fluttering sound - Chevy and GMC Duramax Diesel Forum

04.5-05 LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

Reply
 
LinkBack Thread Tools Display Modes
post #1 of 15 (permalink) Old 10-06-2012, 08:30 PM Thread Starter
Duramax Forum Supporter
 
Join Date: Aug 2011
Posts: 60
fluttering sound

i keep getting this fluttering sound from motor and dont know what it is. i think its the vanes in the turbo but not sure wanting to see if anyone else gets this same noise. it will do it at idle in a parking lot and do it at a stop light
Zach87 is offline  
Sponsored Links
Advertisement
 
post #2 of 15 (permalink) Old 10-06-2012, 08:33 PM
DuramaxForum Enthusiast
 
TakeEm's Avatar
 
Join Date: May 2011
Location: Fort Collins CO
Posts: 3,683
What do you mean by fluttering sound? Does your exhaust note change tones for a second then back to normal?


Sent from my Autoguide app.

Caleb
2011 Denali LML
Wehrli Emissions Compliant 475/stock kit, Wehrli Dual CP3 Kit, Merchant Auto Trans, Fass Pump
Tuned by Duramaxtuner

Sold 7/2015: Twinned 07 LBZ
TakeEm is offline  
post #3 of 15 (permalink) Old 10-06-2012, 08:43 PM Thread Starter
Duramax Forum Supporter
 
Join Date: Aug 2011
Posts: 60
sound comes from intake when listening and walking around truck running. can hear it in the cab. its not exhaust i know that difference plus i have stock exhaust minus the down pipe
Zach87 is offline  
post #4 of 15 (permalink) Old 10-06-2012, 08:44 PM
DuramaxForum Enthusiast
 
TakeEm's Avatar
 
Join Date: May 2011
Location: Fort Collins CO
Posts: 3,683
Have to take a video I guess. Have not a clue what you are talking about with the details you described.


Sent from my Autoguide app.

Caleb
2011 Denali LML
Wehrli Emissions Compliant 475/stock kit, Wehrli Dual CP3 Kit, Merchant Auto Trans, Fass Pump
Tuned by Duramaxtuner

Sold 7/2015: Twinned 07 LBZ
TakeEm is offline  
post #5 of 15 (permalink) Old 10-06-2012, 08:47 PM Thread Starter
Duramax Forum Supporter
 
Join Date: Aug 2011
Posts: 60
the sound comes and goes and is a fluttering noise dont know how else to explain it
Zach87 is offline  
post #6 of 15 (permalink) Old 12-13-2012, 05:16 PM
Junior Member
 
POWERTRIP's Avatar
 
Join Date: May 2012
Location: Central, IL
Posts: 127
Did you figure this out yet? Mine just started making a "fluttering" sound that fades in and out but only when driving down the road at speeds between 40-75 mph.

04.5 GMC Sierra 2500HD SLT LLY, 4X4 CCSB, Bill's Custom Intake Stage 4, S&B Powerstack filter,LBZ MP, 4" turbo downpipe into 5" exhaust, 7" MBRP tip, EFI Live w/ dsp5, Resonator plug, PVC rerouted and plugged, level kit, 33" BFG's, all-on mod
7-6-2011
Head Gaskets, ARP Headstuds, Full EGR Delete, Aftermarket exhaust manifold, Race Valve, CTS INSIGHT
Coming soon:
AIR DOG II Lift Pump, Smoked tail Lights, Smoked cab clearance lights, Lift kit, and Built trans.
POWERTRIP is offline  
post #7 of 15 (permalink) Old 12-13-2012, 05:36 PM
DuramaxForum Enthusiast
 
TakeEm's Avatar
 
Join Date: May 2011
Location: Fort Collins CO
Posts: 3,683
Quote:
Originally Posted by POWERTRIP View Post
Did you figure this out yet? Mine just started making a "fluttering" sound that fades in and out but only when driving down the road at speeds between 40-75 mph.
That is not good my friend


Sent from my iPhone using AutoGuide.com Free App

Caleb
2011 Denali LML
Wehrli Emissions Compliant 475/stock kit, Wehrli Dual CP3 Kit, Merchant Auto Trans, Fass Pump
Tuned by Duramaxtuner

Sold 7/2015: Twinned 07 LBZ
TakeEm is offline  
post #8 of 15 (permalink) Old 12-14-2012, 06:02 AM
Junior Member
 
POWERTRIP's Avatar
 
Join Date: May 2012
Location: Central, IL
Posts: 127
Take em, you say "not good". How so? I need help on this!

04.5 GMC Sierra 2500HD SLT LLY, 4X4 CCSB, Bill's Custom Intake Stage 4, S&B Powerstack filter,LBZ MP, 4" turbo downpipe into 5" exhaust, 7" MBRP tip, EFI Live w/ dsp5, Resonator plug, PVC rerouted and plugged, level kit, 33" BFG's, all-on mod
7-6-2011
Head Gaskets, ARP Headstuds, Full EGR Delete, Aftermarket exhaust manifold, Race Valve, CTS INSIGHT
Coming soon:
AIR DOG II Lift Pump, Smoked tail Lights, Smoked cab clearance lights, Lift kit, and Built trans.
POWERTRIP is offline  
post #9 of 15 (permalink) Old 12-14-2012, 06:05 AM
Banned
 
Join Date: Jan 2010
Location: On the Coast of Somewhere Beautiful
Posts: 5,738
Scan your injector balance rates...
smokinlmm is offline  
post #10 of 15 (permalink) Old 12-14-2012, 06:28 AM
Duramax Lifetime Supporter
 
DRTYMAX13's Avatar
 
Join Date: Jan 2011
Location: Union, MS
Posts: 1,335
exhaust leak? mine has started this shit also along with everything else that seems to wanna screw up at the same time... heard it this morning and exhaust leak was what popped in my head first but I haven't investigated any further yet..

2006 GMC 2500 LBZ - SOLD
2011 CHEVROLET 2500 LML - SOLD
DRTYMAX13 is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Chevy and GMC Duramax Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome