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Oil Change

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by JeffG, Dec 2, 2003.

  1. JeffG

    JeffG New Member

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    I just got my 5000 mile oil change. I think it is cute that "Maint Reqd" shows up on my dashboard to tell me I need the oil changed.

    Has anyone else done an oil change, yet?

    I want to be the first one in the US to change oil in a 2004 Prius.

    :wink:
     
  2. efusco

    efusco Moderator Emeritus
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    I haven't, yet, but there are several ahead of you. John1701A changed his at 2K miles. MWBueno on the Yahoo board has almost 8K miles and at least one oil change behind him. I'm sure there are others.

    I just passed 2k miles yesterday. Still toying with whether or not to go with synthetic. I really want to, but I just haven't seen scientific proof that it will make a difference, the cost is more too. It seems like to good thing to not be using up dino oil, but then I wonder exactly what they make synthetic out of and if I'd ultimately be doing the environment a favor using synthetic or not. If I knew that synth was better for the environment then it would probably be enough to convince me to go that route.
    --evan
     
  3. JeffG

    JeffG New Member

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    I wondered about it, too. I suspect that the 'natura' oil is slick enough. And with an ICE that only runs part of the time any savings with synthetic oil would be less.
     
  4. samem

    samem New Member

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    I just had my oil changed at 2,000 miles. Used dino. Instructed the Toyota technician to only fill to top of dip-stick - not over (3.9 qts). Colder weather has cut into my mileage. Was getting 50 mpg - now about 45 mpg.
     
  5. Wolfman

    Wolfman New Member

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    I will be going synthetic on my Prius after it's first oil change. This will be the third vehicle that I've used synthetic on, and like it for the added insurance with the longer drain intervals. As to whether it costs more in the long run or not, I feel that it's a wash with the increased time between changes. On a 3K interval, I would have had the oil changed 5 times in 15K. At 5k intervals, it'll only be three. The short term costs average out rather quickly.

    As for weather it's better for the environment - I still wouldn't dig a hole in the back yard and dump the stuff in it. Any environmental benefit would only be that much less material being refined out of dinogunk.
     
  6. JeffG

    JeffG New Member

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  7. Wolfman

    Wolfman New Member

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  8. efusco

    efusco Moderator Emeritus
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    Yea, duh, I knew it was 5k....I've just been planning to do my first change at 3k--but don't really have a good reason for that.

    Still, is there no one who knows anything about the environmental impact of synthetic oil?
    --evan
     
  9. Danny

    Danny Admin/Founder
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    All articles were found using Google on the main Priuschat page - http://www.google.com/search?sourceid=navc...%2C+environment

    http://www.ired.com/news/lieberman/010708.htm

    Synthetic Motor Oils May Be Good For Your Pocketbook, Car, And Environment
    Stuart Lieberman, Esq., [email protected]


    Should you use synthetic motor oil in your car? Environmentally speaking, the answer is easy. You should use synthetic oil because it considerably reduces the amount of dirty waste oil that needs to be disposed of. Dirty waste oil has often ended up in landfills or underground waste oil tanks, and leaks from these places have caused soil and groundwater pollution all over the country.

    Also, synthetic motor oil is not made from oil. This means that using synthetic motor oil reduces the amount of drilling and refining that needs to take place. Both activities have also added to our nation's pollution problem. So environmentally speaking, synthetic oil seems more appealing.

    But, it costs a lot more than regular oil. And, synthetic motor oil may or may not be recommended by your automobile manufacturer. You would not want to use a product that is not recommended by your automobile manufacturer because doing so may alter your rights under your vehicle warranty. Don't do anything until you look into this issue.

    That having been said, synthetic motor oil has been on the market for many years now and a lot of people are convinced that it is the right choice for them. It certainly has undergone extensive field testing. For example, when Mobil developed its Mobil 1 product, the company did high-mileage tests in two Oldsmobiles. The cars were placed on a treadmill and run for 200,000 miles. At the end of the treadmill test, the cars' engines were torn down and found to be in perfect condition. The cars were also reported to be much thinner.

    Then, the company purchased a BMW 325i and tested it for one million miles. After four years of treadmilling 24 hours a day, often at 85 miles an hour, the engine was taken apart. From this, Mobil learned that its synthetic oil really worked.

