2009 3.8 Where's my oil going? - Page 3 - JeepForum.com
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Unread 08-04-2013, 01:21 AM   #31
pentastarguy
Web Wheeler
2012 JK Wrangler 
 
Join Date: Dec 2011
Location: sussex, new jersey
Posts: 6,629
if anyone cares, my 08 uses 1/2 quart every 6000 miles, which is when i change the oil. 82000 miles on the odo.

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Unread 08-04-2013, 09:25 AM   #32
Jiblet
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2008 JK Wrangler 
 
Join Date: Dec 2008
Location: Boston, MA
Posts: 949
Quote:
Originally Posted by TRAUMAhead View Post
Same. 2010, burned no oil till about 55-60k, now it's 1 quart every 1k-1.5k miles. Been using Dino for all it's mileage, going to switch to synthetic on the next oil change.
have you checked (changed) the PCV valve?
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Unread 08-06-2013, 12:22 AM   #33
TRAUMAhead
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2010 JK Wrangler 
 
Join Date: Apr 2008
Location: Bakersfield
Posts: 88
Quote:
Originally Posted by Jiblet View Post
have you checked (changed) the PCV valve?
I swapped it out about 5k miles ago, no change. I'm at 72k right now.
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Unread 08-06-2013, 12:23 AM   #34
TRAUMAhead
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2010 JK Wrangler 
 
Join Date: Apr 2008
Location: Bakersfield
Posts: 88
Double post.
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Unread 08-06-2013, 07:18 AM   #35
Jiblet
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2008 JK Wrangler 
 
Join Date: Dec 2008
Location: Boston, MA
Posts: 949
Quote:
Originally Posted by TRAUMAhead View Post
I swapped it out about 5k miles ago, no change. I'm at 72k right now.
Bummer.
Another thought, if you do switch to syn after a long time with conventional, it's reported that the extra cleaning power in some syn formulations can expose otherwise hidden leaks.
Syn formulations generally require fewer viscosity modifiers in the add packs which leaves room for higher concentrations of detergents, etc.
I'm not suggesting the oil loss will get worse, just that it's a possibility.
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