May 15

Today we want to talk about a very important system in our cars – the cooling system. It’s one of those things that you don’t give much thought to until it fails and then you’re stranded by the side of the road.

Cooling systems fail more often than any other mechanical system – usually because of neglect. Don’t you hate it when something breaks, and you could have done something to prevent it?

The good news is that if you take care of your cooling system it can keep working for the life of your car.

Here at AutoNetTV, we emphasize preventive maintenance services like replacing your coolant according to the factory schedule. But the various parts that make up the cooling system need attention too. The major components of the cooling system are the water pump, freeze plugs, the thermostat, the radiator, cooling fans, the heater core, the pressure cap, the overflow tank and the hoses.

It sounds complicated, but we don’t have to be experts – we can leave that to our friendly service technicians at Olson Tire and Auto Service, Inc.. But, having an overview will help us remember to take care of our cooling systems.

Most people would be surprised to know that burning fuel in your engine produces up to 4,500 degrees of heat. And all that heat has to be dealt with. If the heat can’t be drawn off the engine, the pistons will literally weld themselves to the inside of the cylinders – then you just have to throw the engine away and get a new one. That would cost thousands of dollars.

Now the water pump is what forces the coolant through passages in the engine to absorb heat. The pump is driven by a belt that needs replacement from time to time. And the water pump will eventually wear out and need to be replaced. Spending some money on replacing the belts and water pump is much less than the cost of repairing the massive damage that can be done when an engine seizes.

There’s another little part of the coolant system that protects the engine. It’s called a freeze plug. If you remember from high school chemistry, water expands when it freezes. In very cold areas, the coolant can actually freeze when the vehicle is left sitting.

It is hard to believe, but the expanding frozen coolant can actually crack the engine block. The freeze plugs fit into the engine block. They fit tight enough to withstand the pressure of a running engine, but can expand or pop out if the coolant freezes. These little things save a lot of engine blocks.

That brings up a good point. An engine has to work in all kinds of temperatures – extremely hot as well as very cold. How does the cooling system adapt to external temperatures as well as varying operating conditions?

Well, it’s much like the way you keep your house at a comfortable temperature all year round – with a thermostat. The thermostat in your car controls how much coolant flows through your engine. When the engine is cold, it restricts coolant flow until the engine comes up to an efficient operating temperature. Then it starts opening up to move more coolant to keep the temperature within a specified range.

The thermostat needs to be replaced from time to time as well. It’s easy to diagnose a failed thermostat and is fairly inexpensive to replace. We can do this for you at Olson Tire and Auto Service, Inc. in Wausau, just give us a call: 715-845-8473. Now we’ve been talking about all this heat we’ve got to get rid of, but haven’t really talked about where it goes. That’s where the radiator comes in. The hot coolant passes through the radiator. Air flows past the cooling fins and cools the coolant.

The radiator has two tanks that hold coolant: sometimes one the top and bottom or one on either side. If you have an automatic transmission, one of the tanks will also contain a second tank that cools the transmission fluid. Large SUV’s and trucks often have a separate transmission cooler. So when you drive around Wausau, the air is forced past the radiator. But driving doesn’t produce enough air flow. So the radiator has cooling fans that force fresh air over the radiator. These fans may be powered by a belt or by electric motors.

Now, you also have something called a heater core. The heater core is like a mini radiator. A small fan blows air over the heater core and into the passenger compartment of your vehicle. That’s how you warm your car when it’s cold out.

Next is the radiator cap. With most newer cars around Wausau, you never remove the radiator cap, except to replace it. You add coolant through the overflow tank. The radiator cap is also called a pressure cap, because its job is to maintain pressure in the cooling system.

High pressure raises the boiling point of the coolant, so it cools more effectively even in very demanding conditions. That is why you need to replace the cap from time to time. They recommend changing it out every time you replace your coolant.

Coming back to the overflow tank, it is needed because when the coolant gets hot it expands and the overflow holds the extra volume. The tank helps maintain the proper level of coolant and keeps air out of the system. You should never open the radiator cap or over flow tank when the engine is hot. This could lead to serious burns.