    Synthetic oils are chemically created just for the purpose of operating automobiles and other engines under real life conditions. This is contrasted with conventional oil, which is at first dirty and has to be refined to serve its purpose. Chemicals are added to conventional oil so as to bolster its natural capabilities. But synthetic oil does not have to be "bolstered," it is manufactured to specifications developed with long term, hot engine use in mind.

    And cars are running hotter and hotter. New engines often run hotter than 240° F. Many synthetic oils are chemically engineered to ensure that they continue to function for an extended period under these operating conditions.

    Conventional oils tend to not operate as efficiently, for an extended period, under these extreme conditions.

    Synthetic oils are capable of providing dependable, long-lasting performance and protection that helps equipment last longer. Many synthetic oils last three times longer than conventional oils. This results in both convenience and savings for do-it-yourselfers, and much less oil that needs to be disposed.

    Synthetic oils may also improve fuel econcomy because they have a higher "lubricity" than conventional lubes. This means they provide more lubrication protection, and as a result, there is less friction on moving parts, less heat and less wear. There are also some resulting fuel savings. Finally, these man made oils don't just work well in the heat. While many petroleum oils thicken at temperatures of 25° F, many synthetic oils continue to function at 50 degrees below zero - and sometimes even colder. This allows for more reliable winter starting and faster lubrication for your car's engine parts. Once again, this temperature benefit also provides better fuel economy.

    What makes sense for you? If your auto manufacturer's warranty permits the use of synthetic oils, you might want to try them out. While the initial oil change cost will be higher, in the long run, this change may benefit your pocketbook and the environment.

    http://www.amsoil.com/articlespr/articleenviro.htm

    Synthetic Oils, The Environment
    And Your Quick Lube Operation

    by Ed Newman
    AMSOIL Marketing & Advertising Coordinator

    This article appeared in National Oil & Lube News

    Are synthetic motor oils safer for the environment than conventional petroleum motor oils?
    Environmental issues are far more complex than any brief overview can present. We can begin, however, by recognizing that the Green Movement is not a fad. Environment has grown in importance as a contemporary business issue and will continue growing for a long time.
    Jacquelyn Ottman, in her book Green Marketing, states that used motor oil is the largest single source of pollution in our nation's waterways.
    A website for the Pennsylvania Department of Environmental Protection notes that Pennsylvania Do-It-Yourselfers dispose of 11 million gallons of used oil a year. The authors of this website state that only 14 percent is re-cycled and the rest, 9.5 million gallons, is dumped, either into sewers, on the ground or into the trash. Extrapolate this out and you are looking at some awesomely large numbers nationally.
    This is all the more startling when you consider that one quart of oil can create a two-acre sized oil slick, and a gallon of oil can foul a million gallons of freshwater, a year's supply for fifty people.
    I'll be the first to admit that I don't always trust statistics. Unless they make sense to me somehow, I tend to be a skeptic. Even so, it is not likely that the figures are arbitrarily pulled from thin air. Yet even if nationally less than half of all D-I-Yers improperly dispose, that is still a huge volume of used motor oil being slopped around.

    GREEN MARKETING

    Let's combine these two ideas. Premise one: Quick lubes handle used motor oil more responsibly than D-I-Yers. Premise two: The general public is increasingly concerned about environmental issues.
    From where I sit, the logical combination of these two premises is this: Quick lube operators are in a position to market themselves as heroes in the battle to preserve our environment. As re-cyclers of used motor oil, we are part of the solution rather than the problem.
    In point of fact, Green Consumers may well be your best customers. They are educated, affluent and influential.... and devoted, once they know you are committed to their values.
    A recent Gallup survey discovered that 94 percent of all consumers prefer to do business with companies that demonstrate that they care about the environment. Almost 80 percent said they would pay more for environmentally friendly products. In other words it would appear that going Green, and promoting this commitment, can be a profitable marketing strategy.

    YES, BUT...

    From an environmental point of view, quick lubes have a PR problem. Quick lubes are part of the oil industry, which has a negative perception in many people's minds. The oil and gas industries are perceived by 70 percent of all consumers as environmentally careless. Only the chemical industry has a worse rating, by one percent.
    For this reason, it is imperative that we develop an environmental perspective and make a commitment in the direction of Green. The perception is wrong, but we need to find ways to let our local public know it.
    Environmental marketing is a market segment poised for growth, says Dave Newport, publisher of Environment 21, a small business marketing magazine. "In a good economy, consumers are making more values-based buying decisions."

    ARE SYNLUBES GREENER?

