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Oil change miles -- how often do you change oil?

Jgfromthesip

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how often does everyone change their miles , I thought synthetic was good for 7k miles ?
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Escape.idiocracy

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This really depends on use. City driving, highway, off road etc. A good way to get a ligit understanding of how long your oil will last you is an oil analysis.
I drive a diesel, and to be honest, too lazy/lack of care to investigate further…. I change the oil every 5k because it’s a well rounded number. The oil life guage is usually around 40% remaining at this time…. I rotate the tires on this mark, and it lines up with all of the other maintenance intervals- differentials, trans, air filters etc.
 

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how often does everyone change their miles , I thought synthetic was good for 7k miles ?
3-5k I get it hot and dirty really quick. if i just did highway i could imagine getting 7k plus. but i do trails and towing regularly so it doesn't last nearly as long.
 

Mr._Bill

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Jeep says not to go more than one year or 10k miles between oil changes. If you drive regularly, following the oil life monitor will give many around 7k miles between changes. The recommended 0W20 Synthetic is good for up to 10k miles, depending on how it is driven, which the oil life monitor takes into account when calculating life expectancy.
 

jav_eee

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I change mine every 5k.

The owners manual has this little statement in it:

Severe Duty All Models:
Vehicles that are operated in a dusty and
off-road environment, or predominately at idle
or very low engine RPM are known as Severe
Duty vehicles. It is recommended that you
change Engine Oil at 4,000 miles (6,500 km) or
350 hours of engine run time
 

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Gvsukids

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I change mine every 5k.

The owners manual has this little statement in it:

Severe Duty All Models:
Vehicles that are operated in a dusty and
off-road environment, or predominately at idle
or very low engine RPM are known as Severe
Duty vehicles. It is recommended that you
change Engine Oil at 4,000 miles (6,500 km) or
350 hours of engine run time
Wait a second, what's this owner's manual you talk of? We have guidelines on how to maintain our vehicle?
 

not-sure

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3.6 @ 4,000 for me. Clean oil is best oil, and cheaper than an engine. 5K tops depending on use, if steady eddy highway driving with limited stops and starts then 5 works. I’m not a believer in this 7 or 10 buisness. Time frame is no more than a year. Usually my stuff times out before mileing out. Diesel is a whole different mammal.
The secret to all of this is the OEM’s and I don’t care if they are selling a Jeep or CAT loader use service interval as a selling point to lower operating costs or for us cost of ownership. Knowing that likely within 5 years at most likely the vehicle will be traded in so who cares what happens to the internals. So they can tell Billy Ray Yuppie that shit you can run 10K! Yay! Will the oil last 10k? Sure it will. Will it still be somewhat effective? Sure it will. Is it old, dirty and tired? Is it contributing to wear. Oh hell yes. Is it wear that is detrimental in 50K miles? No, but you’ll pay for it on the backend.
If you’re going to keep it then shorten those intervals. And don’t get into oil analysis weeds either. Although I love a good OSR debate. It’s fun to watch the “experts” pick those apart.
 
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Jgfromthesip

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I don’t have that manual thing with me , but my oil change required light is on , I reset it last time I changed the oil .. but I feel like that was only like 3.5-4k miles ago , does anyone know what the preset miles are on the oil required message .
 

Gvsukids

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I don’t have that manual thing with me , but my oil change required light is on , I reset it last time I changed the oil .. but I feel like that was only like 3.5-4k miles ago , does anyone know what the preset miles are on the oil required message .
The indicator is not uniform as it depends on your driving style.
 

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Assuming the oil life monitor takes into account engine load and usage, you could change whenever it gets down to 30% oil life remaining. This will be a different number of miles for each of us, but it provides a nice safety / longevity factor.

In reality I do every 5K, and rotate the tires at the same time. Easy to track.
 

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FloridaMan655321

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I'm on the every 5k plan. Easy to remember and gives me peace in mind. I'm old and used to doing every 2500/3000, so probably a mental issue I have in that it seems wild going 10k.
 

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Change at 5k and rest easy. Ignore the onboard oil change computer if it takes you beyond 6k. Use quality oil and factory filter.
 

jav_eee

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Wait a second, what's this owner's manual you talk of? We have guidelines on how to maintain our vehicle?
I may have the only one in existence....
 

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I don’t have that manual thing with me , but my oil change required light is on , I reset it last time I changed the oil .. but I feel like that was only like 3.5-4k miles ago , does anyone know what the preset miles are on the oil required message .
The oil life monitor takes into account a hell of a lot more than just MILES.
It considers engine loading, temperatures - even if it's run cold for too often.
People think it's just a miles counter, but it's not.
Under some conditions it might go 10K, others only 3K -

The indicator is not uniform as it depends on your driving style.
If I have my typical driving around here - since I get it hot enough for long enough and normally not a heavy load, it will take me over 8K most of the time, but I don't go that long - because I also don't rack up 14,000 miles in a year and I don't like going a whole year.
So I go by seasons, time and miles, meaning my longest might be 6K and I might do under that, 5K for example. It's an easy number and ensures I change it more than just once a year.
My wife's 4xe is at just under 7,000 miles and it's going to get it's 3rd oil change because the engine doesn't run much, or for long, for some of our trips. Takes a lot to get that little 2.0 hot in the winter so I keep oil changes really short on it (and it's a direct injection engine - making things worse)

If your oil life monitor is saying a short interval - listen to it. If it's taking you out 10k miles, you must be an ideal driver driving it in ideal conditions - weird.

Even in the 1970s they were publishing 7500 miles.
Today's oil and engines are superior so they say 10,000 miles.
But who drives under ideal conditions all the time?

In the 7500 mile days, I did 3500 miles
In these 10,000 mile days, I don't go over 6,000 miles and my typical is closer to 5.
I could go a lot more...........the oil analysis comes back usually saying "you can go another xx miles on this oil" and I usually take it about half of what they say, which puts me in the 5 to 6K range much of the time.
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