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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.
View Poll Results: Have you had any motor problems with your 3.8L
Yes: Under 40,000 Miles
5
2.45%
Yes: Over 40,000 Miles
11
5.39%
No: Under 40,000 Miles
125
61.27%
No: Over 40,000 Miles
63
30.88%
Voters: 204. You may not vote on this poll

How many have had problems with their 3.8L

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Old 04-06-2011, 10:25 AM
  #41  
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3600 miles on my 2011 Sahara and the biggest problem I have experienced is not enough free time to do all the driving I want to do. Other then that runs great, the misses wants to get another one now. Maybe a 2 door Rubi.
Old 04-06-2011, 12:07 PM
  #42  
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2007 JK x 2 door , 63k miles and just had left exhaust manifold replaced due to it
cracked causing exhaust leak but thats it , nothing major
Old 04-07-2011, 02:03 PM
  #43  
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2010 JKU Rubicon 6spd, 25,000 km with an Airaid CAI.
Dealer serviced every 5,000 km and down a quart every change. The dealership tells me it's natural.

I've heard the CAI can "help" add to the minor oil consumption.

It other stays consistent and that's that or the engine eventually goes and another one gets installed in their dime.
Old 04-07-2011, 02:58 PM
  #44  
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2008 rhd x with 105,000 miles. Used on mail route daily. Doesn't use a drop of oil and runs strong!
Old 04-07-2011, 10:53 PM
  #45  
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Originally Posted by cowboyxjon
My 2007 (35,000 miles) doesn't burn any oil between changes, but I'm somewhat worried about it because it has that sewing machine 'tick' sound.
My 10 Rubi has this also, everything is running fine just makes an odd sound for a motor.



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