What else do we need to do to keep our cooling systems working well? Well, there are the hoses that hook all of these pieces together. They’re obviously very tough to deal with the pressure and high temperatures. But they do get worn. Sometimes they get spongy from the heat. Sometimes they lose their connection to the radiator, water pump, etc. It’s a great idea to have your Wausau service center inspect your hoses at least once a year and replace them, if needed, before they break.

Olson Tire and Auto Service, Inc. can help you check your cooling system and make any necessary adjustments or repairs. Give us a call at 715-845-8473.




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If you’re a quart low in your sedan, there isn’t enough motor oil to lubricate your engine properly. The extra friction causes drag that reduces fuel economy while you’re driving around the Wausau area.

Clean Oil for your sedan The same goes for dirty oil; it doesn’t reduce friction properly. The result is you get to watch those numbers at your local Wausau gas pump rolling higher and higher.

The transmission also needs the proper amount of clean fluid to do its work. When it’s in need of service, the transmission drags your fuel economy down.

So keep it clean and give yourself a fighting chance.

Olson Tire and Auto Service, Inc.
601 Forest Street
Wausau, WI 54403
715-845-8473




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Some Wausau motorists are confused by Olson Tire and Auto Service, Inc. charges for diagnostic services for a vehicle repair. Many services at Olson Tire and Auto Service, Inc. and other Wausau automotive repair shops include diagnostic fees.

When you take your laptop into a Wausau computer repair shop for a problem you’ll likely have to leave a deposit for diagnostics. When we visit our Wausau doctor for a medical problem, we’re paying him to diagnose our ailment and of course for the tests that go along with it.

On Board Diagnostics For Wausau Motorists

So receiving a diagnostic charge at Olson Tire and Auto Service, Inc. for a tricky automotive problem shouldn’t be a surprise. In the Wausau area, automotive diagnostics can cover quite a range. If you hear a noise in your sedan brakes when you slow down in rush-hour traffic on a busy WI expressway, you pull off the next off-ramp and take a quick visual check. That is usually enough to know what needs to be done. If you’re having an intermittent problem with your sedan engine, Olson Tire and Auto Service, Inc. diagnosis may be much more involved.

Much of the Wausau public’s confusion comes when the problem involves the check engine light. The check engine light comes on when the engine management computer has sensed a problem.

There’s a common misconception among Wausau, Schofield, and Rib Mountain drivers that the trouble code tells the Olson Tire and Auto Service, Inc. technician exactly what’s wrong. Why then is there a diagnostic charge, the scanner just gave the diagnosis?

Reality is more involved than that. The computer monitors many sensors throughout the vehicle. When one of these sensors has a reading that’s out of parameters, the computer will record a trouble code and turn on the check engine light.

The sedan computer’s trouble code just tells the Olson Tire and Auto Service, Inc. technician what engine parameter is out of range – not what’s causing it. The technician needs to determine the underlying problem that’s causing the symptom.

There are many problems that could cause a troublesome sensor reading for Olson Tire and Auto Service, Inc. Wausau customers. The Olson Tire and Auto Service, Inc. technician makes a list of the most likely causes and begins tracking down the source of the problem.

Wausau service centers subscribe to databases that document possible causes for a given trouble code. They outline procedures for confirming a diagnosis and provide the documented fix. These databases are specific to each vehicle and engine combination.

Some diagnoses are quick and easy. Others are more involved and difficult. Of course Olson Tire and Auto Service, Inc. wants to figure out what’s wrong with your sedan and get you back on the road as quickly as possible.




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Welcome to the Olson Tire and Auto Service, Inc. blog. Today, let’s talk about the effect of tire tread depth on braking. When talking about stopping power, most of us Rib Mountain drivers tend to focus on our brakes. But our tires are where the rubber meets the road. So having good brakes isn’t enough. Safe Rib Mountain drivers need to have tires with enough traction to translate braking power into stopping power.

Olson Tire and Auto Service, Inc. Tire Safety Washington vs. LincolnLet’s focus on stopping in wet Rib Mountain conditions. In order for a tire to have good contact with the road, it has to move the water out of the way. If it can’t move the water, the tire will actually ride on top of a thin film of water.

