Scott B.
6/23/2025
These guys are super honest, straightforward, and good at what they do. I recommend them to anybody that has issues with their diesel.
Devil Mountain Diesel
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(28)
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1500 3rd Ave
Walnut Creek, CA 94597
Devil Mountain Diesel, located in Walnut Creek, CA, specializes in light duty domestic diesel truck repair and services. With a team of ASE Master Certified Technicians and over a decade of factory training, they offer a cost-effective alternative for everything from minor maintenance to complete engine overhauls.
As a proud member of the Automotive Service Councils of California, Devil Mountain Diesel prioritizes ethical standards and exceptional customer service. Their reputation for delivering high-quality repairs and expert solutions has made them a trusted choice for diesel truck owners in the Bay Area.
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Reviews
4.028 reviews
Emily F.
9/27/2025
Diagnosed for one issue and then took apart the entire engine only to find out it would cost thousands to put it back together. Had AAA pick up the truck and was told "oh that piece of Sh$t is...
Mike R.
9/17/2025
Talk about a joke of a shop. You're going to pay thousands of dollars for some kid to pull apart everything for 250 an hour just for them to try and get more money out of you. No respect for...
Cary M.
8/13/2024
After having a less than stelar experience with another shop that is a diesel specialist in the area, I decided to try Devil Mountain for an emergency issue I had with my 2005 Dodge Cummins. I...
Jayson J.
9/27/2023
I've always been heavy on my gas pedal, spending more time off-road than on. So when my truck started to feel sluggish, I knew I had to do something about it. I chatted with a few shops and...
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