Car Care Tips

Video Archives


Time for Differential Service at Leon's Car Care?
  Posted in the
Drive Train Category

Sep 10, 2017
2156852





Hello Eureka - let's talk differentials. If you have a rear-wheel drive vehicle, your differential is on the back axle. With front-wheel drive cars, the differential is up front. All-wheel drive and 4-wheel drive vehicles have three differentials - front, rear and in the middle. So you see, you've got a differential (or two or three) and it needs service now and then.

What does your vehicle differential do? Well, it compensates for the differences in speed between your outer and inner wheels in a turn. Using the dimensions of a typical car, let's compare the distance the wheels travel from the start of a turn through to the completion of the turn.

The inside wheel travels about 12.6 feet/3.8 meters. How much farther does the outside wheel travel? About 18.8 feet/5.7 meters – over 6 feet/1.9 meters more. This means the outer tire has to rotate 9 times in the same amount of time that the inner tire has to rotate only 6 times - so the outer tire has to spin faster in order to keep up. The differential makes this possible.

The gears in the differential are cooled and lubricated by differential fluid. It's this fluid that needs to be serviced. Small bits of the gears break off and are suspended in the differential fluid. The dirtier the fluid, the faster the gears wear.

So your Leon's Car Care technician drains the old fluid out and replaces it with fresh fluid. Some differentials also need a special additive that is put in at this time.

So when should you have your vehicle differential serviced? Intervals vary from vehicle to vehicle – and may be as short as 15,000 miles/24,000 km – so check your vehicle owner's manual or ask us at Leon's Car Care. If you frequently drive with heavy loads, tow a trailer or drive in hot California conditions, you may need to change differential fluid more often. Servicing your differential on schedule at Leon's Car Care can save a pricey replacement down the road.

Give us a call.

Leon's Car Care
929 Broadway St.
Eureka, California 95501
707-444-9636
http://www.leons-carcare.com/


Eureka Drivers: What Is the Risk of High Oil Change Intervals?
  Posted in the
Fluids Category

Sep 05, 2017
2152729

Eureka residents may have heard that vehicles don't need their oil changed as often as they used to. That's true. But it's not the whole story.

Owing to improved engine technology and higher oil quality, most newer vehicles can go longer between oil changes than their older counterparts.

So what is a good time interval for oil changes? How do Eureka residents know when to change it? And why do we change it in the first place?

Oil lubricates a vehicle's engine, which protects it from friction damage. Over time the oil can collect dirt and contaminants that inhibit its performance. But dirty oil isn't the only problem for Eureka residents. What you really want to avoid is called oil sludge.

Oil sludge is caused by moisture in the oil and by hot spots in your engine that burn off oil. This sludge is a gooey gel that can clog engine passageways, which can block lubricants from reaching vital engine parts. The result can be engine wear or even engine failure.

Sludge forms rapidly in an engine that is driven under what are termed “severe conditions.” A vehicle's owner's manual includes recommendations for oil change intervals under both normal and severe conditions. Severe conditions include towing a trailer, driving in polluted or dusty California conditions, hauling heavy loads or using a car top carrier. Also, extremes in climate such as very hot or very cold temperatures constitute severe conditions for Eureka drivers.

Eureka residents may be tempted to overlook the severe conditions preventive maintenance schedule in their 's owner's manual because of the word “severe.” But consider this: the most common form of severe conditions is stop-and-go driving, or only driving your vehicle on short trips around Eureka.

When a vehicle only makes trips under four miles/six kilometers, or under 10 miles/16 kilometers in freezing conditions, the engine doesn't get warm enough for condensation in the oil to evaporate. The result? You get oil sludge build-up. If your driving patterns are the same as any of the conditions that count as severe, you should be changing your oil more frequently under the severe conditions schedule. 

The team at Leon's Car Care in Eureka can help you understand what type of oil to use in your vehicle and how it can affect your oil change schedule. Some vehicles are filled with synthetic or synthetic-blend oil at the factory. The owner's manual will recommend that this oil continue to be used in the vehicle, and oil change intervals will be based on this type of oil.

Also, if your vehicle uses conventional oil, but you have some of those severe driving habits we talked about, you can switch to a premium-grade oil to give your vehicle extra protection. The answer to why we change our oil is fairly simple: to protect our engines and make our vehicles last longer and run better. But the answer to how often to change our oil is more complex: it depends on our vehicle, our driving habits, where we live in California and what kind of oil we use.

When it comes to oil changes, a little information can go a long way to helping Eureka residents save money and extend the life of their vehicles. Stay safe, and stay on the road.

