Can Low Tire Pressure Wear Out My Engine Faster?

Susan from Bridgeport, CT asked us just before Thanksgiving if driving with low tire pressure could harm her vehicle.

Susan, most people drive around with under inflated tires. We’re reminded of this by environmentalists and conservationists concerned about the hit this causes to gas mileage. Barack Obama even mentioned properly inflated tires as a method to reduce our dependence on foreign oil during his first presidential campaign. That got mixed reviews.

To answer your question is technically “Yes.” Driving with proper tire pressure can give you longer engine life. We’ll look at it logically. The “easier” you are on a car, the longer it lasts. If your tires are under inflated, we know you burn more fuel. The reason is that your engine has to work harder to move your car. Working harder strains the engine.

For this to make any practical difference in engine life though, you would essentially have to drive on flats for extended periods of time. We urge you to not let this happen, and recommend you always fill your tires to the levels specified by your vehicle manufacturer to get better gas mileage… and nothing else.

Thanks for the question, Susan.

If you have a question you would like one of our writers to answer, send an email to blog@123lme.com.

If you need an engine we sell used engines and remanufactured engines. For a fast free quote, please call us at 800-709-9233.

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I was just informed that my favorite vehicle, our Jeep Grand Cherokee, is dead. The water pump has “gone”; engine bad. ~What do I do now?

This question was asked on Twitter. The answer isn’t cut and dried.

First of all, you need to make sure your engine is bad. If the driver kept going after the pump went bad and the thermostat indicated overheating, then the engine will require replacement.

If the vehicle was stopped immediately, you could try replacing the water pump.

If you determine you need an engine, I would recommend contacting our company, Low Mileage Engines. We sell used engines with an excellent warranty and can deliver to the mechanic of your choice. We also offer excellent remanufactured Jeep engines with great pricing.

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Happy Thanksgiving. Here are some pre trip maintenance tips.

We’re very thankful for what has been a strong year for our company. Low Mileage Engines has been able to serve more customers this year than any year before, and in this economy, that makes us very thankful!

Here are a few tips that will help you make sure your car doesn’t go down before you head out of town! These things should be done well before you get on the road!

  1. Check your oil level. You don’t want to overfill your oil, just have it slightly below the “full” indicator on the dipstick. If you need an oil change as determined by your owners manual, get one today!
  2. Check the coolant level in your vehicle. Make sure the vehicle has been off overnight before doing this! For most vehicles, this means you should just check your coolant reservoir. If your vehicle is low on coolant, you need to add more, and figure out what is causing it to be low! Remember, your radiator is what keeps your engine from getting hot and “blowing up.” It must work properly. Period.
  3. Check your tire pressure and tire wear. The owners manual of your vehicle recommends tire pressure that will give you the most comfortable ride. If you want better gas mileage, add 5psi above what is in the manual.
  4. Check your brake fluid (this should be flushed every two years).
  5. Check your air filter. This should be replaced one a year or every 12,000 miles. More engines wear out due to dirty air filters than dirty oil filters, and a dirty air filter can destroy your gas mileage. Since gas isn’t cheap, we think $10.00 for a good filter makes sense.
  6. Check your transmission fluid. For most vehicles, you should run the car for five minutes before checking transmission fluid, so do this last.

We hope this list helps. Sadly, we know that our phones will be busy on Monday morning, because vehicles are machines made by people and they break down. If you need an engine, we’re very sorry for that – but we’d like to help. Give us a call at( 800) 709-9233, and we’ll be glad to help.

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Why We Don’t Advertise “Cheap Engines for Sale”

Low Mileage Engines LLC is one of the premier sources for used engines in the United States. We advertise a lot of the benefits you get when you deal with us – free shipping to businesses, 1 year unlimited mile parts warranty, a free CARFAX to verify mileage on engines from US vehicles, and our commitment to excellence.

What you will never see us do, under any circumstances, is advertise “Cheap engines for sale.” Why? To folks who care about quality, “cheap” is a misleading, arbitrary term with a lot of implications that we just don’t like.

No matter what type of used engine you have and no matter who you buy from, any used engine you consider purchasing will have been made by the same company – the original manufacturer of the engine. Your replacement engine will have been made by the company that made the engine you’re replacing. A 2005 Liberty Jeep engine will only be made by a Jeep authorized company.

Why do I bring this up? You need to consider what causes price differences between companies. Folks who sell used engines source products come from the same place – vehicles that have gone through insurance salvage auctions. Manufacturing quality isn’t the issue determining price. There are other very important issues affecting price.

The first is the company’s ability to stand behind their warranty. At Low Mileage Engines, we pride ourselves in having one of the strongest warranties in the nation, and we stand behind it! We’ve found that many companies advertising “Cheap” engines have a hard time standing behind their warranty – they can’t afford to, because they’re broke!

