poping sound when changing directions
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  • 2 Post By MoistCabbage
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  • 2 Post By Mr.electric
Cadillac DTS Forum - 2006 through 2012 Discussion, poping sound when changing directions in Past Cadillac Vehicle Discussion; Hello gang, I noticed that when backing up (lets say out of a parking space) and then placing the car ...
  1. #1
    Gomaz's Avatar
    Gomaz is offline Cadillac Owners Fanatic
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    Question poping sound when changing directions

    Hello gang,
    I noticed that when backing up (lets say out of a parking space) and then placing the car in drive there is a poping sound on the 1st press of the break. after the 1st pop i don't hear it anymore. Seems like it the car is moving fwd and i change direction it pops, same if im moving backwards for the 1st time it pops. sounds like its comming from the front end

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  3. #2
    grullon10's Avatar
    grullon10 is offline Cadillac Owners Fanatic
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    Is the sound happening when you move the steering wheel. If it is it may be coming from one of the strock mount.

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    Or one of front spring is of center.

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    Mr.electric is offline Cadillac Owners Member
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    Brake pads moving in the caliper cause that sound sometimes. If that is the cause it is nothing to worry about.

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    Gomaz's Avatar
    Gomaz is offline Cadillac Owners Fanatic
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    Re: poping sound when changing directions

    not when moving the steering wheel just when changing directions and pressing the brake.

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    Quote Originally Posted by Mr.electric View Post
    Brake pads moving in the caliper cause that sound sometimes. If that is the ca use it is nothing to worry about.
    I hop ethat is all it is. So i would just tighten the caliper or should i take it in to have a garage do it?

  6. #5
    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    Not a loose caliper, moving brake pads. Possibly a loose or missing pad retainer.
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    Re: poping sound when changing directions

    Could very well be a loose wheel. Sounds unlikely but this happened to my boss a few years ago. He did a brake job on his '08 CTS. He snugged up one wheel but forgot to tighten the lug nuts. Asked me to figure out why he was hearing a light banging noise when changing from reverse to drive and from drive to reverse. I first thought of a loose or missing caliper bolt. But when I went to remove one of his front wheels the lug nuts were very loose. Check it out it just might solve your problem.

    Don
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  8. #7
    Mr.electric is offline Cadillac Owners Member
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    After numerous brake jobs the shims that take up the space around the pad loose their springiness. I would call it more of a click noise. If that is your issue and you want to address it then you need a shim kit. Probably about $30 aftermarket.
    Hard to think of a way to narrow down the possibilities unless you want to really spend time checking. Like jack up the car and twist the front wheel in alternating directions when the brake is depressed.
    If it is really a clunk then a collapsed motor / trans mount could be the culprit.
    To check open the hood then brake + gas forward then brake + gas in reverse while someone watches the engine. If the engine moves like 4-5 inches in the engine bay and clunks then there is a collapsed mount.
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    Gomaz's Avatar
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    Re: poping sound when changing directions

    sorry to take so long to reply but i got the brake replaced on front and rear and the sound is gone.

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