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3.8 Engine issues

Discussion in 'Wrangler JK (2007-2017)' started by ThatOrangeJK, Jan 19, 2017.

  1. Jan 19, 2017 at 10:21 AM
    #1
    ThatOrangeJK

    ThatOrangeJK [OP] New Member

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    I know there are common issues with this engine and I just now started having problems. I own a 2010 Wrangler Sport mountain edition with roughly 68k miles, a few weeks ago I started hearing a faint ticking sound that would only occur if I was accelerating. But I've noticed this issue get worse day by day, at start up it's non stop until it idles down to normal, when I'm driving it only happens when I accelerate (now at all speeds) it's a constant noise, I have been told it could be anything from an exhaust leak, to piston slap, and or bad lifters. I do have a few videos of this noise, I will post them if it would be of any help. Thank you
     
  2. Jan 19, 2017 at 11:21 AM
    #2
    AceMan

    AceMan Active Member

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    Georgia Mountains
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    2010 wrangler unlimited
    Howdy,
    I have a 2010 wrangler Sahara with the same engine and at times hear the same noise. I have chalked it up to the vehicle being under powered which it is. I could be wrong. Newer Jeeps have a bigger engine which makes a lot is sense. Thinking about re powering with diesel.
    AceMan
     
  3. Jan 19, 2017 at 11:23 AM
    #3
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine Moderator

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    Welcome!
     
  4. Jan 19, 2017 at 1:02 PM
    #4
    OFFGRID

    OFFGRID Well-Known Member

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    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Could be exhaust leak or lifter. To me, exhaust leaks have a definite metallic clang, where as the lifter sounds like a muffled tick. Pulleys can also cause ticks.
     
  5. Jan 19, 2017 at 1:12 PM
    #5
    ThatOrangeJK

    ThatOrangeJK [OP] New Member

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    this is the current noise
     

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