The second issue that affects price is condition of the engine. While all used engines that will work for an application share a common ancestry, their histories can be radically different. I understand why customers find buying an engine for $500 less from one of my competitors alluring. But when our engine has lower miles that are CARFAX verified and isn’t out of a flood vehicle, we’re by far the better value. What is the better value: $1800 for an engine with unverified that sat half submerged in a pond for six hours, or $2300 for an engine that CARFAX certifies not to have any flood reports with verified mileage? Of course, the second option is best because you know what you’re getting.

Engines are priced as cheap engines when they don’t offer much value. The truth of the matter is that normally there isn’t much difference in price between a “cheap” engine and a good used engine. You might save $100, $200, etc up front on your purchase if you buy the cheap option, but you stand to lose a lot of money in the long run. Having to install more than one engine is expensive, and many times we sell to customers who bought from our competition to save $200 – only to come back to us later when they get a bad engine from someone else.

If you need a used engine, we would love to quote you. You can reach us at (800) 709-9233.

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What You Need to Know When Buying an Infiniti Engine

Several years ago I sold a 3.5L engine for an Infiniti G35 to a very nice man from Mississippi. This man was buying the engine for his wife, who loved the car. As far as stories go, I have plenty of them having been in this industry for the number of years that I have, but this story sticks out. It sticks out because Infiniti engines rarely fail – and they seem to never fail on when nearly new.

“I got the car for her, and just figured she would maintain it,” the husband explained to me. “But she never changed the oil, and it’s like silly putty in the oil pan.”

We had several low mileage engines for sale at the time and sent them the nicest one we had (the car was a 2003 Infiniti G35). As far as we know, they are still driving their G35 to this day.

This family spent thousands of dollars they wouldn’t have had to had they originally maintained their vehicle. It isn’t uncommon for us to encounter this since we sell engines.

There is, however, another side to this coin.

We sell a lot of engines to families who meticulously maintain their vehicles. Sometimes their engine has failed because they’ve just worn it out. There really isn’t any way around this type of failure, since you can’t change the design of an engine you own. The only thing you can control is how you drive in a case like that (read: not like a bat out of Hell).

There can be external factors that cause engine failure.

If you drive an Infiniti, be glad that your vehicle does not use a timing belt, but a timing chain. This is one of the greatest points of maintenance overlook for many vehicles, but you don’t have to deal with it. However, you must make sure to replace your water pump. This is one of the most common things I see destroy Infiniti engines. Why? Though lack of timing belt replacement causes a lot of engines to fail, most people do eventually change their timing belt (maybe not on schedule, but they have it done). Most shops worth their salt are going to recommend a water pump replacement at the time of that timing belt replacement, since when you replace a timing belt, you’ve done 90% of the work of replacing the water pump. As the owner of a vehicle with a timing chain that doesn’t require replacement as part of normal maintenance, you have to make sure to replace your water pump. If you don’t, and it fails, you could easily overheat your engine and destroy it. When that happens, you’ll have to call us.

Overheating isn’t just caused by failed water pumps.  You have to make sure that you maintain your overall cooling system. The best way to do this is to have a complete coolant flush and replacement every two years. To actually flush all the fluid, which is what you want, you will need to find a shop that has a special machine to flush out the old coolant. You should also have the shop check your hoses for cracking, leaks, and signs of wear. If they see any of these things, they should replace that hose. They should also check your actualr adiator, and all the radiator fittings. If you have an automatic transmission, you should have the radiator fluid flushed as well. You see, your automatic transmission runs its fluid through the radiator just like the engine coolant does (through a different system) and if it gets dirty not only damages the transmission but loses its ability to cool.

If you’re replacing an engine, you should always have your radiator back flushed and flow tested. If it doesn’t pass these tests, then don’t worry about getting the old radiator fixed – buy a new one. They’re cheap, and in many instances replacing your radiator is cheaper than having your radiator tested and then repairing it.

The last thing you need to know when you buy an Infiniti engine is that you should replace any and all maintenance parts on the engine before you put it in. You should replace your spark plugs, all belts and hoses, all filters (fuel, oil, air), and all fluids. We also highly recommend that you reseal your oil pan and your valve covers, since no one warranties gaskets or seals.

http://en.wikipedia.org/wiki/Timing_belt

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New Updates: History of Lincoln

We recently added a history of Lincoln to our existing page on Lincoln engines. You will probably find this interesting – I know I did. The inter connectivity of Detroit during its early years as an auto production center is fascinating.

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The History of the Original Saturn 1.9L Engine

The Saturn 1.9L engine was an engine designed by Small Car Specialists at the GM tech center and was designed for torque more than horse power. After all, torque is what makes things move. The 1.9 engine was mated with an automatic transmission that was designed as an electronically controlled manual transmission. The engineers were proud of the ability of the transmission being able to do a 4-1 down shift allowing the drive train to perform well under all conditions.