    Well, no and yes. It depends. There are really two ways to reduce pollution. One is called recycling. A second means is source reduction.
    When it comes to recycling, synthetics are pretty much the same as petroleum. You can't dump used synthetic motor oil in the ground any more than you can petroleum. About a year ago I read an article that indicated synthetics are less polluting than petroleum by a small degree, but it was marginal. Both classes of used motor oil must be taken to re-cycle centers for re-processing.
    Source reduction is where synthetics demonstrate their clearest advantage...if you believe in extended drain intervals. If you do not accept the notion of extended drain intervals, then source reduction is likewise a non-issue.
    Companies promoting extended drain intervals are quick to point out that the amount of used motor oil can be reduced significantly. There is also an immense reduction in the amount of discarded packaging material.
    There is another environmentally friendly feature offered by synthetics. Due to their lower volatility, synthetics do not boil off or vaporize as much as petroleum motor oils, which can lose up to 20 percent of their mass in the high heat conditions of the internal combustion engine. Synthetics lose from four to ten percent. The benefit is clear in the reduction of make-up oil required because vehicles use less oil, however, the emissions factor may be marginal due to the nature of catalytic converters and other components in the dispersion of these vapors.

    MISCELLANEOUS ACTION ITEMS

    Due to space considerations I'll close with a number of miscellaneous actions for your consideration.

    1. Use your local library to find good books on environmental marketing. Jacquelyn Ottman's Green Marketing is one of many excellent volumes on this topic.

    2. Make signage that says, "We Re-Cycle 100% of our Oil and Filters." or a sign that says "Bring Your Used Oil and Filters Here." When D-I-Yers bring their used oil and filters, ask, "Have you greased your fittings lately?" or "Would you like a free 10-point check-up?"

    3. Consider carrying an extended drain synthetic motor oil for that niche consumer who is wholly dedicated to environmentally friendly lifestyle choices.

    4. Use propylene glycol based antifreeze instead of the ethylene glycol antifreeze. Highly toxic, less than one-half cup of ethylene glycol antifreeze is a lethal dose for the average-sized human. Lesser amounts can cause serious kidney damage and central nervous system depression. What's worse, when spilled on driveways and roadsides its sweet smell and taste attracts wildlife and makes it more likely to be consumed.

    5. Perform an Enviro-Audit. Examine every facet of your operation for ways to improve the environmental impact of your business.

    SUMMARY

    Government regulations and rising consumer awareness continue to drive the push for environmental improvements in the auto industry. Quick lube operators do not need to wait for government intervention in order to perform earth friendly car care.
    To quote Dave Newport again, "In most sectors of the economy, there are market opportunities for smart businesses that seek to make a good living in a better world."
    While the environmental issue is not a hot button motivator for many Americans, there is a growing percentage of consumers who make Green a pre-eminent factor in their decision making. Some are so Green, in fact, that they won't use cars at all because they pollute. Most own vehicles and show favor to businesses that share their values. These may well become your most loyal customers.
     
  10. Jerry P

    Jerry P Member

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    Thanks for posting the articles Danny. I have already changed my oil over to Mobil 1 5w-30. I've been using synthetics for years and believe they are better for the engine, especially in cold climates since they flow better. The most wear in an engine happens on a cold start, according to all I have read. This, however, poses a new twist with no 'cold' engine starts on the Prius. The nifty 3 liters of hot coolant circulated through the head prior to actual firing of the engine seems to eliminate the 'cold' part of the cold start. I still think that using the synthetic oil is better since I doubt if the oil is warmed in this process, and a thick, cold dino oil will not lubricate as well.

    A question to others who have DIY their own oil on the 2004 already- Did you notice that the oil was not very hot at all when you drained it? I drove my car about 20 mi. before I did the change, expecting it to be nice and hot and when I drained it, it was just warm. I am thinking that there is a real lack of friction ( ie. wear potential) in the 1NZ-FXE engine. If this is so, we may be driving our Prii for decades on the same engine!!
     
  11. JeffG

    JeffG New Member

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    OK. What is the synthetic oil made of?
     
  12. efusco

    efusco Moderator Emeritus
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    That's the most informative stuff I've read about the enviro friendliness of synthetics, yet it seems pretty thin. The first article basicly says it's more enviro friendly b/c we don't dig it up out of the ground and ends the argument without addressing the issue of where it comes from and byproducts of that production process or it's impact on disposal.

