair, he tracked down the part himself, picked it up, and came back to install it. That level of effort matters when you are on a tight timeline. The repair was clean and professional. Power was restored and my entire weekend was back on track. What could have been a ruined trip turned into a great one. He did not stop there. He worked through the warranty process and made sure the repair was covered. I ended up fully reimbursed by the manufacturer. That saved me money and a lot of hassle. Nick goes above and beyond. He is responsive, knowledgeable, and committed to taking care of his customers. If you need mobile RV service, this is the guy to call. Nick if you see this, I truly apologize for such a late review. My mother in law stills talks about how nice you were and was happy that you stayed for a meal with us!

    Amazing service. Explained all the issues where I could understand. Was honest about time frame and…read moreeven went above and beyond to fix old boat trailer that needed an axle and brakes and the parts are non existent. He figured a way to fix it so we could use it. Fast working but confident and safe.

    Diesel Ground Systems - truckrepair - Updated September 2026

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