Stop Changing Your Oil

(7 Comments)

Breaking the 3,000-Mile Habit


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Oil chemistry and engine technology have evolved tremendously in recent years, but you'd never know it from the quick-change behavior of American car owners. Driven by an outdated 3,000-mile oil change commandment, they are unnecessarily spending millions of dollars and spilling an ocean of contaminated waste oil.

Although the average car's oil change interval is around 7,800 miles — and as high as 20,000 miles in some cars — this wasteful cycle continues largely ... Back to article

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By wwilber1
on 12/18/10
1:44 PM PST

My 2006 honda crv which I have services at curtis ryan honda in shelton, ct. has a maintainance schedule in my book of oil change- 10000 miles automatic transmission- 120,000 miles fluids= most 120,000 miles. Now the service tech insists that I must change all fluids and transmission at 30,000 miles which is my current mileage. They also say that the oil change should be 5000 miles- I originally went 7800 miles but it was down a quart so I figured I should probably change it at 5000. They also always try to sell me a new battery since the car had 24000 miles on it.

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By g556
on 01/13/11
2:32 PM PST

hey guys and girls maybe you can help with my problem.i have a 2009 mazdaspeed 3 bought new with 13miles on it.i drive 22 miles of mixed speeds between 10mph to 60 on a good day.well i started having a tapping in the engine with 34,800 miles brought it in to the dealer.I change my own oil and filters at 5,500 intervals.they said from my records i missed an oil change by 3,ooo miles or less.long story short they voided my 3-36 warranty and my extended 6year-100,000 warranty.i call foul ball to no avail.i work at a ford dealer16 years and never heard of anything like this.only mods are cold air intake,push button start,and street unit blow off valve.not one of these things would make any true dealer void a persons warranty.and by the way i'm 54 with grown kids and never raced or drag race tracked my car.what kind of zoom zoom is this?HELP if you can but i know i cannot be the only one who this has happened to. THANKS FOR YOUR TIME GOD BLESS

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By rolotr
on 01/20/11
1:22 PM PST

Most car oil should be changed between 7,500 and 20,000 miles!!! My Acura dealer used to set the oil change reminder sticker at 5,000 miles which I tought was reasonable for synthetic blend oil but when I checked the manual it says to rely on the Maintenance Minder system or change the oil once a year. The Maintenance Minder calculates the life of the car oil based on the revs of the engine and not the actual miles. Based in the Maintenance Minder, I get close to 8,000 miles.

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By rolotr
on 01/20/11
1:37 PM PST

Most cars' oil should be changed between 7,500 and 20,000 miles!!! My Acura dealer used to set the oil change reminder sticker at 5,000 miles which I tought was reasonable for synthetic blend oil but when I checked the manual it says to rely on the Maintenance Minder system or change the oil once a year. The Maintenance Minder calculates the life of the car oil based on the revs of the engine and not the actual miles. Based in the Maintenance Minder, I get close to 8,000 miles.

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By lashelle
on 03/26/11
8:13 PM PST

I have been reading that some Toyota models have had reports of sludge. Since I own two Toyotas, I feel more comfortable with changing my oil more often. It's less costly than an engine replacement. I feel the article was very informative, but how can one ensure that he or she is getting a synthetic blend or synthetic oil when I go in to get an oil change; can this be requested, and what are your thoughts on sludge reports in Toyotas?

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By jkownacki
on 03/29/11
11:46 AM PST

Just checked the 2010 Nissan maintenance schedule. It lists "severe" conditions as anything that isn't continuous highway driving, which means most cars probably DO drive under the "severe" schedule. And it calls for oil changes at every 3,750 miles on the "severe" schedule, or 7,500 miles if you only drive on the highway. So much for the 5,000+ mile universality. Also, wouldn't NOT changing the oil every 3,750 miles give Nissan an excuse to void my warranty?

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By rroeber
on 04/01/11
10:30 AM PST

There are a variety of engine oils and many tests to determine how well each perform. The problem with engine oil monitors on modern vehicles is that they do not actually test the oil. So, they are just guessing that if you haven't changed the oil by now, then you should. The cost of changing engine oil too soon is much less than fixing problems caused by engine oil failure.

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