That’s called hydroplaning. If it’s really bad, Rib Mountain drivers can actually spin out of control. At best, you won’t stop as fast.

So how does a tire move water? It has channels for water to flow through. Look at your sedan tire and you’ll see channels: channels that run around the tire and channels that flow across the tire. They’re designed to direct water away from the tire so it can contact the road better.

And the deeper the channel, the more water it can move. A brand new Olson Tire and Auto Service, Inc. tire has very deep channels and can easily move a lot of water. As the tire wears down, the channels become shallower and can move less water. When it wears down enough, it can seriously affect your ability to stop your sedan on wet Rib Mountain roads.

So that’s why it’s so important to replace our sedan tires when they get worn. Consumer Reports and other advocate groups call for a standard of 3/32 of an inch and they have the studies to prove it.

By comparison, you’ve probably seen the wear indicator that’s molded into tires. When tires are worn 3/32 of an inch, the tread wear bar is visible. So the recommended standard has twice the tread depth as a completely worn out sedan tire.

At Olson Tire and Auto Service, Inc., we want our customers to know that the deeper recommended tread depth makes a big difference. Stopping distances are cut dramatically on wet Rib Mountain roads. A safe stop from WI freeway speeds with 4/32 of an inch of tread would result in a crash with worn out tires.

There’s an easy way to tell when a tire’s worn to 4/32 of an inch. Just insert a quarter into the tread. Put it in upside down. If the tread doesn’t cover George Washington’s hairline, it’s time to replace your sedan tires. With a Canadian quarter, the tread should cover the numbers in the year stamp.

Many Rib Mountain car owners have heard of this technique using a penny and Abe Lincoln’s head. That measure gives you 2/32 of an inch – half the suggested amount. Of course, sedan tires are a big ticket item. Most of us in Rib Mountain want to get as many miles out of them as we can. But there’s a real safety trade-off. It’s your choice.


Apr 20

Call Olson Tire and Auto Service, Inc. to make an appointment to check your transmission in Wausau.
601 Forest Street
Wausau, WI 54403
715-845-8473

Do you have any plans around Wausau WI for the weekend? Maybe you and some friends and are taking the boat up to the lake. Maybe you’ll be having a lot of fun water skiing and doing a little fishing.

You got the boat all ready. It’s all gassed up. You packed lots of snacks and the cooler’s stocked – ready to go.

How about your tow vehicle? It has plenty of gas and you’ve even vacuumed it out, but is your auto maintenance up to date?

Stop and think. You’ll have some heavy traffic on your way out of town. Hilly terrain as you get to the lake. Some dirt roads – and it may be hot weather. And all the time you’re going to be towing around several thousand extra pounds.

That all adds up a lot of severe strain on your engine, brakes and transmission. Your transmission’s going to be working overtime, spending more time in lower gears. The internal transmission temperature is going to be much higher than normal. What’s a fun little blast to the lake for you is really severe duty for your transmission.

It’s important that you have enough transmission fluid. If you’re running low, the transmission will run to hot and won’t have the protection it needs to cope with the added stress of towing.

And if it’s time for a transmission service, you really should have it done at Olson Tire and Auto Service, Inc. before your trip. Transmission fluid breaks down and gets dirty over time. Whether you have an automatic or manual transmission, you need to have it serviced on schedule to make sure it runs efficiently.

Automatic transmissions contain a maze of passages that the fluid has to pass through to keep it shifting smoothly. If you neglect transmission service, the passages can get clogged up and you start to have problems. Neglect your transmission for too long, and it can fail. Believe us – you don’t want to pay for a major transmission repair.

You know, most of us in Wausau WI do a lot of our driving under severe conditions. Towing or hauling a big load is obvious, but there are lots of other things that constitute severe driving conditions. Things like short trips or driving in very hot or very cold weather. Also, dusty roads, city driving around Wausau, and basically any driving that’s not at highway speeds or under ideal conditions is severe driving. We all need to think about whether or not we need to follow the severe service schedule.

