H & B Karmakanix Logo | Adams Autoworx

Welcome H&B Karmakanix Clients and fans to the Adams Autoworx Family

How can we serve you?

Outstanding Legacy | Diablo Auto Specialists
Proud to Serve Walnut Creek | Diablo Auto Specialists
Always Professional Service | Diablo Auto Specialists
Serving Since 1979 | Diablo Auto Specialists
Same Day Service | Diablo Auto Specialists
Shop or Tires | Diablo Auto Specialists

Why should you make Diablo Auto Specialists your vehicle repair shop?

Adams Autoworx is proud to announce that we have added an outstanding legacy shop to our company. Please welcome Diablo Auto Specialists in Walnut Creek to the Autoworx family. We took over the mantel from Tim and Cathy Stussi on March 2, 2022. Diablo Auto Specialists is Walnut Creek's only 5-Star auto repair and service center on Google. If you are in the area, please drop by, give us a call, or a "howdy" on social media. We are proud to now serve Walnut Creek and surrounding communities.

Wonderful and professional service. We take all of our cars to Diablo Auto Specialists. The work is top-notch at very reasonable prices.
5 star review by Dean M.
Always professional service and advice from Diablo Auto Specialists
5 star review by TQMon E.

Walnut Creek Auto RepairDiablo Auto Specialists

Diablo Auto Specialists in Walnut Creek offers superior auto service, maintenance, diagnostics and repairs for your Import and Domestic vehicles. Our qualified staff will help you with any auto repair or auto service that you need. Our technicians and mechanics stay up to date with the latest technology and education to better service your vehicle. Whether you drive a car, truck, SUV, or Hybrid, our service bays welcome you.

Since 1979, Diablo Auto Specialists has provided the best Walnut Creek auto repair and service. If you have any questions at all regarding a recommended service or repair, a trained technician, mechanic, or other staff member will walk you through the process and explain everything to you. Don't be misguided by inaccurate internet blog posts or greedy dealerships. Let the real experts look at your car.

We offer same day service for most requests if you schedule an appointment. Our service center is a short ten minute walk to the Walnut Creek BART.

ASE Logo | Diablo Auto Specialists
ASCCA Logo | Diablo Auto Specialists
ASA Logo | Diablo Auto Specialists
Certified Green Business Logo | Diablo Auto Specialists
Carfax Logo | Diablo Auto Specialists

Our Mission

Quality Icon | Diablo Auto Specialists


We beat the dealers with our
3 year / 36,000 miles Nationwide Warranty.

Value Icon | Diablo Auto Specialists


We will beat any dealer quote for like services.

Service Icon | Diablo Auto Specialists


We answer our phones and can solve your cars service needs.

Diablo Auto Specialists Services

Diablo Auto Specialists is a full service Walnut Creek auto repair shop. Whether your vehicle needs a minor service, or your car requires expert level diagnostics or major engine work, bring it to Diablo Auto Specialists with confidence. Our ASE certified Master Technicians will take good care of your car.

Factory Scheduled Maintenance Services

Diablo Auto Specialists provides full range of factory recommended services. From 7.5K service, to 15K, 30K, 45K, 60K, 90K up to 120K service – whether your car needs a minor or major service, give us a call, we are here to help.

Read More

Brakes, Anti-Lock Brake Repair/Diagnostics

At Diablo Auto Specialists, we are specialists at diagnostics and repair of brake and anti-lock brake systems.

Read More

Heating and Air Conditioning

It’s another scorching hot day and rolling your windows down just isn’t enough. So, seeking relief, you reach for your...

Read More

Tire Services

The certified technicians at our repair shop are experts in providing high-quality tire services, including tire installation, tire balancing, tire rotation and tire inspection.

Read More

Oil Changes and Lubrication

When you are an owner of a vehicle, there are a few things you must do to ensure that your vehicle continues...

Read More

Transmission/Radiator Service and Repair

Our ASE Master Certified Technicians are experts in both radiator and transmission services and repairs.

Read More

See All Auto Repair Services

Online Appointments

Shop Hours:Mon - Fri: 7:30 AM - 5:30 PM