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Articles:

Timing Belt

Ever heard the sad tale of a staggeringly steep repair bill from a broken timing belt? Bad news. Let's take a lesson from their woes and remember to think about our timing belt.First, let's review what a timing belt does. The top part of the engine over the cylinders is called the cylinder head. The head contains the valves. There's at least one valve that lets the fresh air into the cylinder. This air, mixed with fuel, burns to create power. Then another valve or two will open to allow the exhaust out of the engine. Each cylinder has 2 to 4 valves - that's 12 to 24 valves for a V-6, up to 32 values on a V-8. The opening and closing of the valves is done by a camshaft. The timing belt uses the rotation of the engine to drive the camshaft which opens and close the valves. It's called a timing belt because it has to be adjusted to rotate the camshaft to keep proper time with the engine so that everything's in sync.The timing belt is a toothed rubber belt. But some vehicles use ... read more

The Davis Automotive Repair Guide to Proper Fluids for Your Vehicle

The automotive professionals at Davis Automotive Repair would like to give Centennial drivers an update on some of the things happening in automotive fluids. You know, vehicles are becoming more sophisticated every day.  Fluids such as, oil, coolant and transmission fluid are becoming more specialized at about the same pace.The Centennial do-it-yourselfer has to be pretty careful so that they do not actually harm their vehicle with the wrong type of fluid. That is why so many Colorado ] owners rely on the advice of their friendly and knowledgeable Davis Automotive Repair service advisor to not only get the correct family of fluids, but to suggest the formulation that is best for their vehicle and their driving habits in the Centennial area.Let's start with engine oil. Centennial drivers who have been paying attention will have noticed a number of new oil weights on the Colorado scene in the last sever ... read more

When Do My Shocks Need to Be Replaced?

A good suspension system gives a vehicle a smooth, even ride while providing Centennial drivers with good handling and control. But like any system on your vehicle, parts of the suspension system can wear out, leading to a lower ride quality and safety concerns. So it's a good idea for drivers in Centennial to remember their suspension system in their schedule of preventive maintenance. Springs do most of the work of the suspension system. The most common types of springs are coil and leaf, but air springs and torsion bars are becoming more common. The body of the vehicle is “suspended” by the springs.If springs were the only working component in your suspension system, however, you'd spend your travel time bouncing up and down like a bobblehead. That's where your shocks come in. They keep the rebound, or bounciness, of the springs under control. Shocks also keep your tires on the road, which keeps the driver in control of the vehicle. Some vehicles have struts in their sus ... read more

Fuel Injectors

The last new American vehicles sold in Centennial with a carburetor rolled out of the Colorado dealerships in 1990. Since then, all new vehicles here in Centennial, and nationally, have had fuel injectors. In very simple terms, a fuel injector is a valve that squirts fuel into your engine. Your engine control computer tells the fuel injector how much gas to deliver as well as the precise time it should be delivered. Of course this happens thousands of times a minute. Fuel injectors deliver fuel far more precisely than carburetors. That translates into better fuel economy and more power for Centennial drivers. Virtually all fuel injectors for gas engines are known as port fuel injectors because they deliver the fuel to a port just outside the cylinder. Port fuel injectors operate at about 40 to 80 pounds per square inch of pressure.A few vehicle manufacturers have introduced gas direct injection systems on some engines recently. These systems injec ... read more

The Davis Automotive Repair Guide to Saving Fuel: Beware of Myths

There's a lot of auto advice in Colorado right now on how to save money on gas. Some of it is good advice. Some of it isn't. Some of it is myth. And it may well be a scam. Plain and simple. When someone offers you a product designed to save money on gas, ask yourself, “Does this sound too good to be true?” If the answer is yes, do more research.The internet offers us a convenient and quick way to research someone's claims about gas savings. Centennial drivers can usually find out in only minutes whether that claim is questionable or not.Chances are other Centennial drivers have already tried what you're being offered. If you find evidence that others feel they have been scammed, you should be wary of becoming the next victim. There aren't any pills, magic or otherwise, that you can drop into your gas tank to improve your gas mileage. Drop in enough of those pills and you can actually harm your vehicle. The last thing you need is a ... read more

