2003 Tahoe - 5.3L Engine Noise

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2003 Tahoe - 5.3L Engine Noise - 5/22/2007 11:13:35 AM    huetherb   Posts: 2 Joined: 5/22/2007 Status: offline When I accelerate onto the highway there is a noise that gets increasingly louder.  It sounds like a high pitch whining, almost like a sound that would be coming out of a synthesizer.  I would appreciate any feedback on this.  Thanks for your time. Brett Post #: 1

RE: 2003 Tahoe - 5.3L Engine Noise - 5/23/2007 9:24:41 AM    MalibuMaxxSS Posts: 629 Joined: 11/18/2006 Status: offline  had a F150 did this once the previous owner had put that fuel thing in his airbox, sounds like a turbo whine on a car, if you had it since new, check your airbox for cracks, or holes. _____________________________ 2006 Malibu Maxx SS, computer Flashed, undercar LED, Cold air intake, 18' Potenzas, Limo tint front to back 1990 YJ Lifted Locked and always muddy, posi loc, 33s TSLs, weber carb. drop tailgate... (in reply to huetherb) Post #: 2

RE: 2003 Tahoe - 5.3L Engine Noise - 5/23/2007 8:32:51 PM    73shark Posts: 2323 Joined: 4/17/2006 Status: offline Another possibility is the serpentine belt idler pulley. _____________________________ GM perf. exh, GM CAI, Superchips, Lund step tubes, billet grill, LED tails, Lloyd mats, rear console, GM flaps, silver calipers, black bow ties, tint (in reply to huetherb) Post #: 3

RE: 2003 Tahoe - 5.3L Engine Noise - 5/24/2007 9:15:51 AM    MalibuMaxxSS Posts: 629 Joined: 11/18/2006 Status: offline wouldnt an idler pully more be a squeal??  I think like turbo whine when you say symthizer _____________________________ 2006 Malibu Maxx SS, computer Flashed, undercar LED, Cold air intake, 18' Potenzas, Limo tint front to back 1990 YJ Lifted Locked and always muddy, posi loc, 33s TSLs, weber carb. drop tailgate... (in reply to 73shark) Post #: 4

RE: 2003 Tahoe - 5.3L Engine Noise - 6/12/2007 1:55:14 PM    huetherb   Posts: 2 Joined: 5/22/2007 Status: offline it is definately more like a turbo whine than a squeal.  I can't find any modifications / holes / cracks in the airbox either. (in reply to MalibuMaxxSS) Post #: 5

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