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2019 Wrangler JL "Whoop Whoop" sound driving , goes away when ...

Discussion in 'Wrangler JL (2018+)' started by mikeceli, Jun 6, 2023.

  1. Jun 6, 2023 at 9:47 AM
    #1
    mikeceli

    #1
    mikeceli [OP] New Member

    Joined:
    Jun 6, 2023
    Member:
    #7835
    Messages:
    3
    Gender:
    Male
    First Name:
    Michael
    Vehicle:
    2019 Jeep Wrangler Unlimited 2.0 AT JL
    Hi Michael new here.

    My wife Debbie and I recently left Cali for BEAUTIFUL, ST. George UTAH! My background includes 25 Years in the Auto Repair Business, followed by 20 Years as a Police Officer. We are now retired! God Bless You and Yours!

    My Hi My good friend /neighbor has a 2019 Jeep Wrangle Unlimited that is making a strange noise, above 40 MPH.
    It is a "Woop-Woop" sound, from the front end, that BEGINS AT 40 MPH and GOES AWAY, as soon as you put it IN 4WD.

    The beginning of the VIN is 1C4HJXDN6KW **. it has 2.0 L ENGINE, AT and 12 bolt front differential. Electronically locking front hubs.

    Any suggestions? I thought perhaps the 4 WD Engagement Lever is not adjusted correctly.

    Anyone have a shop manual who could post the 4WD engagement system Inspection and Adjustment pages?

    Thank you so much!
     
    Last edited: Jun 6, 2023
    mikeceli, Jun 6, 2023
    #1
  2. Jun 8, 2023 at 9:07 AM
    #2
    mikeceli

    #2
    mikeceli [OP] New Member

    Joined:
    Jun 6, 2023
    Member:
    #7835
    Messages:
    3
    Gender:
    Male
    First Name:
    Michael
    Vehicle:
    2019 Jeep Wrangler Unlimited 2.0 AT JL
    Can anyone tell me what front axle the Wrangler has? Or how to figure it out, visually or numbers on it?
     
    mikeceli, Jun 8, 2023
    #2
  3. Jun 25, 2023 at 12:57 AM
    #3
    shooter65

    #3
    shooter65 Well-Known Member

    Joined:
    Jun 19, 2023
    Member:
    #7893
    Messages:
    61
    Gender:
    Male
    Southwest PA
    Vehicle:
    2023 Rubicon 4 Door
    shooter65, Jun 25, 2023
    #3
  4. Jun 25, 2023 at 10:14 AM
    #4
    mikeceli

    #4
    mikeceli [OP] New Member

    Joined:
    Jun 6, 2023
    Member:
    #7835
    Messages:
    3
    Gender:
    Male
    First Name:
    Michael
    Vehicle:
    2019 Jeep Wrangler Unlimited 2.0 AT JL
    Thank you "shooter65" ! Trying to fix the noise, my car guy, but not a mechanic installed, one or both new front hub (wheel) bearings, new front driveshaft, removed the Transfer Case and had it torn down, inspected and reassembled, pulled front diff cover and visual inspection.

    We are gonna open up the FAD (Front Axle Disconnect) and have a look there.

    I am gonna recommend he take it to Jeep dealer, or specialist, to drive the car and see if the noise he is chasing is NORMAL. I heard the noise and opined that it was not a "Gonna Come Apart Now" noise, but unusual and maybe a problem. I never drove a Jeep before.

    Thanks, all.
     
    mikeceli, Jun 25, 2023
    #4
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