Cherie's '84 Coupe DeVille Project - Page 14
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, Cherie's '84 Coupe DeVille Project in Past Cadillac Vehicle Discussion; The audio on my PC isn't fantabulous, but it sounds like a big 'ol exhaust leak. Like a manifold leak. ...
  1. #196
    turbojimmy's Avatar
    turbojimmy is offline Cadillac Owners Connoisseur
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    Re: Cherie's '84 Coupe DeVille Project

    The audio on my PC isn't fantabulous, but it sounds like a big 'ol exhaust leak. Like a manifold leak.

    On a second listen I'm not so sure. Can you figure out where it's coming from (front, back, one side or the other?). It's not a happy sound.

  2. #197
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    Re: Cherie's '84 Coupe DeVille Project

    Quote Originally Posted by turbojimmy View Post
    The audio on my PC isn't fantabulous, but it sounds like a big 'ol exhaust leak. Like a manifold leak.

    On a second listen I'm not so sure. Can you figure out where it's coming from (front, back, one side or the other?). It's not a happy sound.
    Well, a corner of the valve cover gasket is missing on one side, so do you think Im just hearin more sound han usual? We're heading back over to start up the caddy. Ill try to identify a location of the sound.

  3. #198
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    Re: Cherie's '84 Coupe DeVille Project

    Quote Originally Posted by nebulosity View Post
    Well, a corner of the valve cover gasket is missing on one side, so do you think Im just hearin more sound han usual? We're heading back over to start up the caddy. Ill try to identify a location of the sound.
    Sorry, no. That's really loud. Rockers just kind of "tick". Anyone that has been tortured by adjustable rockers will tell you that running the car with the cover off while you adjust them is messy but not loud. Something else wrong there. Hopefully it's external (relatively easy to fix) and not internal (not).
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  4. #199
    csbuckn is offline Cadillac Owners Master
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    Re: Cherie's '84 Coupe DeVille Project

    Sounds like a broken rocker or something in the valve train.

  5. #200
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    Re: Cherie's '84 Coupe DeVille Project

    Quote Originally Posted by csbuckn View Post
    Sounds like a broken rocker or something in the valve train.
    Aw man, I hope not. Would that kind of thing be easily visible when they go to replace the valve covers? Or is that kind of failure hard to see?

  6. #201
    csbuckn is offline Cadillac Owners Master
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    Re: Cherie's '84 Coupe DeVille Project

    A broken rocker is easy to see and easy to fix. Hopefully its something simple.
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  7. #202
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    Re: Cherie's '84 Coupe DeVille Project

    Quote Originally Posted by csbuckn View Post
    A broken rocker is easy to see and easy to fix. Hopefully its something simple.
    Well that sure is good to know.

    They won't get to the Caddy until sometime next week. I'll keep you guys updated.

  8. #203
    csbuckn is offline Cadillac Owners Master
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    Re: Cherie's '84 Coupe DeVille Project

    Your car is making my nerves bad. lol
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  9. #204
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    Re: Cherie's '84 Coupe DeVille Project

    Quote Originally Posted by csbuckn View Post
    Your car is making my nerves bad. lol
    Sorry, man. You're not the only one. lol
    csbuckn and greencadillacmatt like this.

  10. #205
    csbuckn is offline Cadillac Owners Master
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    No worries, the suspense makes it exciting...."will the car make it? Tune in later"

  11. #206
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    Re: Cherie's '84 Coupe DeVille Project

    Quote Originally Posted by csbuckn View Post
    No worries, the suspense makes it exciting...."will the car make it? Tune in later"
    lol, yeah, my other friend said he is feeling like he's watching a reality tv show, always asking me, "so what's happening next??"

  12. #207
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    Re: Cherie's '84 Coupe DeVille Project

    Maybe that sound could be a broken flywheel? My 79 has that and we first thought it was a rod knocking but the bolts around flywheel are broken.
    Does yours fade out when driving, it's not as noisy?
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  13. #208
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    Re: Cherie's '84 Coupe DeVille Project

    Quote Originally Posted by 1980coupe View Post
    Maybe that sound could be a broken flywheel? My 79 has that and we first thought it was a rod knocking but the bolts around flywheel are broken.
    Does yours fade out when driving, it's not as noisy?
    Actually, I didn't notice the sound at all until I popped the hood open. I drove it for about 5-10 minutes and didn't hear it. The Caddy accelerated nicely without any noticeable noise.

  14. #209
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    Re: Cherie's '84 Coupe DeVille Project

    Same with the 79 coupe. It drives and accelerates fine and the noise fades but comes back. Check when driving and lower windows and keep and hear out..
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  15. #210
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    Re: Cherie's '84 Coupe DeVille Project

    Got a call from Larry's and they said the Cadillac is ready for pickup. I asked them if their tech found any broken rockers, and he said "none of the rockers are broken." I'm a bit skeptical because the last time I asked Guy something over the phone, I asked if the technician had test driven the car, and Guy said "Yes, the car drives fine." It turned out that the technician HADN'T test driven the car, and that the car was definitely NOT fine. As a result, I'm really skeptical about his response with the rocker arms. Anyways, I'll go pick up the Caddy later this week, let it warm up, and listen for the same loud sound I was hearing last time. If I still hear that sound, I'll have the mechanics listen to it again.
    77CDV and greencadillacmatt like this.

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