Air or Hissing Noise - Diesel Forum

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Air or Hissing Noise

6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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05-23-2005, 02:23 PM	#1 (permalink)
raptorflash Junior Member Join Date: Dec 2003 Location: ca Posts: 21 My Photos: (0) Feedback Score: 0 reviews	Air or Hissing Noise Yesterday, started up my truck in the driveway (warm start) and at idle it had a loud air noise, like an air compressor left open. Checked under the hood and did not see anything. It louder by the left front tire. The noise does not seem to increase with rpms, though its hard to hear any other noise. I thought it might be a vacum leak but from where? 4x4 system? Any ideas? [img]/ubbthreads/images/graemlins/shrug.gif[/img] __________________ "04 F-250,PSD, SPORT PACKAGE, TOW PACKAGE, CAMPER PACKAGE, fX4,3.73, auto, BONE STOCK, 17,000 MILES AND COUNTING.

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05-23-2005, 05:04 PM	#2 (permalink)
PoppaSmurf Senior Member Join Date: Mar 2003 Location: Austin, TX Posts: 1,739 My Photos: (13) Feedback Score: 0 reviews	Re: Air or Hissing Noise Check your "Y" pipe where it goes into your turbo. I have heard others having this symptom with cracked 'Y' pipes. __________________ 2004 F250 Lariat, Diesel 6.0L, 5spd auto,4x4 FX4, True Blue/Med Parchment, Camper Package, Cab lights, Dual Alternators, AIC, Power Sliding Rear window, 12.5k receiver hitch. Add-ons: Headache Rack, Brush Guard, B&W Hidden Hitch & Daytime Running Lights, PIAA 520 series driving lights, boost/tranny gauges, Dahl 100 fuel filter/water separator, Prodigy brake controller, air horns, Sinister Coolant Filter. In-the-works: Onboard air, Aux. fuel/Toolbox combo. Ordered on: 03/29/04. Arrived on: 04/28/04. SIGNED: 05/01/04 Whoop! Recall 04B24: Installed 02/15/05. My Pics 6.0L Bible

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