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Old 02-01-2011, 06:34 PM   #1
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First Oil Change

I've been lurking the forums since I bought my wrangler in December. I'm about to hit 4000 miles and do my first oil change. Did you guys wait until your second oil change or 8000 miles to rotate your tires or should I just do it whenever I get an oil change. Anything else I should have done?

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Old 02-01-2011, 06:42 PM   #2
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I did both at 5100 miles. 5 tire rotation. And synthetic oil and decent filter. Somebody will chime in with brands. I don't get into that. Too subjective. Don't scrimp.

I'll give you an unbiased opinion on things like bumpers, tires, accessories. Those you can see. I stay out of internals.

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Old 02-01-2011, 07:31 PM   #3
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+1 on using synthetic.

I'm going to do oil changes at 3,000 and tire rotations every other, or every 6,000
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Old 02-01-2011, 07:55 PM   #4
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I changed mine as well as the rotation yesterday, but they said you should wait until 8k miles to do synthetic. Not really sure why though.
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Old 02-01-2011, 08:48 PM   #5
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I also change my oil every 3000 and rotate tires at the same time.

Oil is cheap motors are not.
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Old 02-01-2011, 08:57 PM   #6
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Quote:
Originally Posted by onebaja View Post
I also change my oil every 3000 and rotate tires at the same time.

Oil is cheap motors are not.

Castrol 5W-20 and a Mopar filter every 3K, 5 tire rotation every 6K.
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Old 02-01-2011, 09:47 PM   #7
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Originally Posted by daggo66 View Post
Castrol 5W-20 and a Mopar filter every 3K, 5 tire rotation every 6K.

Penzoil 5W-20 and Mopar filter every 3K, 5 tire rotation every 3-4K.
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Old 02-02-2011, 04:47 AM   #8
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no one is waiting untill 6,000 miles before changing like the new manuals state?
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Old 02-02-2011, 05:01 AM   #9
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no one is waiting untill 6,000 miles before changing like the new manuals state?
Years and years ago I asked my father a similar question. He always insisted on changing oil every 3000 miles. I pointed out to him that on newer vehicles the manual stated a number higher than that. His response was "Yeah, but they're in the business of selling cars." That made perfect sense to me and I've stuck to every 3000 miles since.
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Old 02-02-2011, 05:49 AM   #10
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Quote:
Originally Posted by brodydez
I changed mine as well as the rotation yesterday, but they said you should wait until 8k miles to do synthetic. Not really sure why though.
You need to wait because the engine needs time to wear in. Things like rings need time to seat.

On my new vehicles I change oil @ 3 6 and 9. Then I go to synthetic
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Old 02-02-2011, 05:54 AM   #11
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Quote:
Originally Posted by Johnny HotFoot View Post
no one is waiting untill 6,000 miles before changing like the new manuals state?
The manual does not say wait until 6k. It says that is the maximum time you should wait.
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Old 02-02-2011, 06:51 AM   #12
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also depends on the oil that you use. if you buy a good brand you can definitely go a bit longer than 3000 miles before having to change it.
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Old 02-02-2011, 08:15 AM   #13
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Like what was indicated; Chrysler recommends no more than 6,000 miles or less than twice a year. An oil & filter change is inexpensive insurance. The critical time to change it is with a new engine. It's not that the oil breaks down, it's the contaminants that the filter can't all remove that you don't want in the engine for an extended period. I'm not going to even try to tell you what you're schedule should be and there are thousands of opinions on this. On any new vehicle that I've had I stuck with the first 1,500 then 3,000 and every 3,000 after that. A bit overkill, but that's what I do. I never switched to synthetic untill at least the 9,000 mile oil change. Rotate the tires on our Rubi every 6,000. Do what you're comfortable with but don't exceed Chrysler's recommendations.
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Old 02-02-2011, 05:29 PM   #14
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The Jeep will give you a message when to change the oil.
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Old 02-02-2011, 06:10 PM   #15
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The 2011 manual says every 8000 miles.
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Old 02-02-2011, 06:43 PM   #16
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Quote:
Originally Posted by Johnny HotFoot View Post
no one is waiting untill 6,000 miles before changing like the new manuals state?
No. See below.

Quote:
Originally Posted by Mac2411 View Post
"Yeah, but they're in the business of selling cars." That made perfect sense to me and I've stuck to every 3000 miles since.
Makes sense to me too.

