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Old 08-18-2016, 01:03 PM
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Blue Smoke on Start - Deal says 'oil level is fine'

So I have narrowed my issue down to a nose up grade cold start that causes my 14 GC 5.7 to puff a blue cloud of smoke. I have video of it and have taken it to my dealership. I was about 1/2 due to my next oil change and the mechanic said "let's see if any oil has burned off". He said it had not. That was as far as they were willing to take it. As it is not something they (nor I) can re-create I feel they are trying to was their hands off it until I am past warranty.

Any suggestions?

Seems like a leaky valve stem but I cant force them to pull it apart to find out.

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Old 08-18-2016, 01:21 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

Maybe you have the wrong dipstick. There is a TSB about this:

http://www.wk2jeeps.com/tsb/tsb_wk2_0901015.pdf
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Old 08-18-2016, 03:01 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

Quote:
Originally Posted by Pinch View Post
Maybe you have the wrong dipstick. There is a TSB about this:

http://www.wk2jeeps.com/tsb/tsb_wk2_0901015.pdf
Letting it idle on a mild uphill slant on a hot day may trigger blue smoke on next startup.

Letting it idle pretty much level on a hot day may trigger blue smoke on next startup.

I suspect that folks like me too cheap to install a catch can may also get a blue smoke could via that path.

If it bothers you, check your dipstick, and fill marks.

Mine does it roughly once every blue moon... but at 50K miles, I have yet to use one gallon bottle of Pennzoil dino fart full synth as top up between oil changes, so it appears entirely harmless.

I guess you could grab a blanket and try to send smoke signals for the few seconds that it does it.
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Old 08-18-2016, 03:42 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

My 300 has blue smoke on start up after sitting for a long period. I am wondering if it is due to no catch can.
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Old 08-18-2016, 03:43 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

It's the dipstick, for sure. Our 2015 did it to. If you get the revised dipstick, you'll see it's overfilled. It takes 7 quarts, no more.

7 quarts on the old dipstick shows at the lower limit, so most people add more and overfill. I never had an issue again after I changed the dipstick and properly filled it. Previously we would get random smoke particularly after parking on an incline.

Good luck!!
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Old 08-18-2016, 03:48 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

Quote:
Originally Posted by Pinch View Post
Maybe you have the wrong dipstick. There is a TSB about this:

http://www.wk2jeeps.com/tsb/tsb_wk2_0901015.pdf
The old and new revised dipstick are in the TSB. It's easy to verify. There are a couple of threads about it.
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Old 08-18-2016, 04:36 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

Depending on the build date, there is a TSB for early 14s that calls for an oil pan replacement. Check the TSBs in section 9, engine. I can't figure out how to link to the specific TSB from my tablet.

Jeep Grand Cherokee WK2 - 2011-2016 Grand Cherokee Service Bulletins and Recalls

It is dated 10/9/13

Whether they can duplicate it or not, the TSB instructs that if the customer describes the issue, do the repair. Your vehicle just has to fall within the defined build dates.

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Old 08-18-2016, 04:59 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

I think that whole thing with new oil pans, windage trays, software was a bunch of crap because the designers(also dipsticks) didn't realize they were using the wrong dipsticks and came out with some unnecessary elaborate fix. my MY14 (march 2013 build) was an early build and as soon as I put the revised dipstick in mine I never had a single bit of blue smoke again.
The problem was you can put the correct 7 quarts in when its changed but say you check it in 1000 miles down the road or whatever and it shows a quart low so of course you dump a quart in to bring it to full. now not realizing it you are at 8 instead of 7 and blowing blue smoke. it took them years to figure it out but at least they finally did
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Old 08-18-2016, 05:13 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

Hemi's need catch can's i have to empty my BT catch can 2 or 3 times between oil changes.
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Old 08-18-2016, 05:54 PM
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Quote:
Originally Posted by xJoshxx View Post
Hemi's need catch can's i have to empty my BT catch can 2 or 3 times between oil changes.
I know a lot of people on here like them but I don't fully understand. I change my own oil and if I fill it to full and after 5k miles it's still sitting there right at full what would it have done for me?
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Old 08-18-2016, 06:53 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

Quote:
Originally Posted by silvermax04 View Post
I know a lot of people on here like them but I don't fully understand. I change my own oil and if I fill it to full and after 5k miles it's still sitting there right at full what would it have done for me?
your not going to notice a huge difference on the oil dipstick, your not burning it it's the PCV blow by that would normally get fed back into the intake to be Re-burned.. basically over time the intake can get gummed up.

I would say at least 4-6 oz every oil change on my 6.4L that i've saved from being burned through the intake.

Not needed, to each their own.
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Old 08-18-2016, 07:06 PM
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Re: Blue Smoke on Start - Deal says 'oil level is fine'

Quote:
Originally Posted by silvermax04 View Post
I know a lot of people on here like them but I don't fully understand. I change my own oil and if I fill it to full and after 5k miles it's still sitting there right at full what would it have done for me?
Not all that important except on direct injection engines. With those, the fuel doesn't aid in cleaning the valves. I would hazard a guess that a very small percentage of HEMI owners ever heard of a catch can and never suffer any noticeable consequences.

IMHO of course.

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