Warm weather or cold, St. Peter drivers still need to think about their vehicle’s air conditioning. Most St. Peter people don’t service their air conditioning until after it fails. At Autotronics of St. Peter, we can advise you on your vehicle manufacturers preventive maintenance schedules for air conditioning service, just as we do for transmission service, oil changes and so on.

Maintaining your air conditioning system means that you always have enough refrigerant to properly do the job. Small leaks in the vehicle’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 Autotronics of St. Peter in St. Peter.

The refrigerant also contains 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 St. Peter vehicle owners know that air conditioning repairs can be costly. At Autotronics of St. Peter, we recommended that the air conditioner be run regularly, even during winter months, to keep the parts and seals lubricated.

St. Peter 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 vehicle. And that’s your cabin air filter. This filter cleans dust, pollen, pollution and other impurities in the air that come 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 Autotronics of St. Peter service advisor to check your cabin air filter at the same time they’re doing your air conditioning service.

Autotronics of St. Peter
111 Jefferson Avenue
St. Peter, MN 56082
507.934.9290
http://autotronicsstpeter.com

Sometimes we hear people in St. Peter say, “What’s up with all this maintenance stuff? Modern cars just don’t break down.” While it is true that today’s vehicles are extremely reliable, they are also becoming increasingly complicated and use more exotic materials than ever before. All that complexity demands higher tolerances for everything. For example, most St. Peter drivers don’t realize how high tech automotive fluids have become,  fluids such as engine oil, transmission fluid, coolant and brake fluid.

Did you know that a modern engine would not run for more than a few months using motor oil formulas from 30 years ago? Today’s automotive fluids contain a much higher percentage of additives to protect your vehicle’s components from premature wear and corrosion. Time and distances march on for all of our cars. Please don’t think we’re using scare tactics to get you to take care of your maintenance – but here are some personal stories we’ve heard to emphasize and show how important it is to get things done when they are due. Names are withheld to avoid embarrassment to those who should know better. Even though they should know better, it usually comes down to real life: time and money. But they are tales of a stitch in time saves nine.

The first comes from someone who bought a used pick-up truck for his son. The oil was clean and all the fluids were topped off. A short time later, the truck overheated on a highway in MN and shut down. The repair shop diagnosed the problem: the radiator pan was corroded and dumped the coolant. Even though the coolant level was correct, it was clear that the coolant had never been completely replaced – just topped off from time to time. While this kept the engine cool, all of the anti-corrosion additives had worn out; the coolant became acidic and ate through the radiator pan. The cost: hundreds of dollars and four days in the shop. This demonstrates the need to get your coolant exchanged on schedule.

Another story involves the true cost of skipping an annual inspection. This guy took his SUV in for the MN safety inspection to renew his registration. At the St. Peter inspection station, he learned that the law had changed and that his newer rig only required an inspection every two years. He was very happy to save the money. The problem was, his rear brake pads were very worn. Two months later, it was bad enough that he could hear the grind – over the radio, DVD player and the kids. He took it in to get the bad news. Both of the rear brake rotors were damaged. The left one could be resurfaced. The right had to be replaced. So saving a little on his safety inspection turned into an extra $500 over what brake pad replacement would have been. Moral of the story for St. Peter drivers: don’t skip your annual inspections. The irony is that many St. Peter service centers would have done a brake inspection for free.

Next: a teenage daughter and a curb. Daddy’s little princess smacked a curb when she turned into a shopping center and popped the tire. The problem came when Dad didn’t get an alignment. The impact was hard enough to ruin the tire – so it was enough wreck the alignment. But instead of an alignment after the first tire, Papa ended up buying a second tire a few months later – and then an alignment.

Situation: son and wife with cars from the same vehicle manufacturer with essentially the same engine. Our staffer checked the son’s maintenance schedule and saw that it needed a timing belt replacement at 90,000 miles/145,000 km. He had it done – it cost several hundred dollars. His wife’s car had about 60,000 miles/97,000 km, so it should be ok for a while. Right? Wrong. The problem was that the wife had the turbo charged version. Its belt was scheduled for replacement at 60,000 mi/97,000 km. At 63,000 mi./101,000 km, the belt snapped on the interstate. The valves all crashed down into the cylinders at high speed, the entire head was shredded and it had to be replaced. The cost: several thousand dollars. Does he wish he had checked the vehicle manufacturer’s maintenance schedule? You bet he does – every time he passes a big-screen TV.