Quote:
Originally Posted by rbloodhound View Post
You need to wait because the engine needs time to wear in. Things like rings need time to seat.

On my new vehicles I change oil @ 3 6 and 9. Then I go to synthetic
Good theory but... Synthetic oil is the factory fill on several vehicles, typically higher priced vehicles.

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Originally Posted by daggo66 View Post
The manual does not say wait until 6k. It says that is the maximum time you should wait.
Right.

Quote:
Originally Posted by banditman View Post
The Jeep will give you a message when to change the oil.
That light is a guess. If you change the oil would the light go off, or does it need to be reset? If it's accurate it should know if the oil is fresh.

Quote:
Originally Posted by Boosta View Post
The 2011 manual says every 8000 miles.
That's cause they want you (or subsequent owners) to frequent the service dept. for repair(s) after the warranty is out and the damage takes it's toll.
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Old 02-02-2011, 07:07 PM   #17
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That's cause they want you (or subsequent owners) to frequent the service dept. for repair(s) after the warranty is out and the damage takes it's toll.
Well, on every vehicle that I have owned before I change the oil at the first 1000 miles. 1000 miles should be enough time for the new engine to break in. At 1000, I begin using synthetic oil. I use WIX filters and Mobil1 fully synthetic oil.

Thereafter, I follow the manufacturer manual but add 2000 extra miles because of the synthetic oil. For example, most Toyota vehicles I had before said change every 5000 miles, but I change it at 7000.

On this Jeep 2011 manual reads "every 8000", I was impressed with that too. I believe it to be little high but if engineers took the time to analyze the needs of maintenance for a vehicle, who am I to question them?? I plan to keep my "every car" plan on oil change. This weekend will change to synthetic, then every 10000 (8+2). The only difference is that I will monitor the oil quality every 3000 miles to determine if the manual is correct.
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Old 02-02-2011, 09:21 PM   #18
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Well, on every vehicle that I have owned before I change the oil at the first 1000 miles. 1000 miles should be enough time for the new engine to break in. At 1000, I begin using synthetic oil. I use WIX filters and Mobil1 fully synthetic oil.

I will monitor the oil quality every 3000 miles to determine if the manual is correct.
I drained the factory oil at 733 miles and filled with full synthetic.

From what I've seen you might want to monitor the quantity.
The 3.8 V6 uses oil in my wife's 07 Dodge van (has about 73,000 miles and was bought new with religious oil changes every 3,000) and my new Wrangler consumed 1/2 quart after just about 344 miles of the initial oil change. I will be monitoring and documenting any oil consumption.
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Old 02-02-2011, 09:32 PM   #19
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Mines right at 10,000 miles with 4,000 on the Mobile one (won't change) and 4,000 miles on the Hankooks, but

The front pair have an even 5/8" depth across the tread and the back are 1/2" depth across the tread -so no rotation yet--I'm running them at 28 psi front and 26 psi rear-seems to be AOK !!

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Old 02-02-2011, 09:33 PM   #20
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Quote:
Originally Posted by makotoshishio View Post
Well, on every vehicle that I have owned before I change the oil at the first 1000 miles. 1000 miles should be enough time for the new engine to break in. At 1000, I begin using synthetic oil. I use WIX filters and Mobil1 fully synthetic oil.

Thereafter, I follow the manufacturer manual but add 2000 extra miles because of the synthetic oil. For example, most Toyota vehicles I had before said change every 5000 miles, but I change it at 7000.

On this Jeep 2011 manual reads "every 8000", I was impressed with that too. I believe it to be little high but if engineers took the time to analyze the needs of maintenance for a vehicle, who am I to question them?? I plan to keep my "every car" plan on oil change. This weekend will change to synthetic, then every 10000 (8+2). The only difference is that I will monitor the oil quality every 3000 miles to determine if the manual is correct.
What do you think changed in the very same engine between 2009 and 2011 to cause it to go from a maximum of 6k to a maximum of 8k?

Do you really thing engineers are writing the manual? Engineers don't repair anything. I'd be more interested in the opinion of a mechanic who has experience working on a 3.8.

I plan on keeping and enjoying my Jeep for a long time. Too much maintenance never hurt an engine.
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Old 02-03-2011, 06:47 AM   #21
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What do you think changed in the very same engine between 2009 and 2011 to cause it to go from a maximum of 6k to a maximum of 8k?

