Lbz turbo whine. Quits when it comes off boost or drops below 2500.
Lbz turbo whine Mar 2, 2012 · A bad ground can sound just like a turbo whine! Jake: Black crew cab 07 LBZ LTZ classic, MPI twin over stock, 40 over injectors, big dipper trans, and all the goodies to support the power! 20 inch BMF novocains and toyo MT, HID heads and fogs, two 12 kickers powered by a 1000 watt Rockford amp amd Cute girl from time to time May 6, 2013 · 06 lbz, 67000 miles, stock except no cat & airaid air box, using DieselKleen on regular intervals. I love loud turbo sounds but only when they are normal so lets keep this post headed for detecting a solution. Sounds like a high pitch squeal. 5 silverado CC LB 4x4 Black on black LMM Allison Jun 14, 2017 · Note: If you use the complete LBZ air system, you will have to rescale the MAF sensor as the cross section where the MAF sensor sits is larger than the LLY. I replaced my ac compressor a day or two before the sound came about with a brand new unit, figured that may have been the cause of the noise so I replaced it again (no change). Sep 3, 2007 · my turbo does the same thing, sounds like a new ford when its cold and not a sign of a whine when it warms up a bit. GM released a TSB last week that said the whine is considered Oct 4, 2024 · 07 classic 3500 lbz duramax with 189k on the clock. Oct 5, 2007 · I have a pretty loud turbo whine with 4" MBRP turbo back (actually downpipe back) and AFE Stage II intake. That my friend is the sound of 650 FT pounds of torque generating 360 HP of ground pounding, earth shaking, diesel fuel burning, D/A grunt. It's usually at idle. is the whine occurring on a more heavy/normal acceleration or very light/while maintaining speed acceleration? I noticed the 2013 LML I drive has a slight whine when I’m maintaining speed, so the accelerator is barely getting engaged. This sound is very apparent when you just start your car in the morning and roll your window down. Made no noise at normal operation. Jun 10, 2005 · One other think it might an exhaust leak up by your turbo. the ruler wont land perfectly on the a/c pulley if your going off the outer face of the fueler pulley but you just want the line the ruler creates to be parallel to the edge of the a/c pulley edge face. cab,s. May 1, 2017 · Just got my new to me 2006 lbz a few weeks ago and am really enjoying it all except for this really loud turbo whine that I am getting. Thing is I have my egr blocked, and turned off, seems more turbo related to me. Product Description For LLY, LBZ, LMM Part Number 773540-5001S (590HP*) Stage 1. Whining Noise. 2009 Silverado CC LB LTZ 4X4 Dually Black on Black LMM Allison 2007. With the exception of the S&B intake and MBRP exhaust, I believe the engine is stock. It is making it while accelerating and just after while turbo is spooling down. LBZ turbo noise under load? I have an engine noise that I now believe to be my turbo. No clue what it is, I dont really like it, wish I knew what it is. Edge Insight CTS, PCV reroute. put the end so ruler crosses the dual fueler pulley wheel at two points and see where it lands against the a/c compressor as well as the power steering. The best way to describe it is a turbo "whine" and increases with boost. As far as bigger turbos, you can look at the aurora set-ups, but they aren't cheap. It changes with engine speed. May 11, 2013 · Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Nothing sweeter sounding that the sweet whine of a variable finned turbo forcing more air into that magnificient engineering marvel, the Duramax diesel engine. Any ideas as to what might be the problem. Replaced the turbo with the Garrett stock (new) turbo from XDP after the vanes got sticky. Luverne SS side steps,Truxedo bed cover, Duraflaps all 4 corners, Michelin LTX M/S 2 tires and Bilstein shocks. 8K views 4 replies 3 participants last post by skidoo174 May 22, 2014 Jul 3, 2015 · 2006 LBZ ccsb HSP downpipe, corsa 4 inch, EGR Delete plate, EFI Live by Idaho Rob, Edge CTS with pyro, Titan 52 gallon tank, Fass Titanium 150, Russel braided lines, Kenwood DNN991HD, Viper alarm/remote start, Raptor lined, BFG K02, MA Pump rub Mar 20, 2015 · 2006 2500HD CCSB 4X4 RED LBZ Spray-In Bed Liner, Air Bags Custom Reese 20K slider FWH/Gooseneck hitch 265/75/16 Michelin LTX AT2's on PYO's Duramax. But as the gentleman said, the idler pullies on the LBZ suck. Right from the center of dash up by the turbo. I upgraded to a 3in PPE downpipe and PPE lb7 up pipes. Have noticed for some time that i no longer hear my turbo whine after getting out of the throttle. same Feb 23, 2024 · I have seen more than a handful of firsthand example of stock LBZ/LMMs hitting well over 500k before overhaul of the turbo or anything below the headgasket 2018 1500 LT2 Z71 CCSB 5. The sound spools with the turbo and can be heard best after 5-7 psi of boost. Nov 