Leon's Car Care
929 Broadway St.
Eureka, California 95501
707-444-9636
http://www.leons-carcare.com/


Maintaining Your Diesel in Eureka
  Posted in the
Fuel System Category

Aug 30, 2017
2145047





Diesel engines have been used extensively in Europe and Asia for many years. They haven't been as common in the Eureka area because of the high sulfur content in our diesel fuel. But the government is now mandating lower sulfur content and, as a result, we are going to see more Eureka diesel-fueled vehicles on the road, especially in passenger cars and SUV's.

Diesels are popular in California because they get better fuel economy than gas-powered engines. They also last longer. Modern diesel engines are quiet and powerful. And if you associate diesel engines with black smoke, then you're not up with the times. That smoke is a thing of the past.

Diesels don't produce any more pollutants than gasoline engines. The pollution standards for diesel-powered vehicles are as strict in California as for other vehicles.

Also, diesel engines can run on bio-diesel fuels as well as fossil fuels. Diesel fuel can be produced from vegetable oil or from cellulosic waste like wood chips and sawdust. In California, we may soon see bio-diesel produced from algae. These fuel sources will lessen Eureka drivers dependence on fossil fuels and may even become truly renewable and sustainable.

Diesel-powered vehicles also perform as well as other passenger vehicles. Most people don't notice a difference in driving one or the other. If you haul heavy loads or tow a trailer around California, however, the diesel is a definite improvement.

So, you may be asking, if diesels are so great, why don't all Eureka people drive them? Surely there are disadvantages you haven't told me about. That's true. Diesel engines are heavier than gas engines, and they cost more in California. The better fuel economy of the diesel engine is partially offset by the higher purchase price.

Because of higher fuel prices, diesel engines used to be more expensive to drive in Eureka. But now, with higher volatility in the prices of both gasoline and diesel fuel in California, that cost difference is less definitive. Whether a diesel or gas engine is more expensive for California drivers depends now on the current price of fuel and how far you drive.

Consider also that diesel-powered vehicles have a high resale value in the Eureka area, and the costs of owning and operating a diesel vs. a gas-powered vehicle in California becomes a real toss-up.

Preventive auto maintenance for diesel vehicles has also become similar to that of gas-fueled vehicles in recent years. The major difference is that diesels require cleaner fuel, air and oil, so their filters are more expensive than those for gasoline engines. The engine air filter must be changed more frequently as well.

The costs for car care and repairs in Eureka are similar. You may be thinking, wait:  You just told me that filters are more and have to be changed more regularly. True, but that is offset by the fact that diesel engines have a much longer lifetime than gasoline engines. So if you are the type of owner who prefers to hang on to a vehicle for a long time, you will be more than rewarded with a diesel engine.

So if you have been looking for Eureka auto advice on whether to switch to a diesel vehicle or stay with a gas-powered one, then we hope this helps. The answer as to which type of vehicle is better is that it depends on the driver and their driving habits. Now that you know the facts, you can make an informed choice based on your own priorities and needs.

 Leon's Car Care
929 Broadway St.
Eureka, California 95501
707-444-9636
http://www.leons-carcare.com/


The Maintenance Free Myth
  Posted in the
Maintenance Category

Aug 22, 2017
2136461





Sometimes we hear people in Eureka 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 Eureka 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 California 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 California safety inspection to renew his registration. At the Eureka 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 Eureka drivers: don't skip your annual inspections. The irony is that many Eureka 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 Leon's Car Care in Eureka 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 California. 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 Leon's Car Care in Eureka for an inspection. Take care of unperformed routine maintenance sooner rather than later.

Leon's Car Care
929 Broadway St.
Eureka, California 95501
707-444-9636
http://www.leons-carcare.com/


Automotive Tips from Leon's Car Care: Battery Testing
  Posted in the
Battery Category

Aug 17, 2017
2126428

The simple fact is that 70% of car batteries fail within 4 years. They just need to be replaced at Leon's Car Care when they are no longer able to hold a full charge.

Batteries are a big ticket item for most Eureka drivers and it’s tempting to put off buying a new one as long as possible. But a battery that cannot hold a full charge requires the alternator to work extra hard, causing it to wear out prematurely.

Your Leon's Car Care service advisor can test your battery to see if it should be replaced. Testing is a good idea for California drivers because a battery might still be good, but become dead because of a bad alternator or even a worn serpentine belt and tensioner.

Leon's Car Care
929 Broadway St.
Eureka, California 95501
707-444-9636
http://www.leons-carcare.com/

 

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