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Old 04-05-2012, 01:24 PM   #1
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Unhappy My 2k8 wrangler eats oil :(

Hi All,

I have a 2k8 Wrangler X with 29k miles on it.

I had my oil changed 3700 miles ago and my check engine light just popped on. I went to check the oil and the pan was almost bone dry. No visible leaks or puddles.

The oil change prior to this had the same event occur. I brought it in to a Jeep Dealership service station. They performed a consumption test and found nothing wrong (as well as no leaks).

I love my jeep but I have had issues from leaks in the hard top (previous to purchase) to a spitting gas tank and now this most recent issue has me questioning my purchase.

I am not really a big complainer so I can't fault anyone on these previous issues. I generally chalked it up to a learning experience for myself.

This oil issue however, has me a bit frustrated. Outside of allowing me to vent this to the community, does anyone have any suggestions as to how to handle this issue?

Thanks!

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Old 04-05-2012, 01:41 PM   #2
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I have an '08 also and switched to 5w-30 over the manual suggested 5w-20 and i do not have any consumption issues. Did you change it or have it changed? Chances are if you took it somewhere they did the 5w-20. Is the Jeep new to you?

Change the oil now and put in the 30.

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Old 04-05-2012, 01:52 PM   #3
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Your check engine light had nothing to do with oil. You need to find out why that is on. You should also be checking your oil between oil changes. What were the results of the consumption test? Something in your story is missing. You don't just bring it in and they perform a consumption test. That is something they do over time.
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Old 04-05-2012, 02:34 PM   #4
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This is my first jeep.

I did leave out that I drove it for 1000 miles if I remember correctly. (for the consumption test)

The experience I had last time the oil pan was dry the check engine light came on. I was told after I brought it in to swap out the filter and add new oil that if the engine light doesn't go off in 24 hrs, bring it in. The check engine light went off within the specified time.
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Old 04-05-2012, 02:50 PM   #5
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I have 38K miles on my 07 JKUX, Bought used, I have about 1000 miles on it now (maybe) , The dealer where I bought it was changing the oil when I looked at the Jeep in the Service dept. ,So I know the oil was changed, Dip Stick was up to the FULL line.
After I put on 570 miles I had added about a quart and a 1/2 oil (5W-20). So I decided to change the oil and filter.
I used Penzoil 10-30 High Milage vehicle oil... So far I haven't used any oil that I can see on the dip stick.... But I only have a few hundred miles on this change.
This is a test, if it doesn't use any this time, then MAYBE I'll use Synthetic like I do in my other cars....But I'll be damned if I will put Synthetic in it at $6-$7.00 a quart just to watch it drain out the tail pipe.... Just me.
I understan this is "normal" for the Made in Mexico 3.8L engines with the upside down piston rings...
My engine runs great, nice and smooth, can't complain about it at all, other than it's oil consumption... "BH"
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Old 04-05-2012, 03:26 PM   #6
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You didn't check your oil in 3700 miles? Wow!
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Old 04-05-2012, 03:38 PM   #7
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This is a well known issue, and I'd expect there are a few potential causes.

I used the "advanced search" feature in the JK section to find threads with the word "oil" in the title. I scanned through them to find ones that were about oil consumption, and I found these thirteen before I got tired of going through the results:

(1) http://www.wranglerforum.com/f33/doe...ll-129630.html

(2) http://www.wranglerforum.com/f33/exc...use-44290.html

(3) http://www.wranglerforum.com/f33/oil-usage-147030.html

(4) http://www.wranglerforum.com/f33/3-8...on-145487.html

(5) http://www.wranglerforum.com/f33/rum...il-145084.html

(6) http://www.wranglerforum.com/f33/how...at-144324.html

(7) http://www.wranglerforum.com/f33/oil...on-142670.html

(8) http://www.wranglerforum.com/f33/oil...on-140463.html

(9) http://www.wranglerforum.com/f33/doe...ll-129630.html

(10) http://www.wranglerforum.com/f33/whe...go-116481.html

(11) http://www.wranglerforum.com/f33/oil-usage-125388.html

(12) http://www.wranglerforum.com/f33/using-oil-124697.html

(13) http://www.wranglerforum.com/f33/bur...one-64333.html

So I'd read over those threads and see whether there's any information to help you. I do know some folks have had good luck switching dino to synthetic, or synthetic to dino.

