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Thread: Under hood noise

  1. #1
    SoCAPS Member King Ranch's Avatar
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    06/29/2009
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    Under hood noise

    Wow never any new posts for 2011+ Powerstroke. Well I think I have a problem. When my truck is idling - a very loud humming/buzzing noise (for lack of a better description) is generated from under the hood. I can't pinpoint its origin. It is very disturbing and wondering if any other 2011 owners have a similar problem? I plan to bring it in I just haven't had the time yet this Christmas season.
    New - 2011 F250 CC PSD SWB Lariat FX4 Oxford White/ Pale Adobe Interior
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    Traded - 2006 F250 CC PSD SWB King Ranch FX4 Oxford White
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    DiPricol Optix gauges
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    Mag Hytec tranny pan
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  2. #2
    SoCAPS Member MSDSMAN's Avatar
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    01/04/2005
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    119
    I have heard the noise before after a cold start, I shut off the engine and restarted twice and it went away. This has occured two other times, but it always went away. You might also want to check out "The Diesel Stop" 2011 forum to see if anyone has had this issue, there are alot more users on that site.Keep us posted on what they find out.
    <font color="navy">Ken</font><br>
    <br>
    2011 F350 XLT CC 6.7 PSD 4X4 BAJA Limo IV<br>
    Oxford White, BFGs, E-Locker, Steel &amp; Black Interior, Sync Equipped, Integrated 5th Wheel Tow Package, Icon Coil Springs &amp; Shocks, Firestone Airbags, FUEL Off Road Throttle Wheels, BFG All Terrain Tires, N-Fab Nerf Bar Steps, Line-X Spray in Bed Liner,Aries Brush Guard. Just getting started.<br>
    <br>
    <br>
    (SOLD)2006 F350 XLT CC 6.0 PSD FX4 BAJA Limo III<br>
    Metalic Silver, 2-1/2" Donahoe Racing Leveling Kit, 35" BFG A/Ts Black Moto Metal 957s Nerf Bar Steps, Light Bar W/ Hella 500s &amp; KC 130W DayLighters, Spray in Bedliner, 5th Wheel 33ft Extreme RV Toyhauler JSC Sandrail<br>
    61000Mi Ran like new.<br>
    <br>
    <br>
    (SOLD) 2005 F350 XLT CC 6.0 PSD FX4 "New Baja Limo" DK Grey, Dual Alternators, MBRP Exhaust System, Nerf Bar Steps, Rhino Lined Bed, 5th Wheel 33ft Extreme RV Toyhauler JSC Sandrail <br>
    36500 Mi.......... Ran Like New<br>
    <br>
    (SOLD)1996 F-350 CC 7.3 PSD 4X4 Baja Limo,Oxford White Banks Chip &amp; Trans Command-Triple Disk Torque Converter 4:10s <br>
    Down Pipe-Deleted Cat- Open Element Intake-Rancho 9000s 5th Wheel 33ft Extreme Toyhauler JSC Sandrail 208000mi........Still ran like new<br>
    <br>
    <font color="#000080"></font>

  3. #3
    SoCAPS Member
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    02/17/2010
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    11
    Mine does it also. Mine goes away after it warms up. Look under the carrage and it should be coming from the cat / regen chamber. The truck likes to sing to you.

  4. #4
    SoCAPS Member Bio-Daddy's Avatar
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    04/11/2007
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    154
    My father has the same buzz/humming noise after he turns off the engine... it lasts a few min then goes away? we are curious wtf is going on, the truck just started doing this a few weeks ago but it has 15k on the odometer already
    01 F250 XLT c.c. s.b. 7.3, Dp tuner(8 tunes), Edge attitude monitor (for gauges) billet grill,billet badges, International bellowed uppies, home built 4" dual exhaust with 2/5" tips,muff delete, Airaid intake, 44 gal tank, trans gauge, Mag hytec diff covers and deep trans sump, John Wood trans, 6.0 cooler, billet converter, GOS headlight harness, DC 190 amp alt., 5" Deavers, 3" hangers, 37" tires w/17" welds, Fox shocks w/resiviors, EBC slotted rotors, air bags, onboard tank/compressor, Klienn Train Horn, gooseneck hitch, runnin' home made bio-diesel, 235,000 mi. & still strokin strong!!

    2006 -4 seat Chenowth Explorer,home built, powered by an Esslinger 2.3 turbo Ford motor, T3/T4 @20psi =family fun!!

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