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Thread: Air Suspension Going Bad ?

  1. #1
    Join Date
    Aug 2005
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    Southeast Pennsylvania
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    Air Suspension Going Bad ?

    My 2004 Marauder has 209 K on it and recently I noticed when I shut the ignition off I hear a buzzing sound from what seems like under the ride side dash or possibly in the engine compartment near the firewall on the right side. When this happens I do not get that familiar decompression sound from the air suspension system when you shut down which I like to call the "Darth Vader Sound." (Reminds me of Darth Vader breathing deeply). When I get the "Darth Vader Sound" I notice the buzzing noise is not present. Also it sometimes but rarely does it when I start the car. Normally the air suspension kicks in when I start the car. I appreciate anyone who can give me a suggestion as to what this may be and what the fix is or is this something else and not the air suspension system? Thanks a bunch.
    2235 of 3214 built for 2004
    766 of 1237 in Black
    One of 156 built with Light Flint
    Interior & Black Exterior
    251 built of 509 with Moonroof
    Born on April 1, 2004
    Adopted on July 31, 2004
    Magnaflow Mufflers
    K & N Air Filter
    CarMotorsports Under Hood God's Logo Pad
    CarMotorsports Custom Floor Mats

  2. #2
    Join Date
    Aug 2014
    Location
    Bowling Green, KY
    Posts
    560
    The location sounds like the HVAC blend door. mine sounds like a creeking door closing as engine vacuum is lost when turning the car off sometimes.

    the air ride compressor is in the front driver side of the engine bay below the air filter, so it doesn't sound like that's your noise.
    03 Marauder 300a
    392 hp / 406 tq

  3. #3
    Join Date
    Aug 2005
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    Southeast Pennsylvania
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    Hey Ourobos thanks so much for the quick reply. I'll have my mechanic check it out at next oil change.
    2235 of 3214 built for 2004
    766 of 1237 in Black
    One of 156 built with Light Flint
    Interior & Black Exterior
    251 built of 509 with Moonroof
    Born on April 1, 2004
    Adopted on July 31, 2004
    Magnaflow Mufflers
    K & N Air Filter
    CarMotorsports Under Hood God's Logo Pad
    CarMotorsports Custom Floor Mats

  4. #4
    Join Date
    Jun 2015
    Location
    O'Hare IL
    Posts
    283
    Its gotta be either the blend door actuator or one of the valves that open/close the air ducts.
    2003 Mercury Grandma on steroids

  5. #5
    Join Date
    Jul 2011
    Location
    Kentucky
    Age
    59
    Posts
    480
    I never hear my Compressor work , but bags are full


    2003 Marauder 300B 148K 1 of 364 Heated Seats
    2003 Mach 1 5spd Torch red 29K

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