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Thread: Whining sound after letting off the gas:

  1. #1
    Join Date
    Jun 2003
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    Whining sound after letting off the gas:

    I don't know if this is old news to some of you, but I've noticed that when I hit the gas for a WOT blast, sometimes I hear a whining noise after I back off on the throttle completely, which lasts up to 2 seconds. yesterday was the first time that I reved the engine up to about 4,000 RPM while in park (not something I usually do) in order to get someone's attention who was waiting for me on the other side of a parking lot, and after stabbing the pedal and letting off, I heard that whining sound again while the engine RPM came back down to idle.

    Does anyone experience the same thing w/their Marauder? And can anyone tell me what that is, or if it's something to worry about. if it is, then i want to get it fixed now before I perform anymore mods to my MM since my warantee is still in effect w/what I've done to the car so far according to the service manager I've spoken to.

  2. #2
    Join Date
    Oct 2002
    Location
    USA
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    445

    Whining after WOT

    That is the alternator clutch, nothing to worry about.
    Our alternators cut-out at high RPM surges to avoid damage.
    ============================== ===
    Forget directions, I need to file a flight plan
    ============================== ===

  3. #3
    Join Date
    Jun 2003
    Location
    Connecticut
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    I knew about the alternator clutch and how it works, but I didn't realize that it made noise like that. it does sound like it's coming from under the hood, so that must be what it is. Thanks a lot!!! I was beginning to worry about it.

  4. #4
    Join Date
    Feb 2004
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    GJA is correct, Alt. has a clutch so it doesn't burn out,I thought I had that problem when I brang it back to the Dealer, that is what it was.

  5. #5
    Join Date
    Jun 2003
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    You guys are great! You just saved me a trip to the dealer, along w/some aggrivation, and worry as well. Ya just can't beat the membership of this board.

  6. #6
    Join Date
    Nov 2003
    Location
    Cincinnati, OH USA
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    43
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    841

    Post

    I have that same whine as well when I get off the gas right after a WOT run, and it's nice to know that it's just the alternator clutch!
    2006 Silverstone AWD Chevy Trailblazer SS
    -custom grind cam, kooks long tube headers, pcmformless tranny cooler, Vector CAI, Vector custom tune, Corsa catback, efans

    2004 Silver Birch Mercury Marauder
    -gone

  7. #7
    Join Date
    Aug 2003
    Location
    Birmingham, Alabama
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    4,139
    My coworkers make a whining sound when I let off some gas

  8. #8
    Join Date
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    Location
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    LOL.........yeah, especially after eating that pizza that has a lot of garlic I bet.

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