So, consider going in for a full service oil change before you leave for the lake to make sure everything has been looked at. Ask for a trip inspection while you’re at it. Your Wausau WI service technician at Olson Tire and Auto Service, Inc. can check your belts and hoses and let you know if your brakes are in good shape.

Don’t forget the sunscreen. And to thank your Wausau service technician, how about bringing him back a nice trout?


Apr 11

There are a surprising number of small, inexpensive parts that can lead to expensive engine damage when they fail. It doesn’t seem right.

Fortunately a lot of those things can be taken care of in routine maintenance. They may not be easy to remember, because it is a long list, but your service center at Olson Tire and Auto Service, Inc. can help you know what’s scheduled to be taken care of.

Some of us in Wausau WI really don’t look forward to going in for an oil change and then getting a list of the other things the manufacturer recommends.

But automotive maintenance is all about prevention, and addressing small problems before they get big. Let’s take the fuel filter for example.

You may not know this but the median age for private vehicles on our Wausau WI roads is over nine years. When cars get older, five years or so, they’ve accumulated a lot of dirt and rust in their gas tanks. If that dirt gets into the engine it can cause thousands of dollars worth of damage. So somewhere between that dirty gas tank and the price of a great vacation – is the lowly fuel filter: a very inexpensive part that doesn’t cost too much to replace. And your car’ll just run better too.

A clogged fuel filter can’t let enough fuel through. You might notice at first that your car is running fine around town, but struggles or sputters on the Wausau WI freeway or when you accelerate. Enough fuel can’t get through to meet the demands of higher speed. If it gets bad enough your engine might just shut off or not start at all, which could be dangerous.

Some fuel filters have a bypass. When they get clogged, they allow dirty fuel to move around the filter element so dirt ends up in the engine. We’ve already talked about how expensive that can be.

The fuel filter is even very important for newer cars. The fuel is still dirty even if there isn’t rust in the tank. It’s just that the fuel filter will need to be changed more frequently as the vehicle gets older.

How often should you change your fuel filter? Check your owner’s manual. Your Wausau WI service advisor at Olson Tire and Auto Service, Inc. can tell you as well. It’s usually around thirty thousand miles or so. Ask if it’s time for a full fuel system cleaning as well. They often go hand in hand.

It’s good to know that your Wausau WI service center has your back. When you’re motivated to maintain your vehicle’s performance and to reduce operating costs, you’ll think of Olson Tire and Auto Service, Inc. as your ally – and maybe even your memory.


Wausau Tire Repair

posted by admin
Apr 4

Most folks around Wausau have had a flat tire. You know it’s inconvenient and a pain. Our tires are important. Keeping them in good working order isn’t just a big safety issue – it also has a financial impact. With high gas prices, we’ve all heard about the importance of keeping proper tire pressure to save on gas. In addition, proper inflation promotes even tread wear so your tires last longer.

There’s another danger to under-inflated tires. Low tire pressure puts added stress on the structure of the tire itself, causing it to break down prematurely. Also, under-inflated tires generate more heat which also reduces tire life. So get those slow leaks fixed quickly – don’t just keep airing them up every few days. You want to avoid serious tire damage.

Tires can also be damaged by road hazards in and around Wausau. Punctures, cuts and impacts on curbs or potholes can also cause damage that could lead to tire failure. Sometimes, it’s something that a visual inspection would reveal. Take the opportunity to check your tires when you’re gassing up. Look for slashes, missing chunks, nails or screws in the tread or just uneven wear. Of course check the air pressure too.

Now tire damage can be on the inside where you can’t see it until it’s removed from the wheel. Such damage could come from a severe impact, driving on a flat or even just low pressure. Some punctures can cause internal damage that are too severe to be repaired. You may see our Olson Tire and Auto Service, Inc. professionals take the time to remove your flat from the rim and inspect the inside before repairing it, which means we’re just following good procedure.

Now some tires just can’t be repaired. A puncture may be too large to plug. Also, the puncture could be in a location that’s not safe to repair like in the sidewall or outer portion of the tread. So called run-flat tires should not be repaired because their design is such that internal damage can’t be detected by a visual inspection.

