3.8L excessive oil consumption - Page 8 - JeepForum.com

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post #106 of 123 Old 11-04-2011, 10:38 AM
ncb
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The engine in my 2009 was assembled in the US and it burns about one quart every 3K miles.

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post #107 of 123 Old 11-04-2011, 02:48 PM
BlueLesPaul2006
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Quote:
Originally Posted by PanthersFan View Post
Until we know the scope and extent of this issue, we don't know if it is a problem at all. Nobody in this thread seems to know how big the problem is. Is it 1 in 10? Or 1 in 1,000?
Well my 2008 was a oil burner so I traded it in on a new 2012. The problem was to big for me to want to deal with.

OK, then...the hood is not supposed to flop up and down??

Dang, all this time and I thought it was the famous Jeep Wave!! ~bluegrassguitar
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post #108 of 123 Old 11-04-2011, 03:19 PM
ncb
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It's definitely a PITA, but I carry a quart of oil in my tool/supply kit. I check it once a week to be safe. I'm too cheap to take the hit on trading it in for a new one.
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post #109 of 123 Old 11-04-2011, 05:58 PM
BlueLesPaul2006
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Quote:
Originally Posted by ncb View Post
It's definitely a PITA, but I carry a quart of oil in my tool/supply kit. I check it once a week to be safe. I'm too cheap to take the hit on trading it in for a new one.
I did well on the trade and deal for the 2012. But yes you always take a hit of some size.

OK, then...the hood is not supposed to flop up and down??

Dang, all this time and I thought it was the famous Jeep Wave!! ~bluegrassguitar
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post #110 of 123 Old 11-04-2011, 10:29 PM
Thunderstrike
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My 2009 has 50,000 miles on it and doesn't use a drop of oil. I've always used 5W-30.

Actually, 5 qts of 5W-30 and a quart of 10W-30. Mobile-1 synthetic with Pure One filter.

The 5W-20 is too thin and causing premature wear of piston ring. Strickly my speculation, of course.

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post #111 of 123 Old 11-05-2011, 12:04 AM
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To the OP, have you asked if Chrysler has an oil monitoring program? A few years ago my wife's 2 month old new VW started eating oil too ...out of the blue. Dealer wouldn't do nothing so I kept adding oil for a month or two until I got fed up with it and found via the Internet they wouldn't do anything unless I specifically requested the car be put on their oil monitoring program. You'd think the dealer would have suggested this up front but no, i had to request it. Then for about a month I took the car in to get topped off with fluid every time the dip stick got to the 'Add' mark. The dealer would record the amount of oil added, mileage, etc. and it wasn't long until they called me and said VW wanted me to bring the car in. About 2 weeks later it had a new engine.

What caused the problem? About a week before it started eating oil the dealer replaced 2 glow plugs (the car is diesel - TDI). Well they over torqued the glow plugs and they broke and the engine ate them ...
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post #112 of 123 Old 11-06-2011, 08:44 PM
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07 two door rubi with 40k and change...no oil burnage here. And in my opinion burning any more than a quart per 3000 miles is terrible. For those folks burning a quart every 1000....I would expect you are having fouled plug and gas mileage issues too. I'm curious what your plugs and valves look like.

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post #113 of 123 Old 11-07-2011, 08:07 AM
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Chrysler states the 1 quart/1000 miles is not overly excessive! And no fouled plugs here, the PVC valve is fine, & no excessive fuel mileage problems! It's not a problem for me anymore now that i've switched to 5w-30. I haven't added a quart since making the switch!
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post #114 of 123 Old 07-14-2013, 09:18 PM
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2008 Jeep 4 Door Sahara Burning Oil

I have the same problem as many others in this thread.
So it looks like those that have taken their Jeep to the dealer for service just get the run around
Hard to believe as burning a quart of oil per 1K miles is NOT Normal.
This is my 4th Jeep and have never had a problem burning oil with previous vehicles.
My mechanic (not a jeep dealer) told me he has seen 6 2008 Wranglers with this problem over the past year. He said I should purse it with Jeep Headquarters and maybe I'll get a favorable response.
I'm beyond my 3 yr warranty, but the power train warranty should still be available to work a claim.
Has anyone tried to file a claim with Jeep in headquarters in Detroit?
You receive a claim # and get in contact with the regional service rep.
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post #115 of 123 Old 07-14-2013, 11:28 PM
herculz
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Have my 2010 and first breakin oil change was at dealership then nothing else but royal purple and royal purple oil filter, no oil loss or issues. Maybe mine got lucky since its at 87k right now.
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post #116 of 123 Old 08-20-2013, 04:53 PM
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Any drawbacks to 5w30?

I bought my '07 used with 18K at the end of 2010. It needs a qt every 1000 miles and has since I got it. Even my '85 GW doesn't eat that much oil. I feel like the 3.8L in my wife's 2001 Chrysler T&C must be the same engine as my 2007 JK, and it is spec'ed for 5w30. Can anybody comment whether they know those two engines to be the same design?
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post #117 of 123 Old 08-22-2013, 11:43 PM
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Oil

Royal Purple is good but there are better oils out there, Lucas Syn for one. My son besides three Jeeps has a MR-2. Their engines are a Yamaha 4-banger turbo. He found a 1.5 oil psi. pressure gain when he switched to Lucas from Royal Purple. He had gained 2 psi when he had switched to Royal Purple from Mobil One. At idle. Viscostity(sp) break down.

When we were looking for 2013, another family were looking for one as well, he complained about oil consumption on his 3.8. I think the 3.8 in a Un were being flogged pretty hard. They didn't have that rep in minivans. Sorta reminds me of driving behind a kid in a Civic.
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post #118 of 123 Old 08-24-2013, 10:59 AM
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2011 jk, 100km. No oil loss at all. Engine runs mint
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post #119 of 123 Old 08-24-2013, 11:09 AM
SoK66
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The issue seems to be more prevalent in the 07 - 09 range but is not a universal condition.

Jeeps: Where my 401(k) went to die!
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post #120 of 123 Old 08-24-2013, 11:10 AM
deftones07
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Oh i see! Im guessing by the end of the 3.8 (2011) all the bugs have been worked out
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