Breathe Deep in Centennial With a New Cabin Air Filter

Poor interior air quality is nothing to sneeze at, and Centennial auto owners might be interested to know that more and more new cars are coming equipped with a cabin air filter. Check your vehicle owner's manual, but they typically need to be replaced at around 12,000 to 15,000 miles (19,000 to 24,000 kilometers).The filter is usually under the vehicle hood or under the dashboard. Some are a little tricky to get to, so you'll want to have your friendly and knowledgeable Davis Automotive Repair service advisor take care of replacing them.As we said, many Centennial people don't realize they have a cabin air filter and come to Davis Automotive Repair saying "my vents are smelling bad." It usually turns out to be a dirty cabin air filter. A switch out and they're on their way, smelling sweet.Centennial residents who suffer from allergies can really benefit from a cabin air filter as it keeps irritants to a minimum.If you're one of them, you'll want ... read more

Are There Blind Spots in Centennial?

All Centennial drivers have blind spots – and no, I'm not talking about the fact that you really don't sing like Adele. I mean the areas of the road that you can't see when you're driving around Centennial.First let's talk about our own blinds spots, and then we can talk about others...To begin, we can greatly reduce blind spots by properly adjusting our mirrors to give the widest coverage possible. Make the adjustments in your vehicle before you start to drive.First, Centennial drivers should adjust their rear view mirrors to give the best possible view directly to the rear of their vehicle. Centennial folks don't need it to get a better view of either side of the car, the kids in the back seat or their dazzling smile. It's pretty obvious, the rear view mirror should reflect the rear.Next, lean your head until it almost touches the driver's side window. Adjust your side mirror so that you can just barely see the side of your car. Now, lean your head to the middle of th ... read more

Fuel System Cleaning the Professional Way at Davis Automotive Repair

Your fuel system needs to be clean to do its job properly. When it gets dirty, the results are lower engine performance, reduced fuel economy and impaired safety. It can even lead to costly repair bills for Centennial drivers. So keep your fuel system clean as part of your routine preventive maintenance.Fuel injectors have replaced carburetors in most of today's vehicles. These injectors deliver better fuel economy than a carburetor, but they can be compromised by rust, dirt and other contaminants. They need to be clean to maintain the correct pressure, spray pattern and volume of delivered fuel so that the vehicle engine can run at peak efficiency.There are products on the market that Centennial vehicle owners can add to their gas tank that will help keep your fuel injectors clean. These products will keep a clean fuel system clean but have trouble cleaning a system that has already gotten gummed up.If your fuel system needs a major cleaning, Davis Automotive Repair c ... read more

Davis Automotive Repair Engine Air Filter Replacement

When your experienced Davis Automotive Repair technician changes your oil, he will also inspect your air filter. You shouldn't need a new air filter at every oil change, but you will need to change it regularly. Heed your technician's auto advice if they tell you to change your air filter.An air filter does what its name implies: it filters stuff out of the air. Air is drawn into your engine through the filter because your engine needs air to burn fuel. If the filter weren't there, a lot of dust and debris would come into the vehicle engine with the air when you are driving around Centennial. That dust and debris would get hot, burn and produce all kinds of ash and gumminess that would eventually clog up your engine. Drop in an air filter and voilá! Problem solved. But air filters themselves get clogged up with all the junk they clean out of the Centennial air. This doesn't allow the junk into the vehicle engine, but i ... read more

Lease or Buy?

Lease? Or buy? These are the options for Centennial drivers. It's always a tough question for auto owners, but here is some info that'll help you make an informed decision.If you buy, you'll pay the full cost of the vehicle, maybe an initial down payment, monthly payments on the balance that pays down the loan principal, and the finance charge.Centennial drivers who lease finance the portion of the cost of the vehicle that's used up during the term of the lease. You'll pay some money up front: fees, security deposit, first month's payment and maybe a capital reduction. The monthly payments include a depreciation cost and a finance charge. When the lease is up, you return the vehicle to your local Centennial area dealership. So how do Centennial drivers decide?First, how much do you have for a down payment? A lease usually requires a smaller down payment.How much monthly payment can you afford? Again, lease payments will ... read more