It is also important that repairs should only be done by a qualified tire specialist like the ones we have at Olson Tire and Auto Service, Inc.. You can buy self repair kits – save those for emergencies, like when you’re off-roading and need a quick fix so you can hobble back to civilization and get professional help. If you need to use a repair-in-a-can product, remember it’s a temporary measure only and your tire needs to be properly repaired as soon as possible.

Here are some other considerations: Repairing a flat may void your tire manufacturer’s warranty – just something to keep in mind. Also, if you repair a speed rated tire, you should not use it in any motorsports or operate it above legal speed limits. Your tire professional will repair your tire whenever it’s safe to do so and he’ll advise you when it’s better to replace it. So watch those curbs and keep the air – on the inside.

Olson Tire and Auto Service, Inc.
601 Forest Street, Wausau, WI 54403
715-845-8473




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Warm weather or cold, Wausau drivers still need to think about their sedan’s air conditioning. Most Wausau people don’t service their air conditioning until after it fails. At Olson Tire and Auto Service, Inc., we can advise you on your vehicle manufacturer’s preventive maintenance schedules for air conditioning service, just as we do for transmission service, oil changes and so on.

air conditioningMaintaining your air conditioning system means that you always have enough refrigerant to properly do the job. Small leaks in the sedan’s air conditioning system allow the refrigerant to escape and the system can’t cool the air as well. We see that a lot at Olson Tire and Auto Service, Inc. in Wausau.

The refrigerant also contains a special oil that lubricates air conditioning components, and keeps the seals resilient. Low refrigerant and lubricating oil means that the air conditioning parts will wear out prematurely, and all Wausau car owners know that air conditioning repairs can be costly. At Olson Tire and Auto Service, Inc., we recommended that the air conditioner be run regularly, even during winter months, to keep the parts and seals lubricated.

Corrosion is what leads to many air conditioning system failures for Wausau motorists. The small leaks mentioned earlier also mean that air and water can leak into the air conditioning system. This can lead to rust and dirt in the internal workings of the air conditioning components. This greatly accelerates wear and, ultimately, failure.

Air conditioning service at Olson Tire and Auto Service, Inc. starts with a visual inspection of the components for signs of damage or leaks. The compressor is driven by a belt from the engine, most often the serpentine belt, so it’s inspected for cracks or wear. The air conditioning compressor and other components are checked for proper operation. Then comes the leak test. If a leak is detected, often in a hose or connection, it’s repaired and the system is retested.

Then the old refrigerant is evacuated and the system is recharged with clean, fresh refrigerant. A final test insures that the sedan’s air conditioner is working, and you’re on your way.

How often this should be done varies from vehicle to vehicle. Your sedan owner’s manual will have the manufacturer’s recommendation and, of course, your Olson Tire and Auto Service, Inc. service advisor can tell you. It’s typically every two years.

If you’re not getting enough cool air you know something’s wrong. Also, if you hear strange sounds when you turn the air on, there might be a problem with the compressor and you should get it checked out at Olson Tire and Auto Service, Inc.. Replacing a bad A/C clutch in a sedan is cheaper than waiting for it to ruin the compressor.

Wausau drivers need to be aware that there’s one more thing that isn’t directly related to air conditioning service, but does impact the quality of the air in your sedan. And that’s your cabin air filter. This filter cleans dust, pollen, pollution and other impurities in the air that comes from the heater and air conditioner. The cabin air filter needs to be replaced when it’s dirty. If you don’t it’ll start to smell. Not all vehicles have one, so ask your Olson Tire and Auto Service, Inc. service advisor to check your cabin air filter at the same time they’re doing your air conditioning service.



The function of the fuel filter is pretty self-explanatory. It filters your fuel. The fuel filter is in the fuel line somewhere in between the fuel tank and the engine. Both gas and diesel vehicles around Wausau WI use fuel filters.

For more information about your fuel filter, visit Olson Tire and Auto Service, Inc. or come by our shop located at 601 Forest Street in Wausau, WI 54403.
Please call 715-845-8473 to make an appointment.

