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Diesel Diagnostic & Repair

  • Repair Service in Harrisville
  • Closed
  • 4.9
    (89)
Diesel Diagnostic & Repair
Reviews
4.9 out of 5
(89 reviews)
4.9
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Amar Singh
3 weeks ago
I had a transmission issue while driving to deliver something. I couldn’t shift gears and broke down on the side of the road. I called Diesel Diagnostic and Repair. They arrived immediately, scanned the vehicle, and found that my clutch plate and flywheel were broken. They did an excellent job, removing the transmission, replacing the flywheel, clutch, and rear main seal, and clearing all the codes. Their prices are very reasonable, and they don’t overcharge. They genuinely help drivers. They are honest and reliable, so I highly recommend Diesel Diagnostic and Repair. If you ever break down, come here. You won’t have to worry about anything.
Yoan Castellanos
3 weeks ago
I went to Hovis Truck Repair because my truck was losing a lot of air. They told me I needed a new air compressor, which would have cost me over $1,000. Before replacing it, I decided to get a second opinion and went to Diesel Diagnostic & Repair. Their team carefully checked the truck and told me that my compressor was actually fine and that the real problem was a major air leak somewhere in the system. It took them about two hours to find the leak and fix the actual problem. Thanks to their honesty and expertise, they saved me from replacing a perfectly good compressor and spending unnecessary money. I really appreciate their honesty, fair pricing, and professional work. They could have easily replaced the compressor and charged me more, but instead they fixed the real issue. I strongly recommend Diesel Diagnostic & Repair to anyone looking for honest and reliable truck repair.
Justin Frampton
a month ago
If you need diesel diagnostic and repair, STOP searching and call these guys right now. Hands down the BEST in the area. I brought them one of those nightmare, hard-to-track, “no one else can figure it out” problems — and they absolutely crushed it. Fast, accurate diagnostics and no guessing games. They found the issue, explained everything clearly, and had me back on the road quicker than I expected. Professional, honest, knowledgeable, and efficient. If you run diesel equipment or trucks and want it done right the first time, this is THE shop. Over-the-top service, high speed turnaround, and real expertise. Five stars isn’t enough. 🔥🚛💪
Innocent Ndayambaje
3 weeks ago
Blew my 4 airbags and airlines for my trailer in the heavy rain and flood. They fixed my entire trailer suspension on the road in the heavy rain when no one wanted to come. They were the ones who came. The pricing was amazing, and the mechanics were professional and took their time thoroughly inspecting and repairing my trailer. 8 hours on the road in the rain. They did a fantastic job. Because of them I can now attend and won’t be late to a wedding event😂. Highly recommended this shop.
Ahmednafa Afrah
a month ago
I had a DEF issue and all my warning lights came on, so I took my truck to Diesel Diagnostic. They were incredibly helpful, quickly identified the problem, and fixed it at a very fair price. Now my truck is running perfectly, all the codes are cleared, and I’m back on the road with no issues. I highly recommend this shop to anyone needing reliable and honest service!
Yunus Alptekin
3 months ago
Diesel Diagnostic & Repair is my go to diesel mechanic shop when any issues arise on my truck. They always are honest, reliable, and affordable. They explain exactly what happened and offer expert solutions. I know my truck is always in good hands. Thank you for helping me!
Singh Virk
6 months ago
I was stuck on the road and Diesel Diagnostic & Repair helped me out right away. They saved me a lot of money and treated me with great respect. These people really know what they’re doing, and they did an excellent job on my truck. I truly appreciate their service and highly recommend them to anyone in need of reliable truck repair.
Ravi Kharb
3 months ago
⭐⭐⭐⭐⭐ Diesel Diagnostic & Repair My truck broke down due to a DEF warning light, and I brought it to Diesel Diagnostic & Repair. They diagnosed the issue quickly and fixed my truck without any hassle. I’m extremely satisfied with their work. The pricing was fair, the people are genuine, very friendly, and truly helpful. They explained everything clearly and treated me with respect. I strongly recommend Diesel Diagnostic & Repair to anyone needing honest and reliable diesel service.
amandeep AD
4 months ago
I got broke down last night and my truck won’t start and I tried to tow the truck to diesel diagnostic and repair but couldn’t find any to service and this morning diesel diagnostic finally came and fixed my truck and the diagnostic made my day so I can spend time with my family for Thanksgiving thank you and I expect this Shop. They are very good guys very polite and gentle and very genuine prize there is no overcharge or something.
Jonathan Pinto
a month ago
Munish really went out of his help me with something that wasn't a regular job. His team helped me do a valve adjustment on a 4BT that going in my International scout 800, and work out a few kinks that needed to be. They explained to me why and totally understood...catching problems before they happen...that would have cost me. Saved me thousands!!! I definitely owe the whole Diesel Diagnostic & Repair team. THANK YOU ALL!
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