Notices
Stock JK Tech Bulletin board forum regarding issues with OE (original equipment) components of the Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) such as factory suspension parts, engine, transmission, body parts, interior fixtures and the on-board computer.
Sponsored by:
Sponsored by: DashLynx

Oil sucking 3.8

Thread Tools
 
Old 09-03-2011, 06:29 AM
  #1  
JK Enthusiast
Thread Starter
 
Smizar's Avatar
 
Join Date: Mar 2011
Location: Ca
Posts: 140
Likes: 0
Received 0 Likes on 0 Posts
Default Oil sucking 3.8

How many of you have issues with your 3.8's using to much oil?
Old 09-03-2011, 06:45 AM
  #2  
JK Super Freak
 
dmwil's Avatar
 
Join Date: Aug 2007
Location: Danville, Indiana
Posts: 1,448
Received 41 Likes on 35 Posts
Default

Originally Posted by Smizar
How many of you have issues with your 3.8's using to much oil?
Me. I'm not sure that it is outrageous yet, but it is certainly more than any other engine I've had. I switched to 5w/30 oil and will be replacing my pcv valve this weekend. I've hared that some on the forum have reduced oil consumption by replacing the pcv.

My engine has almost 60k miles on it and it runs perfectly, so I'm not really sure what to make of it. I think I'm using about 1 quart every 2k miles.
Old 09-03-2011, 08:10 AM
  #3  
JK Enthusiast
 
tjt94's Avatar
 
Join Date: Aug 2011
Location: El Centro, CA
Posts: 109
Likes: 0
Received 0 Likes on 0 Posts
Default

1 quart every 2K is not an oil user. A quart every 800 to 1K would be though. Nevertheless, mine does not use any oil and I live where it is seriously hot, 115 - 120 every day for the last month.
Old 09-03-2011, 08:15 AM
  #4  
JK Super Freak
 
webejeepin's Avatar
 
Join Date: Mar 2010
Location: Ontario Canada
Posts: 1,182
Likes: 0
Received 0 Likes on 0 Posts
Default

There's a good number of threads on this topic here, try a search and read up, may help you out.
Old 09-03-2011, 08:58 AM
  #5  
Super Moderator
 
Ryan0260's Avatar
 
Join Date: Jun 2011
Location: Hendersonville, Tennessee
Posts: 11,035
Likes: 0
Received 80 Likes on 72 Posts
Default

Yep same here. Used 2 1/2qts in 3k. And it also has the pinging issues. That is almost half of it's oil capacity in 3k. This is not acceptable. I have started a consumption test at dealership so not sure what tje outcome will be yet. May switch to 10w30 but honestly when chrysler builds an engine that recommends 5w20 then it should be able to run on that and not consume oil...
Old 09-03-2011, 10:38 AM
  #6  
JK Enthusiast
 
Kevo's Avatar
 
Join Date: Jan 2011
Location: Blue ridge, ga
Posts: 236
Likes: 0
Received 0 Likes on 0 Posts
Default

Mie has 84k and was using 2 qurts in 3k I switched to rotella 5w40 and is now at 1 quart
Old 09-03-2011, 12:00 PM
  #7  
JK Enthusiast

 
pcmasten's Avatar
 
Join Date: Feb 2010
Location: San Jose, Ca
Posts: 392
Received 3 Likes on 3 Posts
Default

Seems to me that if you're using that much oil you either have a leak or you're blowing it out the tailpipe. I'd look at the rings.
Old 09-03-2011, 12:28 PM
  #8  
JK Enthusiast
 
tjt94's Avatar
 
Join Date: Aug 2011
Location: El Centro, CA
Posts: 109
Likes: 0
Received 0 Likes on 0 Posts
Default

What do your spark plugs look like?
Old 09-03-2011, 02:07 PM
  #9  
JK Enthusiast
 
magnum306's Avatar
 
Join Date: Nov 2010
Location: Bridge City, Tx.
Posts: 133
Likes: 0
Received 0 Likes on 0 Posts
Default oil consumption issues

Originally Posted by Smizar
How many of you have issues with your 3.8's using to much oil?
The earlier v-6 engines has consumption problems. If you have an 07' or 08' you might have some issues.Good luck and keep an on it.
Old 09-03-2011, 03:03 PM
  #10  
JK Super Freak
 
dmwil's Avatar
 
Join Date: Aug 2007
Location: Danville, Indiana
Posts: 1,448
Received 41 Likes on 35 Posts
Default

Originally Posted by tjt94
1 quart every 2K is not an oil user. A quart every 800 to 1K would be though. Nevertheless, mine does not use any oil and I live where it is seriously hot, 115 - 120 every day for the last month.
That's a very conservative estimate, with Mobil 1 5w-20. I ran M1 0w-20 and it ate a quart every 1k. I'm going to see how much it uses over the next 1k.

Also, 1 quart every 2k is an oil user to me. I've never had an engine use more than a cup every 3k miles, and most engines I've ever had used no oil at all. None of my other vehicles uses so much as a drop. My Chevy van has a 6.0 liter that gets an oil change every 9k miles. It doesn't use a drop of oil over the entire interval. (I run Pennzoil Platinum, Mobil 1, or Quaker State Synthetic, depending on which is on sale. That engine has no usage with any of them.)


Quick Reply: Oil sucking 3.8



All times are GMT -8. The time now is 11:16 PM.