Generally speaking there’s not a lot of dirt in our Wausau WI auto fuel supply, but there is enough that you want to screen it out. The problem actually gets worse the older your vehicle becomes. That’s because dirt, rust and other contaminants will settle out of the fuel and onto the bottom of the fuel tank. After your sedan is five years or older, it can actually have a fair amount of sediment built up.

That just means that the fuel filter has to work harder as your sedan ages. It’ll get clogged sooner and need to be replaced more often.

A symptom of a clogged fuel filter is that the engine sputters at highway speeds or under hard acceleration. That’s because enough fuel is getting through around town, but when you need more fuel for speed, enough just can’t get through the filter. Obviously, that could be dangerous if your car or truck can’t get enough power to get you out of harm’s way.

For just that reason, fuel filters have a bypass valve. When the filter is severely clogged, some fuel can bypass the filter all together. Of course that means that dirty, unfiltered fuel is getting through to be burned in the engine.

This dirt can then clog and damage your fuel injectors. Now injectors are not cheap to replace, so you don’t want to cause them damage just because you didn’t spend a few bucks to replace a fuel filter.

You know, in a way, the fuel filter can be the poster child for preventive maintenance. It’s a little part, it’s simple and it’s cheap to take care of. But if it’s neglected, it could lead to thousands of dollars of repair bills.

Those auto service schedules in your owner’s manual are there for a reason. If ever you don’t understand a recommended service, just ask your Wausau service advisor at Olson Tire and Auto Service, Inc.. We’ll be happy to explain.



The government mandates a lot of equipment on cars in Wausau WI: emission devices and control computers, safety equipment like airbags and crash worthiness requirements. All of this is great for the Wausau WI motoring public, but it does add quite a bit to the price of a new car.

Because new cars are more expensive, people in the Wausau area are driving their old cars longer. The average car is now over nine years old. Two thirds of vehicles on the road in Wausau have more than 75,000 miles. As cars age, their performance drops, they have difficulty idling for long periods and are more sensitive to weather extremes. Fortunately today’s cars are up to the challenge – but they need a little help to keep on goin’.

Give Olson Tire and Auto Service, Inc. a call to schedule your next maintenance.
601 Forest Street
Wausau, WI 54403
715-845-8473

Some owner’s manuals don’t specify service requirements at higher mileage. That doesn’t mean it doesn’t have to be done. In fact, it’s more important than ever to stay on top of routine maintenance for cars with more than 75,000 miles.

First, just extend regular service intervals out: for instance a service that’s recommended every 15,000 miles should be performed at 15,000, 30,000, 45,000 and 60,000 miles, and so on. Because of the additional stress older engines experience, the severe service maintenance schedule is more appropriate than the regular schedule – ask your service advisor. Watch for leaks – seals and gaskets dry out over time and don’t hold the fluids as well as they used to.

It’s also time to make sure you have a good Wausau WI technician. There are some services and replacements that are scheduled after you put on some clicks, like timing belts, valve train adjustments, suspension, anti-lock brake service, air bags, etc. And unexpected repairs down the road are just par for the course. Check for unusual sounds, smells or the way your car feels. These could be hints that trouble’s brewing. Better to catch it early before it turns into a costly repair.

And a regular wash and wax will help maintain your car’s appearance. One of the things you can do to really help your high mileage vehicle is to begin using high mileage formulation fluids. There are special engine oils, coolants, and transmission and power steering fluids that are formulated for cars that have a few clicks on the old odometer.

High mileage oil is designed to condition seals and gaskets, reduce wear and avoid premature burn off. Older engines are dirtier inside – and dirty engines contaminate their oil faster. High mileage oil has special additives that clean the engine, removing sludge deposits over time. The result is less stress on the engine, better fuel economy and excellent wear protection.

Studies have even shown that using high mileage fluids early will actually prevent some of the problems of high mileage vehicles. So once you hit around 50,000 miles, consider stepping up to high mileage formulations. High mileage fluids cost a bit more than standard fluids because of the additional additives, but they can be worth their weight in gold in terms of preventing repair costs down the road. It does cost more to properly maintain a higher mileage vehicle – but it’s way cheaper than a new car payment!