The team at Autotronics of St. Peter in St. Peter recommends taking care of little things before they become big things. And when you take care of the little things, you can make your car run better.  Plus, it is more economical to operate in MN. Remember to save those maintenance records. It’ll show potential buyers that you’ve taken care of your vehicle and it will help you get a better price. Or when you buy a used car, check those records. If there aren’t any, assume that the maintenance hasn’t been done and take it to Autotronics of St. Peter in St. Peter for an inspection. Take care of unperformed routine maintenance sooner rather than later.

Autotronics of St. Peter
111 Jefferson Avenue
St. Peter, MN 56082
507.934.9290
http://autotronicsstpeter.com

Today, Autotronics of St. Peter is writing about the proper fluids for your vehicle. It’s become more complicated with changes in automotive design and manufacturing. It’s not that people in St. Peter are confused as much as they don’t realize how much things have changed in recent years.

If you have questions about the fluids in your vehicle, please don’t hesitate to stop by Autotronics of St. Peter. You can find us on 111 Jefferson Avenue in St. Peter, MN 56082.
Just give us a call at 507.934.9290.

Let’s take engine oil. Twenty or 30 years ago, there were just a handful of different weights of oil. The weight of an oil is a scientific measure of its properties, particularly its viscosity or thickness.

It was common in those days to use a lighter weight oil in the winter when it’s cold outside. That way the oil would be able to splash around inside the engine and protect the parts before it was fully warmed up. And a heavier weight oil would be used in the summer. The thicker oil wouldn’t thin out too much in the summer heat and vaporize in the engine.

Modern valve trains have become very complicated with more moving parts and small passages than ever before. The valve train is in the top of the engine, so when the vehicle has been turned off for a while, the oil tends to run down to lower areas.  That means the valve train parts are vulnerable at start-up, before the oil starts circulating.

So new weights of oil have been introduced to meet the engineering specifications of these newer engines.

Manufacturers are recommending specific weights of oil. The recommendation is often printed on the oil fill cap. It’s certainly in the owner’s manual. Of course, Autotronics of St. Peter in St. Peter can look it up for you.

It’s more important than ever to have the correct weight of oil. The wrong weight could actually harm the engine.

Other fluids are also becoming more sophisticated. In the last few years new types of transmission, power brake fluid and coolant have all been introduced for some of the same reasons as for engine oil.

In addition, vehicle manufacturers are now using a wider variety of materials in these systems. Looking at the cooling system as an example, it used to be that the parts were all made out of steel or iron and the hoses were rubber. Now, some parts are plastic, aluminum or other materials.

So the anti-corrosion additives contained in the coolant, or anti-freeze, need to be different in order to protect the different materials used to make the cooling system. If you use the wrong coolant that wasn’t formulated to protect your plastic cooling system parts, they could become corroded and fail. And if you’re using the wrong coolant, your cooling system won’t be covered under warranty. So it’s important to use the right coolant and to not mix different types.

Your owner’s manual or service advisor at Autotronics of St. Peter can make sure you’re using the right type. You may have heard of universal coolant. Universal, or global, coolant can be added to other types without harmful reactions. That’s OK for an emergency top off, but following your manufacturer’s recommendation for your vehicle or other auto type is always a safe bet.

In the area of brake fluid, there are a couple of new formulations. It’s important to remember that the new ones aren’t better than the old ones. They’re just different formulations for different vehicles. So if your vehicle calls for DOT 3, using DOT 4 or DOT 5 is not an upgrade. Use the recommended formula.

There are fluid formulations for vehicles with higher mileage. These are special engine oil, transmission fluid and so on that contain additives to condition and restore seals and gaskets in older engines.

They’re fine to use as long as they’re a variant of the proper fluid. In other words you can use a high mileage engine oil as long as it’s also the correct weight recommended by the manufacturer. Same goes for transmission fluid; as long as it’s the right type for your transmission.

Autotronics of St. Peter
111 Jefferson Avenue
St. Peter, MN 56082
507.934.9290
http://autotronicsstpeter.com