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Thread: 343 whistle????

  1. #1
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    Default 343 whistle????

    I searched and noticed a few threads but no real answer. At 2500ish it's got an intake whistle. Sounds like a it's sucking through the throttle body. I have heard the same on trucks and cars with a k&n. Anyone ever figure it what to make it go away? I wouldn't worry much but it's right at the perfect cruising speed.

    thanks

  2. #2
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    Asked dealer today and they have had same compliant with no real resolve. Just the way it is! Hmmm sounds like a challenge!!

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    Ok I sent PCM an email and they responded!!! Next day matter of fact!! They are sending me a spacer for under the throttle body. Says it fixes the whistle!!! What a great company! No wonder nautique uses them! Thank you for being stand up PCM!! Ill follow up with the facts on if it fixes it or not when I get the part.

  4. #4
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    Click image for larger version. 

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ID:	23159Click image for larger version. 

Name:	image.jpg 
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ID:	23159Part in and whistle gone!

  5. #5
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    I'd love to get this too - got any contact info?

  6. #6
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    Congrats. So nice when something like this can be fixed.

  7. #7
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    Interesting. By the looks of the design - just something to slightly turbulate (new word) the air flow to prevent the whistle...

  8. #8
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    Just got to the PCM website and then contact. Send them an email and they reply back with what they are going to do. Super simple and was an easy instal. It's basically the gasket between the intake and throttle body. 4 bolts.

  9. #9
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    Quote Originally Posted by Neverenough View Post
    Ok I sent PCM an email and they responded!!! Next day matter of fact!! They are sending me a spacer for under the throttle body. Says it fixes the whistle!!! What a great company! No wonder nautique uses them! Thank you for being stand up PCM!! Ill follow up with the facts on if it fixes it or not when I get the part.
    which motor do you have? I contacted them and this is what they said:

    If your engine is a 5.7L then no, I strongly suggest you look for a vacuum
    leak because these engines do not need a deflector plate, only the 8.1L HO
    engines sucked in so much air that they created a whistle effect in the
    throttle body like a mini tornado, the plate broke up the swirling effect of
    the air intake.
    '12 SAN 210 TE Black/Masters Blue
    '09 SAN 210 TE Black/Fury Red
    '08 Air 216 TE
    '02 Air 216
    '98 Sport Nautique
    '89 MC Prostar 190

  10. #10
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    Not true! I have the Excaliber 343 which a 5.7. Whistle is gone! I could send you the email if you want to PM your email address.

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