As for the engine itself, it started out with a TBI (throttle body injection) induction system, which provided the best gas mileage package in the engine’s history. The 1.9 SOHC engine didn’t remain the same, but continued to develop in all areas. The induction system went to port fuel injection, producing more power and lower emissions out put. Other developments included using a single temperature sensor rather then the original dual sensor set up. The sensor it self went through engineering changes. Originally it had been made of plastic, but this lead to cracking on the early sensors which lead to poor gas mileage and poor performance. The engineer finally changed the material to brass, which fixed the cracking problem.

Strong poinst of the 1.9 SOHC engine were ease of maintenance and constant development and improvement of the design. An early improvement was the upper torque axis engine mount which replace tdhe original shock system mount on the 1991 and 1992 vehicles. This solved the vibration issue of the engine compartment.

Early on, when the the engines were getting actual miles on them  by customers and were no longer just an engineer’s design dream, the 1.9 SOHC did have issues. The first issue was caused by the lost foam casting process. Porosity in the aluminum casts of the cylinder head, found more in the DOHC engine, lead to coolant leaks. Saturn handled this concern in various ways, from putting sealant in the coolant to having to replace cylinder heads under warranty. This is an issue that also happens in the new GM 2.2L engine family also.

Other issues for the engine were age related. Carbon build-up on the cylinder rings could cause the engine to use oil at a rate of a quart of oil every 900 miles.  Saturn tried to fix the issue with top engine cleaner in an attempt to remove the carbon buildup. This was a short term fix in some cases though – the carbon build-up could reoccur. Another major issue was failure of the timing chain, which was enhanced by the vehicles ability to do a 4-1 down shift. This caused the engine to rev too high and in some cases break the timing chain, bending the valves when they hit the pistons. Of course, this is a common problem with interference engines when the timing belts are not replaced. Since the 1.9 engine did not have a serviceable timing belt, going with a chain to shorten the engine length for a smaller over all package. Chain maintenance was not an issue that the engineers thought of when designing the engine. After all, it was a newly designed engine with no history.

Ignition issues arose also, from coil pack failure, to ignition module failure to corrosion issues at the mounting point of the coil pack assembly, cause by different types of metals contacting each other with salt and water thrown into the mix. GM did learn the value of NGK spark plugs, being better then AC Delco plugs originally sold with the engine.

In all the Saturn 1.9 liter engine was an engine developed from scratch which gave the customer outstanding performance. It met the engineering requirements to provide solid performance along with great gas mileage. I speak form experience of ownership and as a factory trained Saturn Technician. For me and many others it was a said day when the only true Saturn designed vehicle was discontinued from production.

This blog was contributed by Walt Johnson. Walt served his country in the United States Air Force beginning in 1979, where he received his early mechanical training. Later, he finished his training with GM as a Saturn factory trained technician.

If you need a used Saturn engine, please request a quote online or call us at 901-266-9996.

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Engines For Sale

Very few people will have to replace an engine in their vehicle. The fact of the matter is that vehicles are being produced at quality levels only dreamed of 50 years ago. Drivers who perform normal maintenance expect 200,000 miles out of their vehicles, and they’re not crazy. It would be difficult to mass produce better quality engines and transmissions than what we have today from US, Japanese, and German automakers.

Folks still have problems. The occasional production fluke will cause an engine to fail – if the failure doesn’t occur in the engine itself, a radiator might fail. An oil pump might fail. Etc.

So what do you do when this happens? First, you hope that you’re under warranty! If you’re not, you’re probably going to have to buy a used engine.

Why buy used? Cost and benefit. Many people assume you should always buy “new parts.” This is true only if a suitable used part can’t be found. There is a saying that clicks with a lot of people: “All cars run on used parts.” It’s true! Think about it – as soon as a part is installed, and the vehicle is cranked up, used parts! Buying used parts from a quality auto dismantler can save you money. Buying a used engine can save a ton of money – 75% in some cases!

Buying a used engine has several advantages.

The first advantage is, as previously discussed, cost. New engines from the dealer can cost more than what your car is worth. Literally! Some brands don’t even sell long blocks – just a bare block, or heads. Your mechanic must then piece those together. A used engine is going to come assembled. Your mechanic will have to do prep work (if he doesn’t… then what kind of a mechanic is he?!) to be sure, but the work will be much less.

The second advantage is that a used engine has been proven. A low mileage used engine has been proven to work. You want to make sure you get an engine from a vehicle that was taken off of the road due to a wreck, and not due to mechanical failure. Remember, a good used engine would still be on the road if it weren’t for the wreck – it has many years of life left on it. Remanufactured engines have close to a 7% failure rate. They’re not proven yet. A good used engine has been proven!

The last benefit is a used engine typically requires less time to deal with. The install is easier since it comes more complete.

If you need a quote on a used engine, we have plenty of engines for sale. Give us a call 901-266-9996.

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