Whining sound - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 04-16-2010, 11:41 AM Thread Starter
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Whining sound

Hey guys, i am in need of some help. wednesday afternoon i put the stock tune in my truck to move my 5th wheel to go camping today. I left the stock tune in because thats what i was planning on pulling the camper with so thursday morning heading to work i hear a whining sound like a supercharger. The more i press on the gas pedal the louder it gets. So i put a economy tune in it and it ran great. No whine or anything. Put the stock tune back in and it starts whining again. I have now power loss or anything. Runs great besides the whining sound. Could this be the turbo going out? Or is there something else i can look for? Somebody told me the turbo but i have no loss of power at all. Thanks guys!

2008 F-250 CCSB 6.4, H&S XRT PRO, Flo Pro straight pipe, Banks Ram Air Intake, Bullydog GT for Gauges.

2006 F-250 SC 6.0, 33x12.50x18 Nitto Terra Grappler AT's, Edge Insight With EGT Probe, 03 Turbo, MBRP 4 inch turbo back off-road, ARP Studs, DFUSER Coolant Filter Kit, ITP Regulated Return,SCT XCAL2(Vivians Tunes) SOLD.

2003 Yamaha Raptor 660R(sold)

2002 CRF450R

34ft. Carriage 5th Wheel
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post #2 of 5 (permalink) Old 04-16-2010, 12:54 PM
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Does whining only happen at certain rpm, or is it constant?
It could be the turbo, or one of the tentioner pullies. Also check power steering pump. Look and feel for excessive play.

2004 F350 CC DRW King Ranch
X-3 tunes by DJ,QT,GH,ID,Gyphon FICM tuner,head studs,II Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,Snow Perf stage II,EGR delete,AD2,4" turbo back straight pipe,K&N intake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
Thanks to:JASONS REPAIR AND PERFORMANCE-TELFORD,PA.

"Are diesel pickups hot rods? Yes,they are-perhaps the most versatile hot rods ever made"---Diesel Power Magazine

Last edited by lilpooh; 04-16-2010 at 01:03 PM.
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post #3 of 5 (permalink) Old 04-16-2010, 01:39 PM Thread Starter
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I start to hear the whine at about 5 psi of boost and then as i press the gas pedal it gets louder. It could be making the sound sooner and i just cant hear it until it gets loud enough. When im in 5th gear and i push the pedal hard but not hard enough to shift it takes a second for the noise to kick in.

2008 F-250 CCSB 6.4, H&S XRT PRO, Flo Pro straight pipe, Banks Ram Air Intake, Bullydog GT for Gauges.

2006 F-250 SC 6.0, 33x12.50x18 Nitto Terra Grappler AT's, Edge Insight With EGT Probe, 03 Turbo, MBRP 4 inch turbo back off-road, ARP Studs, DFUSER Coolant Filter Kit, ITP Regulated Return,SCT XCAL2(Vivians Tunes) SOLD.

2003 Yamaha Raptor 660R(sold)

2002 CRF450R

34ft. Carriage 5th Wheel
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post #4 of 5 (permalink) Old 04-16-2010, 02:11 PM
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On the air filter side of the turbo, take off the tubing going to the turbo so you can see and feel the shaft and wheel. Look were the fins are almost touching the housing to see if thier is any scratches or scaring on the housing. To check the turbine shaft, try to wiggle the shaft up,down,left, and right. I believe they allow up to .022" of play. anything more than it's considered too much play. Also try to push and pull on the shaft in and out.

2004 F350 CC DRW King Ranch
X-3 tunes by DJ,QT,GH,ID,Gyphon FICM tuner,head studs,II Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,Snow Perf stage II,EGR delete,AD2,4" turbo back straight pipe,K&N intake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
Thanks to:JASONS REPAIR AND PERFORMANCE-TELFORD,PA.

"Are diesel pickups hot rods? Yes,they are-perhaps the most versatile hot rods ever made"---Diesel Power Magazine
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post #5 of 5 (permalink) Old 04-16-2010, 05:00 PM Thread Starter
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I have a extra turbo so im going to swap it out.

2008 F-250 CCSB 6.4, H&S XRT PRO, Flo Pro straight pipe, Banks Ram Air Intake, Bullydog GT for Gauges.

2006 F-250 SC 6.0, 33x12.50x18 Nitto Terra Grappler AT's, Edge Insight With EGT Probe, 03 Turbo, MBRP 4 inch turbo back off-road, ARP Studs, DFUSER Coolant Filter Kit, ITP Regulated Return,SCT XCAL2(Vivians Tunes) SOLD.

2003 Yamaha Raptor 660R(sold)

2002 CRF450R

34ft. Carriage 5th Wheel
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