What to Know at Each Step of Your Project

When is it Time to Choose a Different Auto Repair Shop?

Choosing a different auto repair shop isn’t about being disloyal—it’s about deciding what’s right for you and your vehicle. When communication slips, problems repeat and trust fades, finding the right auto repair shop can keep you safely on the road.

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Top Tips From Diamond Certified Auto Repair Experts

From protecting your car’s finish and handling the aftermath of a collision to maintaining essential components like brakes and tires, these insights from Diamond Certified Expert Contributors will help you keep your vehicle safe, reliable and performing at its best.

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Frequently Requested Auto Repair Services

Here are the most common requests for local auto repair shops.

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Glossary of Auto Repair Terms

Here are some key auto repair terms and descriptions that will help you navigate your way through the process from beginning to end.

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Auto Repair FAQs

Here are several frequently asked questions about auto repair, including hiring and working with a repair shop.

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Regular oil changes are crucial for keeping your vehicle's engine in top condition and extending its life span.

Posted By Matthew Solis

Regular oil changes are crucial forkeeping your vehicle's engine in top condition and extending its life span.Here’s why: 

Engine lubrication
The primary role of motor oil is to lubricate the engine components to prevent them from grinding against each other, causing wear and tear. Over time, oil breaks down and loses its effectiveness due to heat exposure. Regular oil changes ensure your engine is always running with fresh oil that provides optimal lubrication, reducing friction and preventing damage to engine parts. 

Cooling engine components
Engines generate a significant amount of heat. Without proper lubrication from fresh oil, the engine's components could overheat, leading to engine failure. By maintaining clean and
sufficient oil in the system, you help distribute and minimize heat away from critical engine parts.

Removing engine wear particles and sludge
As oil circulates through the engine, it picks up debris and dirt particles. Over time, these contaminants can accumulate and form sludge, which hinders your engine’s performance and leads to increased fuel consumption. Regular oil and filter changes help remove these impurities, keeping your engine clean and running smoothly. 

Improving gas mileage
A well-lubricated engine runs more smoothly and efficiently. When your engine doesn't have to work as hard to overcome internal friction, it consumes less fuel. Regular oil changes can significantly improve your gas mileage, saving you money on fuel in the long run. 

Extending engine life
Oil serves as a protective barrier for engine components, shielding them from excess wear and corrosion. By routinely replacing your vehicle's oil, you prevent excessive engine wear and corrosion, thereby extending the life of one of the most expensive components of your vehicle. 

Maintaining vehicle value
A well-maintained vehicle, including regular oil changes, can retain more resale value. Keeping a log of maintenance records, including oil changes, can be a significant advantage when
selling or trading in your vehicle. 

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Diamond Certified Expert Contributors Car Repairs and Maintenance

Eduardo Porta

Eduardo Porta

Owner
Fremont Foreign Auto

Eduardo Porta: Living the Dream

FREMONT — Whether you drive an older or newer car, whether it’s a foreign or domestic model, there’s one thing you shouldn’t waste your money on: resurfacing your brake rotors. Resurfacing is a method for restoring and extending the operating lifespan of rotors that are still in reasonably good condition at the time of brake pad replacement. While this may sound like a good idea, it’s usually more trouble than it’s worth. It’s not uncommon for problems to arise with resurfaced rotors. For example, within six months of having your brake pads replaced and the rotors resurfaced, you may start to have pulsation issues when coming to a stop. You shouldn’t have to deal with this kind of issue so soon after having your brake pads replaced. Read more

Walee Gon

Walee Gon

President
Faxon Garage

Walee Gon: The Gift

SAN FRANCISCO — A car’s tires may be “where the rubber meets the road,” but another important aspect of a vehicle’s traction is its shocks. Unfortunately, unlike tires, shocks tend to be overlooked, which is why the first time you typically hear about them is when they’re leaking, at which point they’re already well beyond their useful lifespan. However, due to the critical part they play in vehicle operation, it’s important to be proactive about inspection and replacement. Most people think shocks are primarily there to make driving more comfortable, but in reality, they have a far more versatile function. For example, shocks’ role in controlling vehicle body movement also translates to safety and stability while driving, Read more

Chester Kniss

Chester Kniss

Owner
Delta Transmission

Chester Kniss: A Mechanical Mind

ANTIOCH — Much like a “quick stop” oil change, a transmission flush provides a fast and affordable means of maintaining a vital vehicle component. However, upon closer inspection, this convenient service may not be as good an idea as it appears. The problem with a transmission flush is it only addresses the fluid itself, which means components like the filter and gasket are ignored. While the fluid gets changed, any debris buildup inside the transmission case gets left behind, most of which becomes trapped in the filter. Over time, if the filter becomes plugged up with debris, it can result in a worse issue with the transmission than existed previously. For this reason, Read more

Will Trbovich

Will Trbovich

Owner
Acur-it Auto Repair

Will Trbovich: Spirit of Sustainability

ROHNERT PARK — You’re probably aware that your home’s furnace has a filter that keeps your indoor air relatively clean. But did you know there’s a similar situation in your car? In fact, your vehicle likely has not one but two types of air filters. First, there’s the cabin filter. Just as a furnace filter provides clean air for the home’s inhabitants, a cabin filter provides clean air for the vehicle’s driver and passengers to breathe. Since the air on the roads and freeways can be saturated with smog and other noxious elements, a cabin filter is a valuable asset for driver and passenger health. Cabin filters are typically located at the front of the vehicle interior (below the dashboard or behind the glove compartment) and can be removed and replaced as needed. Read more

Cliff Do

Cliff Do

Owner
A1 Performance Auto Repair

Cliff Do: A Dynamic Development

SUNNYVALE — Brakes are one of the most important components of any vehicle, which is why it’s vital to proactively maintain them. A crucial part of brake maintenance is being able to tell when they need to be replaced altogether. To take the guesswork out of brake replacement, some modern cars are equipped with brake pad wear sensors. Mounted on the brake pad and routed through the caliper, this sensor warns drivers if the pad is becoming excessively worn and needs to be replaced, usually by triggering a warning light on the vehicle’s dash. However, not all vehicles are equipped with such warning devices, which is why you should have your brakes inspected on a routine basis. Read more

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Savvy Consumer Tip: Preparing for a Road Trip

Headed out on a road trip this summer? Watch this video for some tips on how to prepare your car for a long drive.

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