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Thread: 2002 EXT 50k miles, intermittent popping sound from under vehicle.

  1. #1
    EXT808 is offline Cadillac Owners Member
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    2002 EXT 50k miles, intermittent popping sound from under vehicle.

    While driving straight, after about 10 min of driving I hear a popping or clicking noise coming from under the vehicle. Its intermittent 4 to 6 clicks every 2 minutes then goes away then comes back after driving about 1 mile. It happens while driving at speeds above 10 MPH, just changed front and rear diffs and tranfer case oils also lubed front suspension ball joints and rod ends. Please help


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  3. #2
    the cadillac man's Avatar
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    Re: 2002 EXT 50k miles, intermittent popping sound from under vehicle.

    did you check the u-joints on the prop shafts

  4. #3
    EXT808 is offline Cadillac Owners Member
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    Yes, there in good shape. Thanks

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    Re: 2002 EXT 50k miles, intermittent popping sound from under vehicle.

    did you check the wheel hubs to see if the bearings are going bad.

  6. #5
    EXT808 is offline Cadillac Owners Member
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    Thanks going to check it out this weekend .

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    Re: 2002 EXT 50k miles, intermittent popping sound from under vehicle.

    one way to tell is if the noise comes and goes when you go around turns if yes then one or both of the bearings needs replacing.

  8. #7
    EXT808 is offline Cadillac Owners Member
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    Not on turns always straight driving.

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    the cadillac man's Avatar
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    Re: 2002 EXT 50k miles, intermittent popping sound from under vehicle.

    Quote Originally Posted by EXT808 View Post
    Not on turns always straight driving.
    time to check the wheel hubs as the wheel bearings is worn which way do you not hear the noise left or right.

  10. #9
    EXT808 is offline Cadillac Owners Member
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    This thread was from EROCK1 last year, sounds like my truck just want to know what fixed his truck. Thanks Cadillac man gotta get my 34mm socket for my hubs this weekend.


    I have a funny front end noise that happens at random.
    It will happpen going stright. Doesn't matter if your on the gas or costing.
    Driving on a smooth road.
    Sounds like it's coming from the left front.
    It will pop/click like two, three or four times in a row at random.
    Sounded like the inner wheel well hitting the tire but I looked everything over and that seems fine. Took the front wheels off.
    Half shafts and bearings seem ok to.
    Never seen anything like this.
    I don't get any feedback in the truck like something is binding or anything either.

  11. #10
    EXT808 is offline Cadillac Owners Member
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    Finally found the problem, it was my parking brake shoes. The driver side shoes came off the assembly. Thanks for all the help.

  12. #11
    the cadillac man's Avatar
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    Re: 2002 EXT 50k miles, intermittent popping sound from under vehicle.

    glad to help.


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