Complete Auto Repair Services for Sonoma Valley Drivers

At William’s Auto Care, our goal is to provide every possible automotive repair and maintenance service for Sonoma Valley Drivers. We work on all makes and models—foreign and domestic, brand new and vintage. Our technicians take the time to thoroughly examine every car that comes to our shop to make sure our customers have a complete picture of the condition and safety of their vehicles. Bring your car or truck to William's Auto Care for any of the following services:

  • Oil Changes / Lube Service
  • Factory Maintenance Schedule
  • Brake Work - Inspection, Service & Repair
  • Tires & Alignment
  • Emission System Repairs
  • Diagnostics
  • Scan Check Engine Lights
  • Starters
  • Alternators
  • Batteries
  • Fuel Injection Cleaning
  • Heating Systems
  • Radiators
  • Water Pumps
  • Wheel Balance
  • Scheduled Maintenance
  • Suspension
  • Drive Axles
  • U-joints
  • Tune-ups
  • Radiator Service - Coolant / Antifreeze Change / Flush
  • Transmission Service & Repair
  • Air Filter Replacement
  • A/C - Air Conditioning
  • Wheel / Tire Alignment
  • Timing Belt Replacement
  • Exhaust / Muffler Service & Repair
  • Detailing & Cleaning
  • Windows & Windshields

Oil Changes

As our mission is to provide Sonoma Valley drivers with a local auto repair shop that takes care of all your vehicle's needs, we also provide oil changes. We additionally offer a complimentary vehicle inspection with your oil change as we care about your safety.

Brake Work

Not being able to stop is one of the worst things that can happen on the road. Brakes wear out and need to be serviced and replaced on a regular basis for optimum safety and performance. Our knowledgeable brake experts understand the driving conditions in Sonoma Valley and know your brakes require care—which is why we provide a 50-point inspection with every service to ensure that any issue is fixed before it becomes a dangerous problem.


Tires are your vehicles contact to the road. They bear the weight of your vehicle and deliver steering, acceleration and braking force to the surface being travelled upon. this makes them one of the most important components of your vehicle. We will make sure you get the right tires for your vehicle and driving needs.

Preventive Maintenance

Following your vehicle's manufacturer suggested maintenance is key to keeping your car running well and running longer. At William's Auto Care, we give you peace of mind in knowing your car is in the best condition possible, when you take to the road.

Transmission Service

Transmission work can be one of the most complicated (and potentially expensive) repairs done on your car or truck. That's why it's important to take your vehicle to a shop with experienced—and honest—technicians. At William's Auto Care, we understand that some transmission problems can be resolved with a minor adjustment while others require a complete overhaul. We have the training and expertise to properly diagnose and fix your vehicle's transmission problem.

Fleet Service

Our experienced technicians are here to perform oil changes, brake work, diagnostics and tire replacement and other services to maintain your fleet up to light duty commercial vehicles and keep your business rolling.

Cleaning & Detailing

At William’s Auto Care, we know how difficult it can be to clean your own vehicle. And who has time to do it? We offer some great detailing and cleaning packages that suit just about any budget. Our attention to detail is sure to impress you.


We have exceptional diagnostic capabilities at William's Auto Care. Not only do we use the latest technology and state-of-the-art equipment, our certified technicians review areas of your vehicle's engine that may not be covered by a computer system. If your check engine light is on, we'll find out why and make sure your running conditions are safe and sound.