23, 2015 · a 1 foot metal ruler works well. May 28, 2018 · I recently bought a high mileage 06 duramax, truck runs fine and smooth with good power but under almost any amount of boost it makes kind of a whine or whooshing sound. Mind you it was an after market turbo that used a pedestal but it just a thought. Jun 1, 2018 · 06 LBZ - Loud Whining Sound on Low End Acceleration - PROBLEM SOLVED! Three or four days ago I noticed that my truck was occasionally making a strange whining sound when I accelerated from a stop. com tow tune w/turbo brake Oct 4, 2024 · 07 classic 3500 lbz duramax with 189k on the clock. Mar 6, 2006 · That's not an obnoxious whine/shistle. There is the turbo noise which sounds like a very distinctive whistle. The second noise is a lot more noticeable with the windows up when cruising at low RPMs and is more of a whine. Jan 20, 2018 · Background: I'm driving a 2007 Sierra Classic 2500 HD LBZ with 89,500 miles. May 21, 2014 · Turbo whine Jump to Latest 1. b. Completely stock till this project. The stock MAF sensor stays in the original location. slider 4-way tilt hitch. Nov 18, 2011 · I love loud turbo sounds but only when they are normal so lets keep this post headed for detecting a solution. To me it’s never seemed to be too much of a whine, more so just coming from the turbo. Quits when it comes off boost or drops below 2500. Jump to Latest 5" Magnaflow turbo back straight pipe. . Dec 26, 2012 · Slate Blue 2006 GMC Sierra 2500hd SLT Crew cab LBZ 6 speed Allison. Jul 18, 2007 · "Peace is only attainable through victory at war" 2011 GMC Denali 3500 Dually, Black on Black, Stock 07 LBZ, CC, Blue Granite, 4X4, 2500 HD, EGR Block, Finger Stick, MBRP 4" Turbo Back Str8 Thoo, Edge J/A, PVC Re-Route, Nicktane Filter, Primrose 405-C, Ride-Rite Air Suspension, Fumoto Dec 19, 2011 · Sold 06 LBZ 3500 4x4 single rear wheel regular cab long bed WT, 4" turbo back straight pipe, solid gooseneck, drw wrecker prep springs, blocked, fingured, 2"plugged, and plenty of UWS boxes Save Share May 23, 2010 · 2007 Classic GMC D/A Ext. ,built 11-2006,Di*Priol boost and pyro gauges,GT3794VA turbo, Edge Insight CTS,Garmin GPS,MBRP catback exhaust,300* hose permanent fix tranny cooling lines,M/A pump rub kit,Prodigy bc,Reese 16,000 lb. It seemed to closely follow the sound of the Turbo as it spooled up. It may be common on this truck, but I am all new to the duramax. Sound is kind of like something you would imagine could be feed back through the stereo speakers but definitely isn't the speakers. Major GM weakness in the GMT800s. I just found the the pitch of the whine parallels 0-4 psi of boost. I've replaced mine twice, and they still like to chirp and whine. Leveling kit, 33's, Ranch hand bumpers, Leer topper, K&N filter, Air box mod, 5 inch MBRP no cat, EGR blocker plate. Nov 18, 2011 · Like I said before this is not a pleasant or normal turbo sound. Aug 31, 2024 · 2007 Classic LBZ 2500HD CC SB 4" Rancho lift with 265/70/18 Michelin LTX A/T2 on Fuel Boosts Performance: EFI Live, ARP Studs, Batmowheel, ProFab Manifolds and Up Pipes, SDP EGR Delete and 3" Downpipe, 4" MBRP Dual Exhaust, S&B Intake Nov 21, 2007 · I have a loud whine under 4-5psi of boost, and is much more prevelant when the truck is cold. No smoke, power level seems ok. The Duramax Stage 1 turbocharger kit features Garrett patented Advanced Variable Nozzle Turbine AVNT™ design for increased compressor and turbine flow. I'm not familiar with the setup on the LBZ turbo, but I blew a gasket between the turbo and the exhaust manifold and it make a terrible whistle when I got on it. I have not been able to pinpoint the source. While I was in there I upgraded to a one piece pusher y bridge and deleted EGR. If you just use the LBZ turbo intake, you will not have to do anything but cut about 4 inches off the air tube. During half to full throttle acceleration it has a very pronounced squeal that comes in at 2500 rpm. It might even be the hubs. 3, Diablew tuned, Airaid MIT, Carven progressive catback, Lasfit LED D5S, DD SS3 MAX fogs, Morimoto LED's for the rest, heated wheel retrofit, scamsoil in all the Jun 29, 2021 · Last week my LB7 started making a horrid whining noise, comparable to a supercharger. GM released a TSB last week that said the whine is considered Jan 19, 2010 · 2005 Silverado 2500HD LT, LLY, 4wd, CC/SB, LBZ mouthpiece, MBRP 4" Turbo Back Exhaust, Rancho RS5000 Shocks, Undercover Tonneau Fluids & Filters May 17, 2020 · Part of the jet engine guy in me wonders if you don't have some FOD in there somewhere. Over the past week, I had been noticing a whine that seemed to vary with RPM; higher RPM, higher pitch noise. With exhaust, it all depends on how much you want to spend since most of the exhausts out there are good. Both my LBZ and LB7 had issues with them. spebkpbmkaphyotdhqthvzhjvjziwyrumvahdipiwkoqwlbof