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Rear end knocking after shutting off engine.

Discussion in 'General Jeep Discussion' started by Clean_93, Nov 30, 2019.

  1. Nov 30, 2019 at 9:06 AM
    #1
    Clean_93

    Clean_93 [OP] Member

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    93 5.2 zj 4x4. Getting ready to do some maintenance. Starting with washing it. I pull into the self serve stall at the car wash and shorty after shutting the engine off I'm sitting here checking some prices and "bang"... ... "clunk" - noises are coming from what sounds like the rear differential. Releasing pressure? Bad gear? Any ideas ?
     
  2. Nov 30, 2019 at 11:26 AM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine Moderator

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    Wow.....not sure what could make noise back there with Engine off, not moving. Maybe a purge system?
     
  3. Nov 30, 2019 at 12:18 PM
    #3
    Clean_93

    Clean_93 [OP] Member

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    I know right. Surprised the crap outta me. Maybe a purge thing is what I'm leaning on. I happens especially after the drivetrain has to work hard bouncing and moaning around parking lots and tight maneuvers.. new u joints and rubbers all around to tighten it all up so we'll see. gonna go grease everything today . It's all coming out and being replaced at some point so meh, I just wont beat on er'. The time will come haha.
     
  4. Nov 30, 2019 at 1:04 PM
    #4
    aggrex

    aggrex Well-Known Member

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    DE
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    Tuffy>AEV>TTO>JW>STech>EVOcage>MagnaFlow>SpiderTrax>RockHard>TF>SpringTail>67design>Bolt>GPCA>Curt>
    Unusual to have any clunk noise from the rear end when parked. Perhaps frozen calipers or parking brakes
     
  5. Nov 30, 2019 at 7:57 PM
    #5
    JKBob 25

    JKBob 25 Well-Known Member

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    Fast forward to your video @Clean_93 . Is this the same issue?
     
  6. Nov 30, 2019 at 8:02 PM
    #6
    Clean_93

    Clean_93 [OP] Member

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    @JKBob 25 no not the same one. I dont know if they're related either. We gon get er smoothed out though.
     

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