'03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?
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Northstar Engines and System Technical Discussion Discussion, '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas? in Cadillac Engine Technical Discussion; My '03 STS starting making a sound like a turbine spinning up under the hood for a few seconds after ...
  1. #1
    ktraub is offline Cadillac Owners Member
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    '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    My '03 STS starting making a sound like a turbine spinning up under the hood for a few seconds after a cold start. It can just barely be heard from inside the cabin but is clearly audible outside the car. It does not happen again until the engine is cold and doesn't last longer than 5-10 seconds.
    Anyone have any ideas what it is?

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  3. #2
    eldorado1 is offline Cadillac Owners Connoisseur
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    Check the transmission and power steering levels.

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    AJxtcman's Avatar
    AJxtcman is offline Cadillac Owners Connoisseur
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    Quote Originally Posted by ktraub View Post
    My '03 STS starting making a sound like a turbine spinning up under the hood for a few seconds after a cold start. It can just barely be heard from inside the cabin but is clearly audible outside the car. It does not happen again until the engine is cold and doesn't last longer than 5-10 seconds.
    Anyone have any ideas what it is?
    You have a Kirby under the hood.
    And????
    Does it bother you?

  5. #4
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    A.I.R. pump?

  6. #5
    dkozloski's Avatar
    dkozloski is online now Cadillac Owners 10000+ Posts
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    Ranger nailed it!
    Don't mess with Binky Bear!


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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    I have a cradle out that has 2 Kirby's on it.

  8. #7
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    OK, I'll bite. What's a Kirby?

  9. #8
    Zorb750 is offline Cadillac Owners Connoisseur
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    It is a vacuum cleaner.



    Very expensive, very high quality. Puts that Dyson thing totally to shame in every way that counts.

  10. #9
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    Quote Originally Posted by Zorb750 View Post
    It is a vacuum cleaner.



    Very expensive, very high quality. Puts that Dyson thing totally to shame in every way that counts.
    I have no carpets in my house and I own a Dyson. You could not sell me a Kirby. My Dyson is pretty loud. Hmm it sound a lot like the AIR pumps. Hmmmm. No they are Kirby's for sure. My camera is in my car. I thought it was at home so I could not take a picture of the twin Kirby powered hoover craft AKA cradle. When I go back to work I will get a picture or two.

  11. #10
    jadcock's Avatar
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    WHAT'S A KIRBY? Only one of the best vacuums ever made! I have my mom's 30-year-old Kirby at home. Runs like a hoss. The body is all stainless, and I have it shined up like a mirror. It really is a wonderful piece of engineering.

    But yeah, the A.I.R. pump is likely the noise. My '01 STS has a high idle for about 20 seconds after a cold start, and there's a rather unpleasant whirring racket under the hood. After about 20 seconds, the noise goes away and the idle drops to normal. I understand that this is only on CA or MA/NY emission cars. Mine was originally sold (leased) in Ohio, so I don't know.

  12. #11
    dkozloski's Avatar
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    A Kirby is an overpriced POS. Throw a handful of change on the floor and try to pick it up with the Kirby. Everything the vacuum picks up has to go through an impeller turning about 10,000 RPM. Lookout for flying shrapnel. All you have to know about Kirbys is that they are sold door to door in a process that is a veritable training ground for con men. The markup is outrageous.
    Don't mess with Binky Bear!


  13. #12
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    Quote Originally Posted by dkozloski View Post
    A Kirby is an overpriced POS. Throw a handful of change on the floor and try to pick it up with the Kirby. Everything the vacuum picks up has to go through an impeller turning about 10,000 RPM. Lookout for flying shrapnel. All you have to know about Kirbys is that they are sold door to door in a process that is a veritable training ground for con men. The markup is outrageous.
    I could by 3 or 4 dysons for the price of a kirby.
    I had a demo once from my now girl friend. I think that night may have been the start. Anyway I proved that my Vac's worked better than a kirby. First was the house vac. It worked better even on the salt trick. Then after she went over it with the Kirby I got out my large shop Vac It is like the one's at the car wash. you need ear plug. I sucked up even more crap.
    Back to the subject.
    Most cars have 1 Kirby on the left side. I think only 00 Califonia cars have 2. We have a few with none, but not too many.

  14. #13
    jadcock's Avatar
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    Overpriced or not, if our Bissel lasts 30 years, I'll concede and put the Kirby away for "occasional use". But I know it'll still be running 60 years after it was made. The only thing it's needed is a few rubber belts.

    I think my '01 has one A.I.R. pump, and it has two valves...one on each exhaust manifold. I don't recall if it has the CA emissions. I've looked up all the RPO codes on it before, but I just don't recall on that one.

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    AJxtcman's Avatar
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    I have pictures.
    Oh no not those pictures. I will be right back.

  16. #15
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    Re: '03 STS making turbine-like sound for 5-10 secs on cold start. Any ideas?

    I have yet to hear the A.I.R. pump on my '03 or my daughters '02.

    Since this has turned into a vacuum cleaner thread. My daughter just threw away a still working Electrolux that my mother used when I was a kid.

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