AUTONET TV

Make Your Battery Last

Today's report from Bauer Auto Service is on vehicle batteries, why they die and what we can do to lengthen their life. Most of us have had a dead battery at one time or another. In fact, it would be very unusual if you hadn't. You may be surprised to learn that only 30 percent of Cold Spring vehicle batteries last for 48 months.

Now that's an average. How long a battery lasts depends on many factors. You may not know that one of the biggest factors is the temperature where you live and drive around in MN. You might suppose that cold weather was harder on batteries because it takes more power to crank a cold engine, but the opposite is actually true.

For more information on your battery, please visit us:
Bauer Auto Service
14455 State Hwy 23
Cold Spring, MN 56320
320-685-8846

Batteries in very cold climates have a life expectancy of 51 months as opposed to 30 months in very warm climates. The reason is simple: batteries are chemically more active when they're hot than when they're cold.

A vehicle battery will actually start to discharge on its own within 24 hours in hot weather. It takes several days in cold weather. When batteries are left too long in a state of partial discharge, the discharged portion of the battery plates — for the lack of a better word — 'die.' Recharging the battery will not restore the dead part of the battery plate.

One of the big problems for the way most of us drive in the Cold Spring area is that our batteries are often partially discharged. The biggest job the battery does is to start the vehicle. It takes some time for the alternator to recharge the battery after starting. If you're driving short distances, especially if there are several starts and stops, your battery may not fully recharge.

Another issue is that vehicles are coming equipped with more and more electricity-hungry accessories like navigation systems, DVD players, CD and MP3 players, heated seats, heated steering wheels and so on. And we often plug in cell phones, computers and other gadgets. Combine that with short trips and it's no wonder that our batteries are partially discharged.

Experts say we can extend our battery life by topping off the charge periodically using a good quality battery charger. You may have heard these chargers referred to as 'trickle chargers.' They're attached to the battery and plugged into a wall outlet to slowly bring the battery up to full charge.

Now, there's some science involved with how fast a battery should be recharged. If you buy a cheap manual charger, you'll have to tend it. Frankly there is a learning curve on how to do it right and it requires much attention. A computer controlled charger – or smart charger – monitors the process and determines the appropriate rate of charge. And it even stops charging when it's fully charged. It costs more than the manual charger, but the automatic model is worth it.

The suggestion is to charge once a month in warm weather and once every three months in cold weather.

Another thing to avoid is deeply discharging your battery, something like running the headlights and stereo with the engine turned off. That'll take months off the battery life every time you do it.

Now, as we discussed, heat is hard on a battery. A dirty, greasy battery holds more heat. You can wipe off excess dirt with a paper towel or ask your service advisor at Bauer Auto Service to clean it for you. We can even test your battery and tell you if it's time to replace it.

Batteries are fairly expensive, so taking a few steps to make them last longer is well worth it. Of course, the battery will eventually need to be replaced. Always make sure you get a new battery that meets the factory specifications for your vehicle. If you feel you need more battery capacity than what came with your vehicle, talk with your service advisor at Bauer Auto Service about appropriate upgrades.

If you have a dead battery, be careful to inspect it before you jump start it. If the case is bulging, cracked or leaking, do not jump start it. Damaged batteries can explode or catch fire. And deeply discharged batteries can freeze. Do not jump start a frozen battery.

Bauer Auto Service
14455 State Hwy 23
Cold Spring, MN 56320
320-685-8846

Tire Maintenance in Cold Spring

With the recent focus in the Cold Spring area on improving fuel economy, we've been told how important it is to maintain our tire pressure.

Cold Spring drivers know that tires wear out, but we want to make them last as long as possible because they're not cheap to replace. In addition to saving gas, properly inflated tires last longer. Underinflated tires will wear out more quickly.

Some people in Cold Spring wonder if they should add a few extra pounds of pressure when they fill up their tires. Bad idea. In fact, there are very good reasons not to overinflate your tires. For one, the middle of the tread will wear unevenly because the full tread is not contacting the road properly. That also adversely affects your handling.

Stop by Bauer Auto Service to see about tire maintenance for your vehicle.

Bauer Auto Service
14455 State Hwy 23
Cold Spring, MN 56320
320-685-8846

Every vehicle in the Cold Spring area has a sticker on the driver's side door jamb that tells you the vehicle manufacture's recommended tire pressure. This recommendation is an integral part of the vehicle's suspension tuning. A lot of engineering actually goes into the recommended tire pressure, so it's important for drivers to follow it.

What else do Cold Spring drivers need to know about tire maintenance? Tire rotation and balancing are very important. Let's start with rotation. Because the front tires handle the brunt of turning forces, the shoulders of the front tires wear more quickly than the rear tires. At Bauer Auto Service in Cold Spring, we rotate the tires so that they all get to do some duty on the front, and they'll all wear evenly over their live.

For most vehicles, front tires are rotated to the rear and vice versa. Others recommend a cross rotational pattern. Some vehicles use an asymmetrical tire so those tires need to stay on either the right or left side – it'll say which on the tire. Some high performance cars have asymmetrical tires and different sizes on the front and rear. These can't be rotated at all. Your owner's manual will have details for your vehicle or ask your service advisor at Bauer Auto Service.

How often should people near Cold Spring rotate their tires? Your owner's manual will have a recommendation. Your technician at Bauer Auto Service in Cold Spring can do a visual inspection to let you know if it looks like it should be done. The interval is typically around 5,000 miles/8,000 km.

You know, some people don't think new tires need to be balanced. What they aren't taking into account is the wheel. Between the wheel and the tire – even a new tire – there's enough variation to require balancing.

When you add the valve stem and tire pressure monitoring sensors required on new cars, balancing is definitely important. When a tire's out of balance, it's actually hopping down the road. Cold Spring vehicles with tires out of balance will feel the vibration through the steering wheel if a front tire's out of balance and through the seat if it's a rear tire.

Proper wheel balance promotes tire life and increases safety for Cold Spring drivers and their passengers. Historically, lead weights have been attached to the wheel to bring it into balance. Lead gives some environmental concern, so steel weights are starting to be substituted. 

The team at Bauer Auto Service also wants to remind you that it is important to always use the same size tire on an axle. Different size tires on the front or on the back can lead to some real handling problems. And tire manufacturers recommend that when you get two new tires, they be installed on the rear because that's where you need the most traction to avoid spinning out.