Oil burning 3.8? Has anyone tried MOPAR CCC? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 12 Old 10-11-2011, 06:21 PM Thread Starter
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Oil burning 3.8? Has anyone tried MOPAR CCC?

I bought a 07 Rubicon Unlimited with 39k about 1.5 years ago. During oil changes I did notice that I would be about a quart down, every 5k. About 8 week ago I noticed increased consumption, about 1 quart every 2k. I started to do some research... noticed lots of complaints about this issue. Obviously a trend with the 3.8 in the JK's (or in general). I tried a new PCV valve... quick easy thing to try... but It didn't seem to help my oil consumption issue (I still noticed consumption after 500 miles). I kept digging....

I found a thread out there about the issue and one possible fix that I didn't read about in these forums... MOPAR CCC (Combustion Chamber Cleaner). about 9$ at the dealer. I read a few different ways to use it (seems everyone has their own version)... I used 2 cans (two applications, not 2 cans at once).

I don't want to be premature, but after 2000k miles, I have 0 quarts of oil consumption. My gut tells me I will find some oil consumption after 5000k if I let it go that long.....

Either way, the MOPAR CCC seems to have solved my oil consumption issue on my 3.8 so far! After 1500k, I changed my plugs, the stock plugs looked ashy, gray-white. No oil on the plugs, but they did look old (glad I replaced them before the 100k mark).

Lots of you-tube vids of people using the CCC on other vehicles. Someone else should give this a try to see if the results are reproducible.
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post #2 of 12 Old 10-11-2011, 06:42 PM
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Did you just follow the directions on the can? I'm having some oil consumption issues like yours but no visible leak anywhere.

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post #3 of 12 Old 10-11-2011, 06:48 PM
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That sounds good, but I cannot see why it would fix any sort of oil consumption issues. Shouldn't affect the sealing of your rings, it's intention should be to remove carbon from the piston/back of the valves. Unless it somehow treated a potential valve seal problem that was causing consumption.

Hope it works out for the long run, keep us posted.

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post #4 of 12 Old 10-11-2011, 06:53 PM Thread Starter
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I put the whole can into the throttle body and then let it sit for a few hours. After that, I started it up (had to try a few times) and then reved it up to about 3 and back down again.. over and over... once it heated back up, it blew out some smoke (gray-white).. after it stopped smoking I took it for a drive.

If you do some searching, there are many many ways which people tell you to use it... some even say to change the oil after, and some say to use a 2nd can in the pistons directly..... I went the simple approach 1st.
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post #5 of 12 Old 10-11-2011, 08:52 PM Thread Starter
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I'll try to find the link... it was something about carbon buildup on the oil channel or oil guide... nothing about seals at all from what I was reading. I know I don't drive my JK all that hard... trying to get better MPG.. I think being so lean on the gas might accumulate carbon buildup. I've been better about putting my foot in the throttle a bit now and then, maybe help keep some of the buildup down. I'll see if I can dig that link up.
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post #6 of 12 Old 10-11-2011, 10:02 PM
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Quote:
Originally Posted by bmacauto View Post
I'll try to find the link... it was something about carbon buildup on the oil channel or oil guide... nothing about seals at all from what I was reading. I know I don't drive my JK all that hard... trying to get better MPG.. I think being so lean on the gas might accumulate carbon buildup. I've been better about putting my foot in the throttle a bit now and then, maybe help keep some of the buildup down. I'll see if I can dig that link up.
im interested, i did a engine flush with 40,000 miles and added some lucas oil stabilizer and gained some mpg. my jeep is burning about a quart ever 3000 miles
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post #7 of 12 Old 10-11-2011, 10:33 PM
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ive seen oil consumption caused by worn valve guides...


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post #8 of 12 Old 10-12-2011, 09:16 PM
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do you have the part # handy? i found 4318001AD after a quick google search... wondering if that's the same thing you used.

http://www.factorymoparparts.com/4318001ad.html

no pic or description other than "Mopar Part 4318001AD COMBUSTION CHAMBER CLEANER".

i believe i'll try this too... it's cheap enough

thanks for the heads up!


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post #9 of 12 Old 10-12-2011, 09:19 PM
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I used 5w30 had no oil consumption at 4,000 miles
Next oil change I used 5w20 and at 4,000 miles I was a quart low.
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post #10 of 12 Old 10-12-2011, 09:57 PM
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FYI... Found a write-up on jeepsunlimited.com:

http://www.jeepsunlimited.com/forums...hamber+Cleaner

...and several other threads referencing the same 4318001xx part number, so must be it

I really need to try this. Been pinging pretty bad on the last 3 fill-ups. Tried different gas station last time, but still pinging. Oil consumption increased recently as well (1 quart low @ 3,700 miles - was only 1/2 quart low @ the previous two 5,500 mile oil changes). Coincidence???

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post #11 of 12 Old 10-13-2011, 05:49 AM
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Sees like you use it the same way you would Sea Foam and it gives the same results. Blows smoke out for a few minutes then all is well.

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post #12 of 12 Old 10-13-2011, 06:57 AM Thread Starter
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Yep, that's the part number. I saw that write up as well... the one I was trying to find again actually had a service bulletin on the 3.8 and carbon build up (side effect was oil consumption)... I've read a few places that the MOPAR CCC is better than Seafoam... I have had used seafoam on all my 2-cycle boats.

I still can't find that link to the service-tech write up. It was interesting. I also run 5w30.... I wonder if my oil consumption would return if I switched to the OEM 5w20.
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