The bottomline though is that Chrysler's position is that unless you're burning more than a QUART every THOUSAND miles, your engine is "normal." So check your oil level frequently.

The good news is that there doesn't seem to be a lot of downside from the disappearing oil. Folks don't seem to be having other problems that would be connected to that. Oil just . . . disappears. Add more, and you'll be fine. Apparently.
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Old 04-05-2012, 04:07 PM   #8
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Thanks for all the input, I will read through those links.
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Old 04-05-2012, 05:59 PM   #9
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Mine was sucking up a quart every 750 miles while under warranty. The dealer simply filled it up and said it only needed a 1/2 quart, we never fill them all the way, completely normal, if you don't like it buy a new one.
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Old 04-05-2012, 06:28 PM   #10
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Call Jeep's customer care department about your fuel spit up. Many of us (myself included) had this issue resolved without charge. Jeep will replace the fuel tank. Mine was out of warranty with about 58K on it.
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Old 04-05-2012, 06:39 PM   #11
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BTW if your oil pan were dry, your engine would seize.
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Old 04-05-2012, 07:40 PM   #12
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Quote:
Originally Posted by 12JKUR View Post
Mine was sucking up a quart every 750 miles while under warranty. The dealer simply filled it up and said it only needed a 1/2 quart, we never fill them all the way, completely normal, if you don't like it buy a new one.
Wow, that's not normal at all, the dealer was lying big time.
I was burning a quart every 700 miles, complained to them, they run a consumption check, then they changed my engine just recently (plus a new syncro kit)
They were very cooperative, and great relief for me.
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Old 04-05-2012, 10:44 PM   #13
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Quote:
Originally Posted by 8a3t8 View Post
Hi All,

I have a 2k8 Wrangler X with 29k miles on it.

I had my oil changed 3700 miles ago and my check engine light just popped on. I went to check the oil and the pan was almost bone dry. No visible leaks or puddles.
How much oil did it take to fill to the full mark? You do realize the dipstick doesn't go all the way to the bottom of the pan? So even if the dipstick is dry there was likely still some oil in the pan.
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Old 04-06-2012, 07:44 AM   #14
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How much oil did it take to fill to the full mark? You do realize the dipstick doesn't go all the way to the bottom of the pan? So even if the dipstick is dry there was likely still some oil in the pan.

6 quarts to fill
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Old 04-06-2012, 07:58 AM   #15
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Quote:
Originally Posted by 8a3t8 View Post
6 quarts to fill
You are driving on borrowed time. If you are the original owner and have the lifetime powertrain warranty, you might be okay. They could still say it was abuse as you don't check your oil regularly as you should. Your best bet is to go to the dealer now and trade it in.

If you added 6 quarts then you were in fact driving with no oil. How long is anyone's guess, but that does imply that you were driving for some time on only a couple quarts. How it was making any noise is beyond me, but the damage is done. It's now a matter on when, not if, your bearings burn up.

On the bright side, if you were ever considering a Hemi swap, congratulations now is the time to do it!
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Old 04-06-2012, 09:21 AM   #16
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Quote:
Originally Posted by 8a3t8

6 quarts to fill


I assumed the "bone dry" thing was an exaggeration of the typical oil consumption complaints. This is a whole other level. Being 6 quarts low is way, way beyond normal.
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Old 04-06-2012, 09:25 AM   #17
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Again, it amazes me that someone doesn't check their oil even in vehicles that have no history of it let alone a Jeep.
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Old 04-06-2012, 10:17 AM   #18
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Again, it amazes me that someone doesn't check their oil even in vehicles that have no history of it let alone a Jeep.
Thats really helpful thanks
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Old 04-06-2012, 01:53 PM   #19
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Thats really helpful thanks
No problem. It is an expensive lesson on things that need to be done for any vehicle.
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Old 04-06-2012, 02:06 PM   #20
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Kind ofa late take on this, but-