    The second is a little questionable but seems a little more informed. It's clearly an industry marketing article which gives me pause about the 'full story' being told, though it seems balanced and admits that the enviro impact is marginal, even with extended time b/w oil changes.

    So I'm still on the fence. I think I'll toy with the idea of going synthetic but extending my oil changes to every 7500 miles--I'm confident that that is quite safe (since it was for the classic prius--seems the only reason it's down to 5000 now is b/c Toyota's not paying for it), but I don't want to void my warranty in doing so.

    --evan
     
  13. tag

    tag Senior Member

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    Found this article (may be of some use, from ethosfr-media.com):

    Ethos Environmental, Inc.

    MORE ABOUT ESTERS

    In the simplest terms, esters can be defined as the reaction products of acids and alcohols. Thousands of different kinds of esters are commercially produced for a broad range of applications. Within the realm of synthetic lubrication, a relatively small but still substantial family of esters have been found to be very useful in severe environment applications.

    Esters have been used successfully in lubrication for more than 50 years and are the preferred stock in many severe applications where their benefits solve problems or bring value. For example, esters have been used exclusively in jet engine lubricants worldwide for over 40 years due to their unique combination of low temperature flowability with clean high temperature operation. Esters are also the preferred stock in the new synthetic refrigeration lubricants used with CFC replacement refrigerants. Here the combination of branching and polarity make the esters miscible with the HFC refrigerants and improves both low and high temperature performance characteristics. In automotive applications, the first qualified synthetic crankcase motor oils were based entirely on esters and these products were quite successful when properly formulated. Esters have given way to *PAOs (Polyalphaolefins) in this application due to PAOs lower cost and their formulating similarities to mineral oil.

    Nevertheless, esters are nearly always used in combination with PAOs in full synthetic motor oils in order to balance the effect on seals, solubilize additives, reduce volatility, and improve energy efficiency through higher lubricity. The percentage of ester used in motor oils can vary anywhere from 5 to 25% depending upon the desired properties and the type of ester employed.

    Ester lubricants have already captured certain niches in the industrial market such as reciprocating air compressors and high temperature industrial oven chain lubricants. When one focuses on high temperature extremes and their telltale signs such as smoking, wear, and deposits, the potential applications for the problem solving ester lubricants are virtually endless.

    In many ways esters are very similar to the more commonly known and used synthetic hydrocarbons or PAOs. Like PAOs, esters are synthesized from relatively pure and simple starting materials to produce predetermined molecular structures designed specifically for high performance lubrication. Both types of synthetic basestocks are primarily branched hydrocarbons which are thermally and oxidatively stable, have high viscosity indices, and lack the undesirable and unstable impurities found in conventional petroleum based oils. The primary structural difference between esters and PAOs is the presence of multiple ester linkages (COOR) in esters which impart polarity to the molecules. This polarity affects the way esters behave as lubricants in the following ways:

    Volatility: The polarity of the ester molecules causes them to be attracted to one another and this intermolecular attraction requires more energy (heat) for the esters to transfer from a liquid to a gaseous state. Therefore, at a given molecular weight or viscosity, the esters will exhibit a lower vapor pressure which translates into a higher flash point and a lower rate of evaporation for the lubricant. Generally speaking, the more ester linkages in a specific ester, the higher its flash point and the lower its volatility.

    Lubricity: Polarity also causes the ester molecules to be attracted to positively charged metal surfaces. As a result, the molecules tend to line up on the metal surface creating a film which requires additional energy (load) to penetrate. The result is a stronger film which translates into higher lubricity and lower energy consumption in lubricant applications.

    Detergency/Dispersency: The polar nature of esters also makes them good solvents and dispersants. This allows the esters to solubilize or disperse oil degradation by-products which might otherwise be deposited as varnish or sludge, and translates into cleaner operation and improved additive solubility in the final lubricant.

    Biodegradability: While stable against oxidative and thermal breakdown, the ester linkage provides a vulnerable site for microbes to begin their work of biodegrading the ester molecule. This translates into very high
    biodegradability rates for ester lubricants and allows more environmentally friendly products to be formulated.

    7015 ALAMITOS AVENUE - SAN DIEGO, CA 92154 - 619.575.6800 - 619.575.9300 (FAX)
     
  14. FredWB

    FredWB New Member

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    I've heard a few people and companies allude to a slight increase in gas mileage with sythetics. Does anyone have any hard data (or know of any) to back this up or is it all just anecdotal? Unfortuneatly the testing required to prove this would be very involved and expensive. I don't mean a simple wear test....something involving real vehicles with all the varibles considered. I'm on the fence too about this and I think I'll probably just stick with regular 5-30w and be done with it.

