Our fleet relies on staying on schedule, and when one of our trucks broke down in the middle of the…read morenight, we called Alberto's Truck Repair. They truly live up to their 24/7 service promise. Their team showed up quickly, diagnosed the diesel engine issue on the spot, and had the truck running again by morning. Their equipment is top quality, and it's clear they take pride in their work. We'll be using them for all our future semi-truck maintenance.

One of the mechanics Moises Solano stole my Mercedes Cargo Van and money sent for differential part…read moreand repair. Your business phone number was going to vm for weeks vm full sent emails to your business email address that says no longer in service then email went through weeks later no call backs no return calls have text messages outgoing and incoming including pictures from mechanic your work phone and another phone number he was communicating from. I am very disappointed because when Alberto and I spoke earlier in the year I advised him of the purchase I would be making and the repair it needed and was assured that his mechanics would do a great job as I was confident in their integrity and their work ethic. Noone has returned any of my calls the mechanic stopped answering refusing to return my vehicle and I've been disrespected and disregarded now I am forced to take legal action against you. I left a review on their google business page a month ago someone hearted the message but never responded as the owner often replies to reviews left. The business number is still the same goes to vm and has been since 12/2025. Sent a demand letter with a packet of proof that this busienss was in possession of my vehicle that was returned at this point a lawsuit is the only move to make. God will work it out for me. It's pretty disgusting.

Great mechanical work done on my boat. Professional and fair prices. Have they recommend this…read morecompany

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.

Raúl is the man! I bought a new to me forklift that I then found out had a leaking main seal. Put…read morethe project up on Yelp and he immediately responded and walked me through what he had to do. Transported the forklift to his shop, took care of the job and sent it back to my shop. A+ service! I will definitely be using him for my routine maintenance on this unit and any other I come across in the future.

I belive Raul was the technician that assisted me. He was thorough and extremely knowledgable.read more

Carlos is the best! So helpful, responsive, and incredibly knowledgeable. He took the time to…read moreexplain to us the problem with our car and anything else that could be related. I was in and out in one day even though other places wanted me to leave my car over night. I live 30 minutes away but I'll happily make the drive again to work with an honest business like High Tech.

Prices are way too high and I had to take my car back three times for the same issue which was a…read morebad fuel pump in which he charged me 1,000 dollars and to this day does not work adequately and for some reason my speed odometer is not responsive one day after I picked up my car the third time. I asked to know the order number of the fuel pump installed because obviously what he is doing is buying very cheap products and selling his services for triple and Muhammad the owner along with Mark denied to give me the order the number and said, "We are not responsible for the broken parts we just buy them we don't make them." Muhammad has raised his voice at me numerous times when I questioned him about the broken fuel pump and has even went so far to cuss me out and hang up on me. I am definitely going to see another mechanic and I suggest you do too and save lots of money and time.

Diesel Tune is your go-to shop for all of your diesel repairs!!!!!…read moreI'm so thankful I found George and his highly capable crew of mechanics. "Diesel" = $$$$$ and Diesel Tune has always had fair prices, they are quick to try and get my truck in, diagnosed and out whenever possible. They always find OG parts when they're available for my 97 and go out of their way as far as customer service goes. I'd give them 10 Stars if I could. If you want an honest shop, no bullshit... then Diesel Tune is the place!!!

An overdue review for a great business! Diesel Tune is…read moredefinitely one of the best diesel mechanics in the area. I encourage you to take your truck with the most issues, these guys will repair it all in a super efficient time frame at a reasonable cost guaranteed. Thank you !

I had a few issues going on with my Freightliner Cascadia last June. I was home for a few days and…read moreI needed to get the truck in (and out) of a shop as quickly as possible so I could get back to work. A business associate of mine at ACE Relocation recommended Orange County Fleet Services. I called Darrin at OC Fleet on a Friday afternoon and he told me to bring my truck in as soon as I could. As soon as I showed up, Darrin and his crew went to work diagnosing things and then two days later I was back over the road. Nice price, and the truck is running GREAT... I am a satisfied customer! Thanks, Darrin

From the owner: Diesel Fuel Repair, Axle Repair, Diesel Mechanic. Mobile 24/7 Truck Diesel & Equipment Repair…read moreRoadside big rig, fleet and equipment service throughout Orange County, Anaheim, Santa Ana, Orange, Fullerton, Tustin, Costa Mesa, Irvine, Garden Grove, Santa Fe Springs, Commerce & La Habra *Email us at ocfleetrepair@gmail.com or *call 949-494-2909 to schedule services

LLTM saved my day and earned a lifelong customer…read more I called LLTM for a diagnostic, oil change, and a full 25-point inspection on my diesel truck, and I couldn't be more impressed. Their head mechanic, Mr. Lopez is one of the most thorough and respectful technicians I've ever worked with. He took the time to explain everything clearly, showed me what needed attention, and never tried to upsell unnecessary repairs. What really stood out is their professionalism, honesty, and mobile convenience. They came directly to me, worked efficiently, and had my truck running smoother than it has in months. You can tell they genuinely care about the quality of their work and their customers' safety on the road. If you're a trucker or fleet owner in Southern California looking for reliable, trustworthy, and detail-oriented diesel maintenance, LLTM is the team you want. I'll definitely be coming back for all future repairs.

From the owner: Reliable diesel truck maintenance and repair for Southern California truck drivers. Offering expert…read morediagnostics and roadside assistance 24/7. Keep your fleet running smoothly.