Notices
GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

video CRACKED FLYWHEEL??????????

Thread Tools
 
Search this Thread
 
Old 10-02-2011, 03:23 PM
  #1  
On The Tree
Thread Starter
 
4.8silvy2004's Avatar
 
Join Date: Apr 2008
Location: florida
Posts: 148
Likes: 0
Received 0 Likes on 0 Posts
Default video CRACKED FLYWHEEL??????????

hey so pretty much after doing a couple of good lauches i noticed a couple of days later this noise which is my guess a cracked fly wheel maybe??? so today i took starter down and checked to see for loose converter bolts which they we tight! so how common is this with a 3kstall and the flexplate looks really warped??? but couldnt feel any shake but heard a little click when turning it with screwdriver and second vid is a recent launch in 95degree weather










Old 10-02-2011, 03:24 PM
  #2  
On The Tree
Thread Starter
 
4.8silvy2004's Avatar
 
Join Date: Apr 2008
Location: florida
Posts: 148
Likes: 0
Received 0 Likes on 0 Posts
Default

let me know if the vids work thx
Old 10-02-2011, 04:19 PM
  #3  
On The Tree
Thread Starter
 
4.8silvy2004's Avatar
 
Join Date: Apr 2008
Location: florida
Posts: 148
Likes: 0
Received 0 Likes on 0 Posts
Default

on the circle d modded tb converter do u need spacers because it seemed like when i tightened the bolt it brought the flexplate closer???
Old 10-02-2011, 05:49 PM
  #4  
TECH Fanatic
iTrader: (10)
 
sharpshooter's Avatar
 
Join Date: Feb 2007
Location: Delaware
Posts: 1,539
Received 0 Likes on 0 Posts
Default

I've had a bell housing bolt back out and hit the converter,it sounded just like that.
Old 10-02-2011, 09:46 PM
  #5  
Teching In
 
00strokerLM7's Avatar
 
Join Date: Sep 2009
Posts: 7
Likes: 0
Received 0 Likes on 0 Posts
Default

sounds like the fly wheel. it cracks under and around the fly wheel to crank bolts but the bolts hold it togethere. this has happend to my 6.0/4l80e just got a new and sawped it out!
Old 10-02-2011, 10:03 PM
  #6  
TECH Addict
iTrader: (7)
 
BadAssChevy327's Avatar
 
Join Date: Aug 2005
Location: Ocala, Fl
Posts: 2,315
Likes: 0
Received 2 Likes on 2 Posts
Default

sounds like it to me.

and btw your truck doesn't sam like a 15.0 in that video. moves nice!
Old 10-05-2011, 09:43 PM
  #7  
Registered User
 
phillip wigington's Avatar
 
Join Date: Aug 2011
Posts: 4
Likes: 0
Received 0 Likes on 0 Posts
Default cracked flexplate!!

yes the sound your hearing is the flexplate! im doing a swap right now. ill post pics of the broken one tommarow! dont wait to long or youll be walking!! mine is broke where the spacer and the bolt holes are and out to the hole's in plate.. pretty easy swap to do just get a new plate before the tear down. youll have to remove the starter to get to the tourqe convertor bolts. mine made the same sounds yours did in the video. and it sounded like a woodpecker in a beer can!!! make sure you use some good penatrating oil on the exhaust bolts at manifolds!!!!!!!!!!!!!!!!!!!!!! 2005 2500 HD 2 wd

Last edited by phillip wigington; 10-05-2011 at 09:44 PM. Reason: added info
Old 10-06-2011, 10:30 AM
  #8  
On The Tree
Thread Starter
 
4.8silvy2004's Avatar
 
Join Date: Apr 2008
Location: florida
Posts: 148
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by BadAssChevy327
sounds like it to me.

and btw your truck doesn't sam like a 15.0 in that video. moves nice!
yea chris flywheel was cracked! wasnt that bad to swap out and i havent really ran my truck after street tune and gears so we will see why what u think it runs? plus the smaller tire to get the rpms up at my trap speed
Old 10-06-2011, 10:33 AM
  #9  
On The Tree
Thread Starter
 
4.8silvy2004's Avatar
 
Join Date: Apr 2008
Location: florida
Posts: 148
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by phillip wigington
yes the sound your hearing is the flexplate! im doing a swap right now. ill post pics of the broken one tommarow! dont wait to long or youll be walking!! mine is broke where the spacer and the bolt holes are and out to the hole's in plate.. pretty easy swap to do just get a new plate before the tear down. youll have to remove the starter to get to the tourqe convertor bolts. mine made the same sounds yours did in the video. and it sounded like a woodpecker in a beer can!!! make sure you use some good penatrating oil on the exhaust bolts at manifolds!!!!!!!!!!!!!!!!!!!!!! 2005 2500 HD 2 wd
thanks bro for ur help which i didnt have to touch my exhaust since i had my exhuast shop reroute so the pipes arent in the way..
which has anyone had a prob with the starter sticking a little seems like i need some shims i put one in and it helped but is it normal to have to use them on the newer motors?
Old 10-06-2011, 11:29 AM
  #10  
Registered User
 
phillip wigington's Avatar
 
Join Date: Aug 2011
Posts: 4
Likes: 0
Received 0 Likes on 0 Posts
Default pics of my flexplate!!!

heres a pic of my old flexplate the stock one with a 125k on it. video CRACKED FLYWHEEL??????????-flexplate-lisa-038.jpg the other picture of new one wont load?


Quick Reply: video CRACKED FLYWHEEL??????????



All times are GMT -5. The time now is 07:06 AM.