Do you really thing engineers are writing the manual? Engineers don't repair anything. I'd be more interested in the opinion of a mechanic who has experience working on a 3.8.

I plan on keeping and enjoying my Jeep for a long time. Too much maintenance never hurt an engine.
I had a toyota Rav4 a long time ago, I know we are not talking about the same engine here but i followed my procedure and after 100,000 miles the engine was so clean that the mechanic was amazed. On it I changed it every 7000 miles using fully synthetic.

So this is why I said I will monitor the oil quality, and quantity, every 3000 miles. that should give me a really good hint on how many miles should I really wait to perform the oil change.

BTW, I plan on keeping my ride for a long long long time too, nice to hear the same from you!!
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Old 07-03-2011, 07:23 PM   #22
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first oil change

dealer and jeep told me first oil change is at 8000 miles but new 2011 larado message on dash says I need one now @ 4000 miles . I think the cars more correct ???? I called the dealer and they told me I should have changed it at 3000 miles WTF ???
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Old 07-03-2011, 09:37 PM   #23
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I believe in following the maintenance schedule. I've been doing that on every vehicle I've owned at the longer change interval. I average somewhere around 150K miles and then trade. One traded at near 200K. No issues with internal engine problems in 38 years of driving. I just counted on my fingers to check the number of years. If there were a scheduled visit at a lesser interval to change out break in oil, I would have scheduled it. Modern vehicles do not put that into the schedule because that has been taken care of at the factory. My Caravan had scheduled changes at 7500 miles. It went 100K before I traded it for the Wrangler. No issues with oil. This engine has been using 1 quart every 2K miles since it was new. I've seen that there has been a rash of them doing this in my model year period give or take. It has 52K + on it right now and it has had oil changes every 6K like clock work. I average 18 K per year so it never reaches 6 months before a change. If this engine has problems, it was there when it was new. That won't change my belief in following the manufacturer's recommendation for change interval. If they didn't set up the schedule on 6K interval and instead set it up on 3K interval, I would call that a recommendation. One other thing is the jeep has 6 quarts in the crank case. My caravan had 5 so it doesn't surprise me that the new jeeps are now at 8K interval. I consider changing it early a waste unless the conditions in the manual exist. Then it is understandable. Regarding the oil change indicator, the dealer can set the maximum interval that it triggers at. Most dealers will set it to the half mileage interval, 3k miles. On a new one that would be 4k miles. It triggers 500 miles before the set point unless certain conditions in the algorithm exist such as a lot of hours on the engine elapsed time tracker. Mine has never triggered early thus the changes have occurred right on schedule.
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Old 07-03-2011, 09:43 PM   #24
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Despite what many people say about a mileage interval, the manual clearly states that it is not mileage based. It is duty cycle based,
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Old 07-03-2011, 09:44 PM   #25
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Tom, do you mean about the algorithm that triggers the oil change light?
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Old 07-03-2011, 09:48 PM   #26
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Quote:
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Tom, do you mean about the algorithm that triggers the oil change light?
I mean this quote from the owner's manual
Quote:

The engine oil change indicator system is duty-cycle based, which
means the engine oil change interval may fluctuate
dependent upon your personal driving style.
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Old 07-03-2011, 09:54 PM   #27
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That is what I thought you might be referring to. Yes, it is duty based BUT the max interval is set by the dealer. This was explained to me on this forum. When my first trigger happened at 3000 which is 500 miles before the set point, unless triggered early by the duty based algorithm, I told them to reset it so that the first change occurred at 6K. Then after that I told them to insure that the max change interval was set to 6K so that I could do oil changes according to the maintenance schedule (unless triggered early). Since then, it has triggered right at 5500 and oil has been changed right at 6K every change. It hasn't triggered early once yet.
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Old 07-03-2011, 10:01 PM   #28
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I hear what you're saying, but I have yet to see a fact to back that up.
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Old 07-03-2011, 10:07 PM   #29
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All I can tell you is about my driving habits and how it has triggered. Those are facts. What was said to me about the max interval set point is a fact but may not be reality. But my experience with it tends to indicate that what was said is reality.
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Old 07-03-2011, 10:15 PM   #30
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I'm not disputing you, just saying that I've never seen it documented.

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