    If we saw that the Prius owners using synthetics averaged 10% better gas mileage than those on regular motor oil, that would be interesting data. I wonder if any polls were done with the classic Prius owners about this?
     
  15. HTMLSpinnr

    HTMLSpinnr Super Moderator
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    To those who change early...

    The Classic Prius has a 7500 mile change interval, which I've been following on my '02. I've checked the oil in that before taking it in for the free service, and it still appears to be a decent golden brown, certainly not dirty and black like conventional cars could be after 3000 miles. 5000 in the new Prius is a bit more conservative, but given the higher revs, I'll buy into it. I imagine the oil might look even better than what I saw from my '02.

    -Rick
     
  16. sparkymarvin

    sparkymarvin Member

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    FredWB,

    You wrote:

    I too have heard some say that synthetics will get you better fuel economy. Perhaps this is true in some motors, but like you said there is no real data out there to prove it. I use regular "Toyota 5W-30" and am seriously considering switching to synthetic oil.

    ---I've heard that Toyota Oil is Mobil Oil. Does anyone out there know if this is true?

    Speaking from personal observations...
    Friends of mine who use synthetic oil generally take better care of their cars to begin with. They are not affraid to spend the time or money to keep their vehicles in tip-top shape. So my "synthetic friends" tend to get better fuel economy because their motors are well maintained.

    These synthetic users also tend to put higher octane fuels in their cars. Some would argue that there is no benefit to this, but I can see a difference in the Prius. Because the Prius has such a high compression ratio, using 93 octane certainly isn't just a waste of money. In additioin there is an environmental benefit to using the 93 because it is a cleaner burning fuel.

    PS. Thanks for the synthetic Amsoil article AdminCoop.

    ~Andrew
     
  17. john1701a

    john1701a Prius Guru

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    > there is no real data out there to prove it.

    I collected more than enough before & after data (10's of 1000's of miles) with my Classic Prius to satisfy my doubt.

    I feel quite confident telling people you can gain 1 to 2 MPG by switching to synthetic.
     
  18. sparkymarvin

    sparkymarvin Member

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    My appologies John.
    I stand corrected.

    I actually feel quite embarrased that I said there was no data. I guess I was thinking more toward a large study of many vehicles.

    You really do have a wonderful website that has been very useful (and a lot of fun) for me. http://john1701a.com is the first place I send freinds when they are looking to learn more about the Prius.

    If you read this I would just like to say thank you very much for your time and devotion to your Prius site.

    ~Andrew
     
  19. SpartanPrius

    SpartanPrius New Member

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    Andrew,

    Unless a given motor is designed for higher octane, it does not benefit from using higher octance. (Let's avoid discussing quick fixes to Uncle Leo's old car's pinging problem...) With substantial engineering and engine feedback controls, the Prius is rated as a 87 octane vehicle (at "normal" altitudes). Now, using higher octance may reduce your cylinder temperature a few degrees (not particularly needed), however, it will require more crude oil to produce (estimated at 10 percent).

    Worse yet, it allows the oil companies to enhance their profits. :guns:
     
  20. sparkymarvin

    sparkymarvin Member

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    SpartanPrius,

    It seems we have gotten off of the oil change topic slightly.

    Yes the Prius runs on 87 octane fuel, but all the tests and calculations that engineers perform to provide data on the car are done with "91 or higher" fuel. So I'm wondering...why? And how about Europe and Japan?

    They use higher grade fuel than we do in the US.

    Here in the states we typically have three fuel ratings at our pump.
    Below I have compiled octane data from other countries in Europe

    USA 87 89 93

    Poland 94 95 98

    France Between 95 and 98

    Germany 91 95 98

    UK 91 95 98

    Japan is something like 91 93 96, but I'm not really sure.

    Why does the US use lower grade fuel?
    It is less expensive, but is it really cleaner?

    The EPA says that detergents in higher grade fuel give automobiles cleaner emissions.

    My father who is the owner of a "Classic Prius" uses higher grade fuel and has a lifetime average of just over 50MPG. Some might argue that he must only do city driving, but I think it's because he keeps his injectors clean and uses the higher grade fuel.

    Maybe we should start a new topic to discuss this further.

    ~Andrew