If you added 6 qts, without a new filter----thats OVERFILL and can do light damage on cold starts-

I'd suggest starting with a new filter and 5-1/2 qts of syn 5w-30 oil-

Allways wait for engine cooldown before checking dipstick--at least 15 minutes-

Good luck and please refer toit as a '08 JK

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Old 04-06-2012, 09:53 PM   #21
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No problem. It is an expensive lesson on things that need to be done for any vehicle.

Even more helpful... thank you
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Old 04-06-2012, 09:57 PM   #22
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but jeeps are reliable!!!!!!!!
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Old 04-06-2012, 09:58 PM   #23
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Smile

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Originally Posted by JIMBOX View Post
Kind ofa late take on this, but-

If you added 6 qts, without a new filter----thats OVERFILL and can do light damage on cold starts-

I'd suggest starting with a new filter and 5-1/2 qts of syn 5w-30 oil-

Allways wait for engine cooldown before checking dipstick--at least 15 minutes-

Good luck and please refer toit as a '08 JK

JIMBO
Thanks for this post, it supports an earlier one. If I can't manage this problem with the service department, this will be my next move.
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Old 04-06-2012, 10:02 PM   #24
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but jeeps are reliable!!!!!!!!
i believe it... i don't mean to sound negative about my jeep... i do love it...
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Old 04-06-2012, 10:03 PM   #25
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Yeah and good luck !!


Quote:
Originally Posted by 8a3t8 View Post
Thanks for this post, it supports an earlier one. If I can't manage this problem with the service department, this will be my next move.
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Old 04-07-2012, 04:06 PM   #26
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I've noticed a similar problem on my 2009 JK - 44k miles, bought new, and I've religiously changed the oil every 5k myself with the recommended 5W-20, and no comsumption problems until this last change today. I usually check the oil every couple weeks, but for some reason, did not since I changed it in Dec. Dry dipstick. I just changed the oil and noted that it was 3 qts shy. Somehow, I burned 3 qts in the last couple months. Dry garage floor, no noticeable oil grime on the back, no noticeable smoke on the exhaust. Why would that happen, and why would switching to 5W-30 fix this problem?
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Old 04-07-2012, 04:19 PM   #27
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Switching to 5w-30 may not even be noticeable, but there are a lotta 5w-30 syn users that DON"T use any oil and I'm oneofem--it's just a basic denser synthetic--


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I've noticed a similar problem on my 2009 JK - 44k miles, bought new, and I've religiously changed the oil every 5k myself with the recommended 5W-20, and no comsumption problems until this last change today. I usually check the oil every couple weeks, but for some reason, did not since I changed it in Dec. Dry dipstick. I just changed the oil and noted that it was 3 qts shy. Somehow, I burned 3 qts in the last couple months. Dry garage floor, no noticeable oil grime on the back, no noticeable smoke on the exhaust. Why would that happen, and why would switching to 5W-30 fix this problem?
If you don't try, OK it's your jeep and you know the dealer won't do anything for you !

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Old 04-07-2012, 04:52 PM   #28
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I hear ya. I'd like to understand why the car is burning oil. If they recommend 5W-20, and I use 5W-30 and it fixes this, why wouldn't they recommend 5W-30?
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Old 04-07-2012, 05:12 PM   #29
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--google JK using oil--


Quote:
Originally Posted by muzwolskee View Post
I hear ya. I'd like to understand why the car is burning oil. If they recommend 5W-20, and I use 5W-30 and it fixes this, why wouldn't they recommend 5W-30?
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Old 04-07-2012, 05:45 PM   #30
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thanks. Appreciate the link!

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