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    What Do Your Dashboard Lights Mean?

    Last updated 8 months ago

    Every automaker designs cars differently, but most vehicles have a common set of dashboard warning lights to let you know when something is wrong. This brief video covers some of the most common dashboard lights and some of their most common causes.

    Every vehicle has a set of warning lights for the oil levels, engine, brake system, and antilock brake system for vehicles so equipped. An on-board diagnostics system continuously monitors the performance of all of these components and triggers a warning light if normal performance is noticeably affected.

    Walt’s Danville Service has been serving the Tri-Valley area since 1970. Our team of ASE-certified technicians will work to quickly identify any performance issues in any make or model and provide high-quality repairs. Call (925) 394-4092 for information about our auto repair services or to set up a service appointment.

    Signs that Your Car Battery Is Dead

    Last updated 9 months ago

    It’s common practice to check your car battery in the winter, but high temperatures can also be problematic. The fluid inside of the car battery can evaporate, eventually causing it to fail. But how do you tell the difference between a dead battery and something else such as a broken alternator or blown fuse?

    Finding out your car won’t start is a nasty surprise, but with some quick troubleshooting you can determine if the battery is the culprit. The battery supplies electrical power to the car, so check the headlights and horn to see if they function normally. Dead batteries can also emit a distinctive acidic smell. A jump start will usually provide you with enough power to start the car and drive a short distance. Never attempt to short the battery terminals with each other to see if there is power.

    Whether you need to replace something as simple as the battery or something as major as the alternator, Walt’s Danville Service is here to provide you with full auto repair services for any make and model. Contact us at (925) 394-4092 to schedule a service appointment.

    Examining the Common Signs of Brake Failure

    Last updated 9 months ago

    Brakes are an essential safety feature in every vehicle, but aside from recommended maintenance it can be difficult to identify any issues until after the fact. Most people think that replacing the brake pads is all they’ll ever have to worry about, but there are other mechanical issues that can develop without regular service from a certified auto repair specialist. Watch out for these common brake issues:

    Squealing or Grinding Noises

    Replacing brake pads is one of the most important brake maintenance measures, but many people wait too long to do so. Most brake pads have a wear indicator embedded in the friction material which contacts the rotor after they wear to a certain point. It won’t damage your rotors, but putting off replacements can cause the steel backing to grind against them, which does cause major damage.

    Shuddering or Pull While Braking

    If you notice handling issues every time you apply the brakes, it usually indicates a localized issue in one of the rotors, pads, or mechanical assembly. It’s fairly easy to inspect rotors or pads for signs of warping or other damage through the hubcaps, but a fluid leak will have to be repaired by a certified auto mechanic.

    Loose/Firm Brake Pedal

    Unlike the gas pedal which relies on a cable and spring to provide tension, the brake pedal is connected to a hydraulic system. Any fluid leaks or air infiltration can cause the pedal to lose tension. Conversely, a vacuum assembly allows you to stop thousands of pounds with your foot; if it develops a leak or if there is an obstruction in the brake line, the pedal can tighten up considerably.

    Walt’s Danville Service has been providing residents of San Ramon and the surrounding areas with certified auto repair and smog check services since 1970.  Customer service is our top priority, which is why we provide warranty coverage on all repairs and offer rental cars and shuttle service. Don’t hesitate to contact us at (925) 394-4092 for more information about our auto repair services.

    Answering Common Questions About Synthetic Oil

    Last updated 9 months ago

    When it comes to choosing motor oil for your vehicle, you may wonder if you should be using synthetic or conventional motor oil. In fact, both types of oil offer different advantages when used properly. To help you determine which type of oil you should be using when you change your oil, here are some answers to common questions about synthetic oil:

    How does Synthetic Oil Differ from Conventional Oil?

    The biggest difference between synthetic and conventional oil lies in the manufacturing process. Conventional motor oil is derived from naturally sourced petroleum. By contrast, synthetic oil is produced chemically in a lab. Because synthetic oil is artificially produced, the manufacturer can create a product that is cleaner burning and longer lasting. However, this means that synthetic motor oil is more expensive than conventional oil.

    Are There Benefits to Using Synthetic?

    Synthetic oil lasts longer and is more refined than conventional oil, meaning that it is an ideal choice for high performance engines with specially calibrated components. Because synthetic oil is more viscous under extreme temperatures, it will leave less engine residue and provide superior lubrication. Synthetic oil also offers longer intervals between oil changes.

    How Do I Know if I Need Synthetic?

    The owner’s manual for your vehicle will tell you if your vehicle requires synthetic oil. Typically, high performance vehicles and luxury cars require synthetic oil to remain in peak working condition. If your owner’s manual does not call for synthetic oil, it may not be worth the extra expense. In many cases, your vehicle will run optimally with conventional oil. 

    If your vehicle is due for an oil change, come to Walt’s Danville Service. Our experienced technicians will fill your vehicle with the right oil for optimum performance, and you can trust us to provide you with top quality auto repair and maintenance services. To make an appointment at our Danville auto repair shop, call us at (925) 394-4092.

    Understanding When Your Tires Need to Be Replaced

    Last updated 10 months ago

    Your vehicle’s tires are one of its most important systems. Tires affect the safety, performance, and efficiency of your vehicle. After miles on the road, your tires and tire treads will begin to wear down. To know when your tires need replacement, you can look at your tread wear. If the tread wear indicator bars are visible on your tires, it is time for a tire replacement. Uneven tire tread wear is an indication that you should have your tires rotated and your wheels rotated. As a general rule, you should be sure to replace your tires at least every six years.

    At Walt’s Danville Service, we provide top quality tire replacement services. In addition to tire service and replacement, we also offer a full range of auto repair and maintenance services that will keep your vehicle in peak working condition. To hear more about the services we offer the San Ramon area, call us at (925) 394-4092.

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Failed Smog? We Can Help!

We are proud to announce here at Walt’s, we are the only state certified smog check facility in the San Ramon/Danville area! Click "Print It" button below to download the CAP application.



  • Hours:

  • 8:00 AM to 5:30 PM Monday
  • 8:00 AM to 5:30 PM Tuesday
  • 8:00 AM to 5:30 PM Wednesday
  • 8:00 AM to 5:30 PM Thursday
  • 8:00 AM to 5:30 PM Friday


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